./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 21:10:11,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 21:10:11,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 21:10:11,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 21:10:11,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 21:10:11,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 21:10:11,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 21:10:11,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 21:10:11,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 21:10:11,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 21:10:11,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 21:10:11,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 21:10:11,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 21:10:11,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 21:10:11,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 21:10:11,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 21:10:11,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 21:10:11,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 21:10:11,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 21:10:11,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 21:10:11,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 21:10:11,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 21:10:11,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 21:10:11,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 21:10:11,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 21:10:11,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 21:10:11,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 21:10:11,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 21:10:11,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 21:10:11,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 21:10:11,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 21:10:11,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 21:10:11,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 21:10:11,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 21:10:11,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 21:10:11,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 21:10:11,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 21:10:11,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 21:10:11,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 21:10:11,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 21:10:11,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 21:10:11,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-02-20 21:10:11,726 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 21:10:11,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 21:10:11,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 21:10:11,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 21:10:11,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 21:10:11,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 21:10:11,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 21:10:11,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 21:10:11,727 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 21:10:11,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 21:10:11,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 21:10:11,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 21:10:11,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 21:10:11,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 21:10:11,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 21:10:11,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 21:10:11,729 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 21:10:11,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 21:10:11,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 21:10:11,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 21:10:11,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 21:10:11,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:10:11,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 21:10:11,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 21:10:11,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 21:10:11,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 21:10:11,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 21:10:11,730 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 21:10:11,730 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 21:10:11,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 21:10:11,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 [2022-02-20 21:10:11,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 21:10:11,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 21:10:11,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 21:10:11,912 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 21:10:11,912 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 21:10:11,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2022-02-20 21:10:11,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f164fa8cb/8bd064c5357c464f8453f783d65e05f9/FLAG64790343f [2022-02-20 21:10:12,497 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 21:10:12,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2022-02-20 21:10:12,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f164fa8cb/8bd064c5357c464f8453f783d65e05f9/FLAG64790343f [2022-02-20 21:10:12,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f164fa8cb/8bd064c5357c464f8453f783d65e05f9 [2022-02-20 21:10:12,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 21:10:12,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 21:10:12,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 21:10:12,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 21:10:13,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 21:10:13,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:10:12" (1/1) ... [2022-02-20 21:10:13,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579044cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:13, skipping insertion in model container [2022-02-20 21:10:13,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:10:12" (1/1) ... [2022-02-20 21:10:13,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 21:10:13,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 21:10:13,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2022-02-20 21:10:13,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2022-02-20 21:10:13,731 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,731 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,747 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,748 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,749 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,758 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,760 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,765 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,766 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,768 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,769 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,770 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,771 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:13,993 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-02-20 21:10:13,994 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-02-20 21:10:13,995 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-02-20 21:10:13,996 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-02-20 21:10:13,996 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-02-20 21:10:13,997 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-02-20 21:10:13,998 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-02-20 21:10:13,999 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-02-20 21:10:14,000 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-02-20 21:10:14,003 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-02-20 21:10:14,103 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-02-20 21:10:14,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:10:14,145 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 21:10:14,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2022-02-20 21:10:14,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2022-02-20 21:10:14,201 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,202 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,202 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,202 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,203 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,242 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,242 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,243 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,243 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,243 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,244 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,244 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,244 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:14,278 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-02-20 21:10:14,281 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-02-20 21:10:14,282 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-02-20 21:10:14,282 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-02-20 21:10:14,283 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-02-20 21:10:14,283 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-02-20 21:10:14,283 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-02-20 21:10:14,284 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-02-20 21:10:14,284 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-02-20 21:10:14,284 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-02-20 21:10:14,303 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-02-20 21:10:14,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:10:14,443 INFO L208 MainTranslator]: Completed translation [2022-02-20 21:10:14,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14 WrapperNode [2022-02-20 21:10:14,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 21:10:14,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 21:10:14,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 21:10:14,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 21:10:14,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14" (1/1) ... [2022-02-20 21:10:14,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14" (1/1) ... [2022-02-20 21:10:14,522 INFO L137 Inliner]: procedures = 679, calls = 1046, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 225 [2022-02-20 21:10:14,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 21:10:14,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 21:10:14,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 21:10:14,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 21:10:14,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14" (1/1) ... [2022-02-20 21:10:14,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14" (1/1) ... [2022-02-20 21:10:14,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14" (1/1) ... [2022-02-20 21:10:14,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14" (1/1) ... [2022-02-20 21:10:14,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14" (1/1) ... [2022-02-20 21:10:14,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14" (1/1) ... [2022-02-20 21:10:14,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14" (1/1) ... [2022-02-20 21:10:14,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 21:10:14,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 21:10:14,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 21:10:14,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 21:10:14,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14" (1/1) ... [2022-02-20 21:10:14,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:10:14,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:10:14,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 21:10:14,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 21:10:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-02-20 21:10:14,697 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-02-20 21:10:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_remove [2022-02-20 21:10:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_remove [2022-02-20 21:10:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 21:10:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 21:10:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-20 21:10:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-20 21:10:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2022-02-20 21:10:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2022-02-20 21:10:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 21:10:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2022-02-20 21:10:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2022-02-20 21:10:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 21:10:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 21:10:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 21:10:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 21:10:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2022-02-20 21:10:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2022-02-20 21:10:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-02-20 21:10:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-02-20 21:10:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 21:10:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 21:10:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 21:10:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 21:10:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 21:10:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-02-20 21:10:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-02-20 21:10:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2022-02-20 21:10:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2022-02-20 21:10:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 21:10:14,845 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 21:10:14,847 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 21:10:15,164 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 21:10:15,169 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 21:10:15,169 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-02-20 21:10:15,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:10:15 BoogieIcfgContainer [2022-02-20 21:10:15,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 21:10:15,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 21:10:15,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 21:10:15,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 21:10:15,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 09:10:12" (1/3) ... [2022-02-20 21:10:15,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e56deed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:10:15, skipping insertion in model container [2022-02-20 21:10:15,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:14" (2/3) ... [2022-02-20 21:10:15,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e56deed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:10:15, skipping insertion in model container [2022-02-20 21:10:15,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:10:15" (3/3) ... [2022-02-20 21:10:15,176 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_pop_back_harness.i [2022-02-20 21:10:15,179 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 21:10:15,179 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 21:10:15,206 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 21:10:15,210 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 21:10:15,210 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 21:10:15,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 89 states have (on average 1.303370786516854) internal successors, (116), 90 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-02-20 21:10:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-20 21:10:15,233 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:15,234 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:15,234 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:15,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:15,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1579343520, now seen corresponding path program 1 times [2022-02-20 21:10:15,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:15,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021385842] [2022-02-20 21:10:15,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:15,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,638 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} #res := #t~nondet13;havoc #t~nondet13; {140#true} is VALID [2022-02-20 21:10:15,638 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,639 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {140#true} {140#true} #284#return; {140#true} is VALID [2022-02-20 21:10:15,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-02-20 21:10:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,673 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,674 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,674 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,675 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {140#true} {140#true} #286#return; {140#true} is VALID [2022-02-20 21:10:15,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:10:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,710 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,710 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,710 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,711 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:15,711 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {140#true} is VALID [2022-02-20 21:10:15,712 INFO L272 TraceCheckUtils]: 1: Hoare triple {140#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:15,712 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,712 INFO L290 TraceCheckUtils]: 3: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,712 INFO L290 TraceCheckUtils]: 4: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,712 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:15,713 INFO L290 TraceCheckUtils]: 6: Hoare triple {140#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {140#true} is VALID [2022-02-20 21:10:15,713 INFO L290 TraceCheckUtils]: 7: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,713 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {140#true} {140#true} #288#return; {140#true} is VALID [2022-02-20 21:10:15,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:10:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,756 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,757 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,757 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,757 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {140#true} {140#true} #290#return; {140#true} is VALID [2022-02-20 21:10:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-02-20 21:10:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,782 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,782 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,783 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,783 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:15,783 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {140#true} is VALID [2022-02-20 21:10:15,794 INFO L272 TraceCheckUtils]: 1: Hoare triple {140#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:15,794 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,794 INFO L290 TraceCheckUtils]: 3: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,795 INFO L290 TraceCheckUtils]: 4: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,795 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:15,795 INFO L290 TraceCheckUtils]: 6: Hoare triple {140#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {140#true} is VALID [2022-02-20 21:10:15,795 INFO L290 TraceCheckUtils]: 7: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,795 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {140#true} {140#true} #292#return; {140#true} is VALID [2022-02-20 21:10:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 21:10:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,807 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,807 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,807 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,807 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {140#true} {140#true} #294#return; {140#true} is VALID [2022-02-20 21:10:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-02-20 21:10:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,842 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,844 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,844 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} #t~short301#1 := #t~short299#1; {140#true} is VALID [2022-02-20 21:10:15,845 INFO L290 TraceCheckUtils]: 3: Hoare triple {140#true} assume !#t~short301#1; {237#(not |aws_linked_list_is_valid_#t~short301#1|)} is VALID [2022-02-20 21:10:15,846 INFO L290 TraceCheckUtils]: 4: Hoare triple {237#(not |aws_linked_list_is_valid_#t~short301#1|)} #t~short303#1 := #t~short301#1; {238#(not |aws_linked_list_is_valid_#t~short303#1|)} is VALID [2022-02-20 21:10:15,846 INFO L290 TraceCheckUtils]: 5: Hoare triple {238#(not |aws_linked_list_is_valid_#t~short303#1|)} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {141#false} is VALID [2022-02-20 21:10:15,846 INFO L290 TraceCheckUtils]: 6: Hoare triple {141#false} #t~short305#1 := #t~short303#1; {141#false} is VALID [2022-02-20 21:10:15,846 INFO L290 TraceCheckUtils]: 7: Hoare triple {141#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {141#false} is VALID [2022-02-20 21:10:15,847 INFO L290 TraceCheckUtils]: 8: Hoare triple {141#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {141#false} is VALID [2022-02-20 21:10:15,847 INFO L290 TraceCheckUtils]: 9: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:15,847 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {141#false} {140#true} #296#return; {141#false} is VALID [2022-02-20 21:10:15,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 21:10:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,859 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,860 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,860 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,860 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {140#true} {141#false} #298#return; {141#false} is VALID [2022-02-20 21:10:15,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-02-20 21:10:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,879 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,879 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,880 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} #t~short301#1 := #t~short299#1; {140#true} is VALID [2022-02-20 21:10:15,880 INFO L290 TraceCheckUtils]: 3: Hoare triple {140#true} assume !#t~short301#1; {140#true} is VALID [2022-02-20 21:10:15,880 INFO L290 TraceCheckUtils]: 4: Hoare triple {140#true} #t~short303#1 := #t~short301#1; {140#true} is VALID [2022-02-20 21:10:15,880 INFO L290 TraceCheckUtils]: 5: Hoare triple {140#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,880 INFO L290 TraceCheckUtils]: 6: Hoare triple {140#true} #t~short305#1 := #t~short303#1; {140#true} is VALID [2022-02-20 21:10:15,880 INFO L290 TraceCheckUtils]: 7: Hoare triple {140#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {140#true} is VALID [2022-02-20 21:10:15,881 INFO L290 TraceCheckUtils]: 8: Hoare triple {140#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {140#true} is VALID [2022-02-20 21:10:15,881 INFO L290 TraceCheckUtils]: 9: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,881 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {140#true} {141#false} #300#return; {141#false} is VALID [2022-02-20 21:10:15,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-02-20 21:10:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,892 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,893 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,893 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,893 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {140#true} {141#false} #302#return; {141#false} is VALID [2022-02-20 21:10:15,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-02-20 21:10:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,915 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,916 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,916 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,916 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:15,916 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {140#true} is VALID [2022-02-20 21:10:15,917 INFO L272 TraceCheckUtils]: 1: Hoare triple {140#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:15,917 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,917 INFO L290 TraceCheckUtils]: 3: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,917 INFO L290 TraceCheckUtils]: 4: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,917 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:15,917 INFO L290 TraceCheckUtils]: 6: Hoare triple {140#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {140#true} is VALID [2022-02-20 21:10:15,918 INFO L290 TraceCheckUtils]: 7: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,918 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {140#true} {141#false} #304#return; {141#false} is VALID [2022-02-20 21:10:15,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-02-20 21:10:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,926 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,927 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,927 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,927 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {140#true} {141#false} #306#return; {141#false} is VALID [2022-02-20 21:10:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-02-20 21:10:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:15,949 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,950 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,950 INFO L290 TraceCheckUtils]: 2: Hoare triple {140#true} #t~short301#1 := #t~short299#1; {140#true} is VALID [2022-02-20 21:10:15,951 INFO L290 TraceCheckUtils]: 3: Hoare triple {140#true} assume !#t~short301#1; {140#true} is VALID [2022-02-20 21:10:15,951 INFO L290 TraceCheckUtils]: 4: Hoare triple {140#true} #t~short303#1 := #t~short301#1; {140#true} is VALID [2022-02-20 21:10:15,951 INFO L290 TraceCheckUtils]: 5: Hoare triple {140#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,952 INFO L290 TraceCheckUtils]: 6: Hoare triple {140#true} #t~short305#1 := #t~short303#1; {140#true} is VALID [2022-02-20 21:10:15,952 INFO L290 TraceCheckUtils]: 7: Hoare triple {140#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {140#true} is VALID [2022-02-20 21:10:15,952 INFO L290 TraceCheckUtils]: 8: Hoare triple {140#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {140#true} is VALID [2022-02-20 21:10:15,952 INFO L290 TraceCheckUtils]: 9: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,952 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {140#true} {141#false} #308#return; {141#false} is VALID [2022-02-20 21:10:15,955 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {140#true} is VALID [2022-02-20 21:10:15,955 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {140#true} is VALID [2022-02-20 21:10:15,957 INFO L272 TraceCheckUtils]: 2: Hoare triple {140#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {140#true} is VALID [2022-02-20 21:10:15,957 INFO L290 TraceCheckUtils]: 3: Hoare triple {140#true} #res := #t~nondet13;havoc #t~nondet13; {140#true} is VALID [2022-02-20 21:10:15,957 INFO L290 TraceCheckUtils]: 4: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,958 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {140#true} {140#true} #284#return; {140#true} is VALID [2022-02-20 21:10:15,958 INFO L290 TraceCheckUtils]: 6: Hoare triple {140#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {140#true} is VALID [2022-02-20 21:10:15,958 INFO L272 TraceCheckUtils]: 7: Hoare triple {140#true} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:15,959 INFO L290 TraceCheckUtils]: 8: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,959 INFO L290 TraceCheckUtils]: 9: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,960 INFO L290 TraceCheckUtils]: 10: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,961 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {140#true} {140#true} #286#return; {140#true} is VALID [2022-02-20 21:10:15,967 INFO L290 TraceCheckUtils]: 12: Hoare triple {140#true} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {140#true} is VALID [2022-02-20 21:10:15,967 INFO L290 TraceCheckUtils]: 13: Hoare triple {140#true} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {140#true} is VALID [2022-02-20 21:10:15,967 INFO L290 TraceCheckUtils]: 14: Hoare triple {140#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {140#true} is VALID [2022-02-20 21:10:15,967 INFO L290 TraceCheckUtils]: 15: Hoare triple {140#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {140#true} is VALID [2022-02-20 21:10:15,968 INFO L272 TraceCheckUtils]: 16: Hoare triple {140#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {140#true} is VALID [2022-02-20 21:10:15,968 INFO L290 TraceCheckUtils]: 17: Hoare triple {140#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {140#true} is VALID [2022-02-20 21:10:15,968 INFO L272 TraceCheckUtils]: 18: Hoare triple {140#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:15,968 INFO L290 TraceCheckUtils]: 19: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,968 INFO L290 TraceCheckUtils]: 20: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,968 INFO L290 TraceCheckUtils]: 21: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,968 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:15,969 INFO L290 TraceCheckUtils]: 23: Hoare triple {140#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {140#true} is VALID [2022-02-20 21:10:15,969 INFO L290 TraceCheckUtils]: 24: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,969 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {140#true} {140#true} #288#return; {140#true} is VALID [2022-02-20 21:10:15,969 INFO L272 TraceCheckUtils]: 26: Hoare triple {140#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:15,969 INFO L290 TraceCheckUtils]: 27: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,969 INFO L290 TraceCheckUtils]: 28: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,969 INFO L290 TraceCheckUtils]: 29: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,970 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {140#true} {140#true} #290#return; {140#true} is VALID [2022-02-20 21:10:15,970 INFO L290 TraceCheckUtils]: 31: Hoare triple {140#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {140#true} is VALID [2022-02-20 21:10:15,970 INFO L272 TraceCheckUtils]: 32: Hoare triple {140#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {140#true} is VALID [2022-02-20 21:10:15,970 INFO L290 TraceCheckUtils]: 33: Hoare triple {140#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {140#true} is VALID [2022-02-20 21:10:15,970 INFO L272 TraceCheckUtils]: 34: Hoare triple {140#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:15,970 INFO L290 TraceCheckUtils]: 35: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,971 INFO L290 TraceCheckUtils]: 36: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,971 INFO L290 TraceCheckUtils]: 37: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,971 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:15,971 INFO L290 TraceCheckUtils]: 39: Hoare triple {140#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {140#true} is VALID [2022-02-20 21:10:15,971 INFO L290 TraceCheckUtils]: 40: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,971 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {140#true} {140#true} #292#return; {140#true} is VALID [2022-02-20 21:10:15,972 INFO L272 TraceCheckUtils]: 42: Hoare triple {140#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:15,972 INFO L290 TraceCheckUtils]: 43: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,972 INFO L290 TraceCheckUtils]: 44: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,972 INFO L290 TraceCheckUtils]: 45: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,972 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {140#true} {140#true} #294#return; {140#true} is VALID [2022-02-20 21:10:15,972 INFO L290 TraceCheckUtils]: 47: Hoare triple {140#true} havoc aws_linked_list_pop_back_#t~ret395#1; {140#true} is VALID [2022-02-20 21:10:15,972 INFO L272 TraceCheckUtils]: 48: Hoare triple {140#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {140#true} is VALID [2022-02-20 21:10:15,973 INFO L290 TraceCheckUtils]: 49: Hoare triple {140#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,973 INFO L290 TraceCheckUtils]: 50: Hoare triple {140#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,973 INFO L290 TraceCheckUtils]: 51: Hoare triple {140#true} #t~short301#1 := #t~short299#1; {140#true} is VALID [2022-02-20 21:10:15,973 INFO L290 TraceCheckUtils]: 52: Hoare triple {140#true} assume !#t~short301#1; {237#(not |aws_linked_list_is_valid_#t~short301#1|)} is VALID [2022-02-20 21:10:15,974 INFO L290 TraceCheckUtils]: 53: Hoare triple {237#(not |aws_linked_list_is_valid_#t~short301#1|)} #t~short303#1 := #t~short301#1; {238#(not |aws_linked_list_is_valid_#t~short303#1|)} is VALID [2022-02-20 21:10:15,974 INFO L290 TraceCheckUtils]: 54: Hoare triple {238#(not |aws_linked_list_is_valid_#t~short303#1|)} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {141#false} is VALID [2022-02-20 21:10:15,974 INFO L290 TraceCheckUtils]: 55: Hoare triple {141#false} #t~short305#1 := #t~short303#1; {141#false} is VALID [2022-02-20 21:10:15,974 INFO L290 TraceCheckUtils]: 56: Hoare triple {141#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {141#false} is VALID [2022-02-20 21:10:15,975 INFO L290 TraceCheckUtils]: 57: Hoare triple {141#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {141#false} is VALID [2022-02-20 21:10:15,975 INFO L290 TraceCheckUtils]: 58: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:15,975 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {141#false} {140#true} #296#return; {141#false} is VALID [2022-02-20 21:10:15,975 INFO L272 TraceCheckUtils]: 60: Hoare triple {141#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {140#true} is VALID [2022-02-20 21:10:15,975 INFO L290 TraceCheckUtils]: 61: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,975 INFO L290 TraceCheckUtils]: 62: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,976 INFO L290 TraceCheckUtils]: 63: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,976 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {140#true} {141#false} #298#return; {141#false} is VALID [2022-02-20 21:10:15,976 INFO L290 TraceCheckUtils]: 65: Hoare triple {141#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {141#false} is VALID [2022-02-20 21:10:15,976 INFO L272 TraceCheckUtils]: 66: Hoare triple {141#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {140#true} is VALID [2022-02-20 21:10:15,976 INFO L290 TraceCheckUtils]: 67: Hoare triple {140#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,976 INFO L290 TraceCheckUtils]: 68: Hoare triple {140#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,976 INFO L290 TraceCheckUtils]: 69: Hoare triple {140#true} #t~short301#1 := #t~short299#1; {140#true} is VALID [2022-02-20 21:10:15,977 INFO L290 TraceCheckUtils]: 70: Hoare triple {140#true} assume !#t~short301#1; {140#true} is VALID [2022-02-20 21:10:15,977 INFO L290 TraceCheckUtils]: 71: Hoare triple {140#true} #t~short303#1 := #t~short301#1; {140#true} is VALID [2022-02-20 21:10:15,977 INFO L290 TraceCheckUtils]: 72: Hoare triple {140#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,977 INFO L290 TraceCheckUtils]: 73: Hoare triple {140#true} #t~short305#1 := #t~short303#1; {140#true} is VALID [2022-02-20 21:10:15,977 INFO L290 TraceCheckUtils]: 74: Hoare triple {140#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {140#true} is VALID [2022-02-20 21:10:15,977 INFO L290 TraceCheckUtils]: 75: Hoare triple {140#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {140#true} is VALID [2022-02-20 21:10:15,978 INFO L290 TraceCheckUtils]: 76: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,978 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {140#true} {141#false} #300#return; {141#false} is VALID [2022-02-20 21:10:15,978 INFO L272 TraceCheckUtils]: 78: Hoare triple {141#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {140#true} is VALID [2022-02-20 21:10:15,978 INFO L290 TraceCheckUtils]: 79: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,979 INFO L290 TraceCheckUtils]: 80: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,979 INFO L290 TraceCheckUtils]: 81: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,979 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {140#true} {141#false} #302#return; {141#false} is VALID [2022-02-20 21:10:15,979 INFO L290 TraceCheckUtils]: 83: Hoare triple {141#false} havoc aws_linked_list_back_#t~ret389#1; {141#false} is VALID [2022-02-20 21:10:15,980 INFO L272 TraceCheckUtils]: 84: Hoare triple {141#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {140#true} is VALID [2022-02-20 21:10:15,980 INFO L290 TraceCheckUtils]: 85: Hoare triple {140#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {140#true} is VALID [2022-02-20 21:10:15,981 INFO L272 TraceCheckUtils]: 86: Hoare triple {140#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:15,981 INFO L290 TraceCheckUtils]: 87: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,981 INFO L290 TraceCheckUtils]: 88: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,981 INFO L290 TraceCheckUtils]: 89: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,981 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:15,981 INFO L290 TraceCheckUtils]: 91: Hoare triple {140#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {140#true} is VALID [2022-02-20 21:10:15,982 INFO L290 TraceCheckUtils]: 92: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,982 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {140#true} {141#false} #304#return; {141#false} is VALID [2022-02-20 21:10:15,982 INFO L272 TraceCheckUtils]: 94: Hoare triple {141#false} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:15,982 INFO L290 TraceCheckUtils]: 95: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:15,982 INFO L290 TraceCheckUtils]: 96: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:15,985 INFO L290 TraceCheckUtils]: 97: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,985 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {140#true} {141#false} #306#return; {141#false} is VALID [2022-02-20 21:10:15,985 INFO L290 TraceCheckUtils]: 99: Hoare triple {141#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {141#false} is VALID [2022-02-20 21:10:15,985 INFO L272 TraceCheckUtils]: 100: Hoare triple {141#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {140#true} is VALID [2022-02-20 21:10:15,985 INFO L290 TraceCheckUtils]: 101: Hoare triple {140#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,985 INFO L290 TraceCheckUtils]: 102: Hoare triple {140#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,986 INFO L290 TraceCheckUtils]: 103: Hoare triple {140#true} #t~short301#1 := #t~short299#1; {140#true} is VALID [2022-02-20 21:10:15,986 INFO L290 TraceCheckUtils]: 104: Hoare triple {140#true} assume !#t~short301#1; {140#true} is VALID [2022-02-20 21:10:15,986 INFO L290 TraceCheckUtils]: 105: Hoare triple {140#true} #t~short303#1 := #t~short301#1; {140#true} is VALID [2022-02-20 21:10:15,986 INFO L290 TraceCheckUtils]: 106: Hoare triple {140#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:15,986 INFO L290 TraceCheckUtils]: 107: Hoare triple {140#true} #t~short305#1 := #t~short303#1; {140#true} is VALID [2022-02-20 21:10:15,986 INFO L290 TraceCheckUtils]: 108: Hoare triple {140#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {140#true} is VALID [2022-02-20 21:10:15,987 INFO L290 TraceCheckUtils]: 109: Hoare triple {140#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {140#true} is VALID [2022-02-20 21:10:15,987 INFO L290 TraceCheckUtils]: 110: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:15,987 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {140#true} {141#false} #308#return; {141#false} is VALID [2022-02-20 21:10:15,987 INFO L272 TraceCheckUtils]: 112: Hoare triple {141#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {141#false} is VALID [2022-02-20 21:10:15,987 INFO L290 TraceCheckUtils]: 113: Hoare triple {141#false} ~cond := #in~cond; {141#false} is VALID [2022-02-20 21:10:15,987 INFO L290 TraceCheckUtils]: 114: Hoare triple {141#false} assume 0 == ~cond % 256; {141#false} is VALID [2022-02-20 21:10:15,987 INFO L290 TraceCheckUtils]: 115: Hoare triple {141#false} assume !false; {141#false} is VALID [2022-02-20 21:10:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-02-20 21:10:15,989 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:15,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021385842] [2022-02-20 21:10:15,990 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021385842] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:10:15,990 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16395431] [2022-02-20 21:10:15,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:15,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:15,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:10:15,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 21:10:15,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 21:10:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:16,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 21:10:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:16,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:16,459 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {140#true} is VALID [2022-02-20 21:10:16,460 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {140#true} is VALID [2022-02-20 21:10:16,460 INFO L272 TraceCheckUtils]: 2: Hoare triple {140#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {140#true} is VALID [2022-02-20 21:10:16,460 INFO L290 TraceCheckUtils]: 3: Hoare triple {140#true} #res := #t~nondet13;havoc #t~nondet13; {140#true} is VALID [2022-02-20 21:10:16,460 INFO L290 TraceCheckUtils]: 4: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:16,460 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {140#true} {140#true} #284#return; {140#true} is VALID [2022-02-20 21:10:16,461 INFO L290 TraceCheckUtils]: 6: Hoare triple {140#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {140#true} is VALID [2022-02-20 21:10:16,461 INFO L272 TraceCheckUtils]: 7: Hoare triple {140#true} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:16,461 INFO L290 TraceCheckUtils]: 8: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:16,461 INFO L290 TraceCheckUtils]: 9: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:16,461 INFO L290 TraceCheckUtils]: 10: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:16,461 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {140#true} {140#true} #286#return; {140#true} is VALID [2022-02-20 21:10:16,461 INFO L290 TraceCheckUtils]: 12: Hoare triple {140#true} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {140#true} is VALID [2022-02-20 21:10:16,462 INFO L290 TraceCheckUtils]: 13: Hoare triple {140#true} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {140#true} is VALID [2022-02-20 21:10:16,462 INFO L290 TraceCheckUtils]: 14: Hoare triple {140#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {140#true} is VALID [2022-02-20 21:10:16,462 INFO L290 TraceCheckUtils]: 15: Hoare triple {140#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {140#true} is VALID [2022-02-20 21:10:16,462 INFO L272 TraceCheckUtils]: 16: Hoare triple {140#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {140#true} is VALID [2022-02-20 21:10:16,462 INFO L290 TraceCheckUtils]: 17: Hoare triple {140#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {140#true} is VALID [2022-02-20 21:10:16,462 INFO L272 TraceCheckUtils]: 18: Hoare triple {140#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:16,463 INFO L290 TraceCheckUtils]: 19: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:16,463 INFO L290 TraceCheckUtils]: 20: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:16,463 INFO L290 TraceCheckUtils]: 21: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:16,463 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:16,463 INFO L290 TraceCheckUtils]: 23: Hoare triple {140#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {140#true} is VALID [2022-02-20 21:10:16,463 INFO L290 TraceCheckUtils]: 24: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:16,464 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {140#true} {140#true} #288#return; {140#true} is VALID [2022-02-20 21:10:16,464 INFO L272 TraceCheckUtils]: 26: Hoare triple {140#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:16,464 INFO L290 TraceCheckUtils]: 27: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:16,464 INFO L290 TraceCheckUtils]: 28: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:16,464 INFO L290 TraceCheckUtils]: 29: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:16,464 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {140#true} {140#true} #290#return; {140#true} is VALID [2022-02-20 21:10:16,464 INFO L290 TraceCheckUtils]: 31: Hoare triple {140#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {140#true} is VALID [2022-02-20 21:10:16,465 INFO L272 TraceCheckUtils]: 32: Hoare triple {140#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {140#true} is VALID [2022-02-20 21:10:16,465 INFO L290 TraceCheckUtils]: 33: Hoare triple {140#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {140#true} is VALID [2022-02-20 21:10:16,465 INFO L272 TraceCheckUtils]: 34: Hoare triple {140#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:16,465 INFO L290 TraceCheckUtils]: 35: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:16,465 INFO L290 TraceCheckUtils]: 36: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:16,465 INFO L290 TraceCheckUtils]: 37: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:16,465 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:16,466 INFO L290 TraceCheckUtils]: 39: Hoare triple {140#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {140#true} is VALID [2022-02-20 21:10:16,466 INFO L290 TraceCheckUtils]: 40: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:16,466 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {140#true} {140#true} #292#return; {140#true} is VALID [2022-02-20 21:10:16,466 INFO L272 TraceCheckUtils]: 42: Hoare triple {140#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {140#true} is VALID [2022-02-20 21:10:16,466 INFO L290 TraceCheckUtils]: 43: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:16,466 INFO L290 TraceCheckUtils]: 44: Hoare triple {140#true} assume !(0 == ~cond % 256); {140#true} is VALID [2022-02-20 21:10:16,467 INFO L290 TraceCheckUtils]: 45: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:16,467 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {140#true} {140#true} #294#return; {140#true} is VALID [2022-02-20 21:10:16,467 INFO L290 TraceCheckUtils]: 47: Hoare triple {140#true} havoc aws_linked_list_pop_back_#t~ret395#1; {140#true} is VALID [2022-02-20 21:10:16,467 INFO L272 TraceCheckUtils]: 48: Hoare triple {140#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {140#true} is VALID [2022-02-20 21:10:16,467 INFO L290 TraceCheckUtils]: 49: Hoare triple {140#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:16,467 INFO L290 TraceCheckUtils]: 50: Hoare triple {140#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {140#true} is VALID [2022-02-20 21:10:16,467 INFO L290 TraceCheckUtils]: 51: Hoare triple {140#true} #t~short301#1 := #t~short299#1; {140#true} is VALID [2022-02-20 21:10:16,468 INFO L290 TraceCheckUtils]: 52: Hoare triple {140#true} assume !#t~short301#1; {237#(not |aws_linked_list_is_valid_#t~short301#1|)} is VALID [2022-02-20 21:10:16,468 INFO L290 TraceCheckUtils]: 53: Hoare triple {237#(not |aws_linked_list_is_valid_#t~short301#1|)} #t~short303#1 := #t~short301#1; {238#(not |aws_linked_list_is_valid_#t~short303#1|)} is VALID [2022-02-20 21:10:16,469 INFO L290 TraceCheckUtils]: 54: Hoare triple {238#(not |aws_linked_list_is_valid_#t~short303#1|)} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {141#false} is VALID [2022-02-20 21:10:16,469 INFO L290 TraceCheckUtils]: 55: Hoare triple {141#false} #t~short305#1 := #t~short303#1; {141#false} is VALID [2022-02-20 21:10:16,469 INFO L290 TraceCheckUtils]: 56: Hoare triple {141#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {141#false} is VALID [2022-02-20 21:10:16,469 INFO L290 TraceCheckUtils]: 57: Hoare triple {141#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {141#false} is VALID [2022-02-20 21:10:16,469 INFO L290 TraceCheckUtils]: 58: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:16,470 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {141#false} {140#true} #296#return; {141#false} is VALID [2022-02-20 21:10:16,470 INFO L272 TraceCheckUtils]: 60: Hoare triple {141#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {141#false} is VALID [2022-02-20 21:10:16,470 INFO L290 TraceCheckUtils]: 61: Hoare triple {141#false} ~cond := #in~cond; {141#false} is VALID [2022-02-20 21:10:16,470 INFO L290 TraceCheckUtils]: 62: Hoare triple {141#false} assume !(0 == ~cond % 256); {141#false} is VALID [2022-02-20 21:10:16,470 INFO L290 TraceCheckUtils]: 63: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:16,470 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {141#false} {141#false} #298#return; {141#false} is VALID [2022-02-20 21:10:16,470 INFO L290 TraceCheckUtils]: 65: Hoare triple {141#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {141#false} is VALID [2022-02-20 21:10:16,471 INFO L272 TraceCheckUtils]: 66: Hoare triple {141#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {141#false} is VALID [2022-02-20 21:10:16,471 INFO L290 TraceCheckUtils]: 67: Hoare triple {141#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {141#false} is VALID [2022-02-20 21:10:16,471 INFO L290 TraceCheckUtils]: 68: Hoare triple {141#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {141#false} is VALID [2022-02-20 21:10:16,471 INFO L290 TraceCheckUtils]: 69: Hoare triple {141#false} #t~short301#1 := #t~short299#1; {141#false} is VALID [2022-02-20 21:10:16,471 INFO L290 TraceCheckUtils]: 70: Hoare triple {141#false} assume !#t~short301#1; {141#false} is VALID [2022-02-20 21:10:16,471 INFO L290 TraceCheckUtils]: 71: Hoare triple {141#false} #t~short303#1 := #t~short301#1; {141#false} is VALID [2022-02-20 21:10:16,472 INFO L290 TraceCheckUtils]: 72: Hoare triple {141#false} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {141#false} is VALID [2022-02-20 21:10:16,472 INFO L290 TraceCheckUtils]: 73: Hoare triple {141#false} #t~short305#1 := #t~short303#1; {141#false} is VALID [2022-02-20 21:10:16,472 INFO L290 TraceCheckUtils]: 74: Hoare triple {141#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {141#false} is VALID [2022-02-20 21:10:16,472 INFO L290 TraceCheckUtils]: 75: Hoare triple {141#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {141#false} is VALID [2022-02-20 21:10:16,472 INFO L290 TraceCheckUtils]: 76: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:16,472 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {141#false} {141#false} #300#return; {141#false} is VALID [2022-02-20 21:10:16,472 INFO L272 TraceCheckUtils]: 78: Hoare triple {141#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {141#false} is VALID [2022-02-20 21:10:16,473 INFO L290 TraceCheckUtils]: 79: Hoare triple {141#false} ~cond := #in~cond; {141#false} is VALID [2022-02-20 21:10:16,473 INFO L290 TraceCheckUtils]: 80: Hoare triple {141#false} assume !(0 == ~cond % 256); {141#false} is VALID [2022-02-20 21:10:16,473 INFO L290 TraceCheckUtils]: 81: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:16,473 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {141#false} {141#false} #302#return; {141#false} is VALID [2022-02-20 21:10:16,473 INFO L290 TraceCheckUtils]: 83: Hoare triple {141#false} havoc aws_linked_list_back_#t~ret389#1; {141#false} is VALID [2022-02-20 21:10:16,473 INFO L272 TraceCheckUtils]: 84: Hoare triple {141#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {141#false} is VALID [2022-02-20 21:10:16,474 INFO L290 TraceCheckUtils]: 85: Hoare triple {141#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {141#false} is VALID [2022-02-20 21:10:16,474 INFO L272 TraceCheckUtils]: 86: Hoare triple {141#false} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {141#false} is VALID [2022-02-20 21:10:16,474 INFO L290 TraceCheckUtils]: 87: Hoare triple {141#false} ~cond := #in~cond; {141#false} is VALID [2022-02-20 21:10:16,474 INFO L290 TraceCheckUtils]: 88: Hoare triple {141#false} assume !(0 == ~cond % 256); {141#false} is VALID [2022-02-20 21:10:16,474 INFO L290 TraceCheckUtils]: 89: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:16,474 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {141#false} {141#false} #338#return; {141#false} is VALID [2022-02-20 21:10:16,474 INFO L290 TraceCheckUtils]: 91: Hoare triple {141#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {141#false} is VALID [2022-02-20 21:10:16,475 INFO L290 TraceCheckUtils]: 92: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:16,475 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {141#false} {141#false} #304#return; {141#false} is VALID [2022-02-20 21:10:16,475 INFO L272 TraceCheckUtils]: 94: Hoare triple {141#false} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {141#false} is VALID [2022-02-20 21:10:16,475 INFO L290 TraceCheckUtils]: 95: Hoare triple {141#false} ~cond := #in~cond; {141#false} is VALID [2022-02-20 21:10:16,475 INFO L290 TraceCheckUtils]: 96: Hoare triple {141#false} assume !(0 == ~cond % 256); {141#false} is VALID [2022-02-20 21:10:16,475 INFO L290 TraceCheckUtils]: 97: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:16,475 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {141#false} {141#false} #306#return; {141#false} is VALID [2022-02-20 21:10:16,476 INFO L290 TraceCheckUtils]: 99: Hoare triple {141#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {141#false} is VALID [2022-02-20 21:10:16,476 INFO L272 TraceCheckUtils]: 100: Hoare triple {141#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {141#false} is VALID [2022-02-20 21:10:16,476 INFO L290 TraceCheckUtils]: 101: Hoare triple {141#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {141#false} is VALID [2022-02-20 21:10:16,476 INFO L290 TraceCheckUtils]: 102: Hoare triple {141#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {141#false} is VALID [2022-02-20 21:10:16,476 INFO L290 TraceCheckUtils]: 103: Hoare triple {141#false} #t~short301#1 := #t~short299#1; {141#false} is VALID [2022-02-20 21:10:16,476 INFO L290 TraceCheckUtils]: 104: Hoare triple {141#false} assume !#t~short301#1; {141#false} is VALID [2022-02-20 21:10:16,477 INFO L290 TraceCheckUtils]: 105: Hoare triple {141#false} #t~short303#1 := #t~short301#1; {141#false} is VALID [2022-02-20 21:10:16,477 INFO L290 TraceCheckUtils]: 106: Hoare triple {141#false} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {141#false} is VALID [2022-02-20 21:10:16,477 INFO L290 TraceCheckUtils]: 107: Hoare triple {141#false} #t~short305#1 := #t~short303#1; {141#false} is VALID [2022-02-20 21:10:16,477 INFO L290 TraceCheckUtils]: 108: Hoare triple {141#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {141#false} is VALID [2022-02-20 21:10:16,477 INFO L290 TraceCheckUtils]: 109: Hoare triple {141#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {141#false} is VALID [2022-02-20 21:10:16,477 INFO L290 TraceCheckUtils]: 110: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:16,478 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {141#false} {141#false} #308#return; {141#false} is VALID [2022-02-20 21:10:16,478 INFO L272 TraceCheckUtils]: 112: Hoare triple {141#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {141#false} is VALID [2022-02-20 21:10:16,478 INFO L290 TraceCheckUtils]: 113: Hoare triple {141#false} ~cond := #in~cond; {141#false} is VALID [2022-02-20 21:10:16,478 INFO L290 TraceCheckUtils]: 114: Hoare triple {141#false} assume 0 == ~cond % 256; {141#false} is VALID [2022-02-20 21:10:16,478 INFO L290 TraceCheckUtils]: 115: Hoare triple {141#false} assume !false; {141#false} is VALID [2022-02-20 21:10:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-02-20 21:10:16,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:16,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16395431] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:16,479 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 21:10:16,479 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2022-02-20 21:10:16,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612191478] [2022-02-20 21:10:16,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:16,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2022-02-20 21:10:16,488 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:16,490 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:16,545 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:16,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 21:10:16,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:16,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 21:10:16,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 21:10:16,562 INFO L87 Difference]: Start difference. First operand has 137 states, 89 states have (on average 1.303370786516854) internal successors, (116), 90 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:16,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:16,915 INFO L93 Difference]: Finished difference Result 274 states and 414 transitions. [2022-02-20 21:10:16,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 21:10:16,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2022-02-20 21:10:16,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 414 transitions. [2022-02-20 21:10:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 414 transitions. [2022-02-20 21:10:16,940 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 414 transitions. [2022-02-20 21:10:17,274 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 414 edges. 414 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:17,284 INFO L225 Difference]: With dead ends: 274 [2022-02-20 21:10:17,284 INFO L226 Difference]: Without dead ends: 140 [2022-02-20 21:10:17,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 21:10:17,289 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 12 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:17,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 536 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:10:17,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-02-20 21:10:17,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 134. [2022-02-20 21:10:17,315 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:17,316 INFO L82 GeneralOperation]: Start isEquivalent. First operand 140 states. Second operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:17,317 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:17,318 INFO L87 Difference]: Start difference. First operand 140 states. Second operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:17,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:17,325 INFO L93 Difference]: Finished difference Result 140 states and 190 transitions. [2022-02-20 21:10:17,326 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2022-02-20 21:10:17,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:17,328 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:17,328 INFO L74 IsIncluded]: Start isIncluded. First operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand 140 states. [2022-02-20 21:10:17,329 INFO L87 Difference]: Start difference. First operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand 140 states. [2022-02-20 21:10:17,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:17,335 INFO L93 Difference]: Finished difference Result 140 states and 190 transitions. [2022-02-20 21:10:17,335 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2022-02-20 21:10:17,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:17,337 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:17,337 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:17,337 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 180 transitions. [2022-02-20 21:10:17,344 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 180 transitions. Word has length 116 [2022-02-20 21:10:17,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:17,345 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 180 transitions. [2022-02-20 21:10:17,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:17,345 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 180 transitions. [2022-02-20 21:10:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-20 21:10:17,347 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:17,347 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:17,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 21:10:17,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 21:10:17,564 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:17,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:17,565 INFO L85 PathProgramCache]: Analyzing trace with hash -183799078, now seen corresponding path program 1 times [2022-02-20 21:10:17,565 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:17,565 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686992543] [2022-02-20 21:10:17,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:17,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,677 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} #res := #t~nondet13;havoc #t~nondet13; {1441#true} is VALID [2022-02-20 21:10:17,677 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,677 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1441#true} {1441#true} #284#return; {1441#true} is VALID [2022-02-20 21:10:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-02-20 21:10:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,686 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,687 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,687 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,687 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1441#true} {1441#true} #286#return; {1441#true} is VALID [2022-02-20 21:10:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:10:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,703 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,704 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,704 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,704 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1441#true} {1441#true} #338#return; {1441#true} is VALID [2022-02-20 21:10:17,705 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1441#true} is VALID [2022-02-20 21:10:17,705 INFO L272 TraceCheckUtils]: 1: Hoare triple {1441#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:17,705 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,705 INFO L290 TraceCheckUtils]: 3: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,705 INFO L290 TraceCheckUtils]: 4: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,705 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1441#true} {1441#true} #338#return; {1441#true} is VALID [2022-02-20 21:10:17,706 INFO L290 TraceCheckUtils]: 6: Hoare triple {1441#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1441#true} is VALID [2022-02-20 21:10:17,706 INFO L290 TraceCheckUtils]: 7: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,706 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1441#true} {1441#true} #288#return; {1441#true} is VALID [2022-02-20 21:10:17,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:10:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,715 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,715 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,715 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,715 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1441#true} {1441#true} #290#return; {1441#true} is VALID [2022-02-20 21:10:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-02-20 21:10:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,735 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,736 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,736 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,736 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1441#true} {1441#true} #338#return; {1441#true} is VALID [2022-02-20 21:10:17,737 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1441#true} is VALID [2022-02-20 21:10:17,737 INFO L272 TraceCheckUtils]: 1: Hoare triple {1441#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:17,740 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,741 INFO L290 TraceCheckUtils]: 3: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,741 INFO L290 TraceCheckUtils]: 4: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,742 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1441#true} {1441#true} #338#return; {1441#true} is VALID [2022-02-20 21:10:17,744 INFO L290 TraceCheckUtils]: 6: Hoare triple {1441#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1441#true} is VALID [2022-02-20 21:10:17,744 INFO L290 TraceCheckUtils]: 7: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,745 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1441#true} {1441#true} #292#return; {1441#true} is VALID [2022-02-20 21:10:17,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 21:10:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,755 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,755 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,756 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,756 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1441#true} {1441#true} #294#return; {1441#true} is VALID [2022-02-20 21:10:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-02-20 21:10:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,777 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,777 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,778 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} #t~short301#1 := #t~short299#1; {1441#true} is VALID [2022-02-20 21:10:17,778 INFO L290 TraceCheckUtils]: 3: Hoare triple {1441#true} assume !#t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,778 INFO L290 TraceCheckUtils]: 4: Hoare triple {1441#true} #t~short303#1 := #t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,778 INFO L290 TraceCheckUtils]: 5: Hoare triple {1441#true} assume !#t~short303#1; {1538#(not |aws_linked_list_is_valid_#t~short303#1|)} is VALID [2022-02-20 21:10:17,779 INFO L290 TraceCheckUtils]: 6: Hoare triple {1538#(not |aws_linked_list_is_valid_#t~short303#1|)} #t~short305#1 := #t~short303#1; {1539#(not |aws_linked_list_is_valid_#t~short305#1|)} is VALID [2022-02-20 21:10:17,779 INFO L290 TraceCheckUtils]: 7: Hoare triple {1539#(not |aws_linked_list_is_valid_#t~short305#1|)} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1442#false} is VALID [2022-02-20 21:10:17,779 INFO L290 TraceCheckUtils]: 8: Hoare triple {1442#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1442#false} is VALID [2022-02-20 21:10:17,779 INFO L290 TraceCheckUtils]: 9: Hoare triple {1442#false} assume true; {1442#false} is VALID [2022-02-20 21:10:17,779 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1442#false} {1441#true} #296#return; {1442#false} is VALID [2022-02-20 21:10:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 21:10:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,790 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,790 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,790 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,790 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1441#true} {1442#false} #298#return; {1442#false} is VALID [2022-02-20 21:10:17,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-02-20 21:10:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,800 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,800 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,800 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} #t~short301#1 := #t~short299#1; {1441#true} is VALID [2022-02-20 21:10:17,801 INFO L290 TraceCheckUtils]: 3: Hoare triple {1441#true} assume !#t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,801 INFO L290 TraceCheckUtils]: 4: Hoare triple {1441#true} #t~short303#1 := #t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,801 INFO L290 TraceCheckUtils]: 5: Hoare triple {1441#true} assume !#t~short303#1; {1441#true} is VALID [2022-02-20 21:10:17,801 INFO L290 TraceCheckUtils]: 6: Hoare triple {1441#true} #t~short305#1 := #t~short303#1; {1441#true} is VALID [2022-02-20 21:10:17,801 INFO L290 TraceCheckUtils]: 7: Hoare triple {1441#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1441#true} is VALID [2022-02-20 21:10:17,801 INFO L290 TraceCheckUtils]: 8: Hoare triple {1441#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1441#true} is VALID [2022-02-20 21:10:17,801 INFO L290 TraceCheckUtils]: 9: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,802 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1441#true} {1442#false} #300#return; {1442#false} is VALID [2022-02-20 21:10:17,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-02-20 21:10:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,809 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,809 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,809 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,810 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1441#true} {1442#false} #302#return; {1442#false} is VALID [2022-02-20 21:10:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-02-20 21:10:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,824 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,824 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,824 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,824 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1441#true} {1441#true} #338#return; {1441#true} is VALID [2022-02-20 21:10:17,824 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1441#true} is VALID [2022-02-20 21:10:17,825 INFO L272 TraceCheckUtils]: 1: Hoare triple {1441#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:17,825 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,825 INFO L290 TraceCheckUtils]: 3: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,825 INFO L290 TraceCheckUtils]: 4: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,825 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1441#true} {1441#true} #338#return; {1441#true} is VALID [2022-02-20 21:10:17,825 INFO L290 TraceCheckUtils]: 6: Hoare triple {1441#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1441#true} is VALID [2022-02-20 21:10:17,825 INFO L290 TraceCheckUtils]: 7: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,826 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1441#true} {1442#false} #304#return; {1442#false} is VALID [2022-02-20 21:10:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-02-20 21:10:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,833 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,834 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,834 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,834 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1441#true} {1442#false} #306#return; {1442#false} is VALID [2022-02-20 21:10:17,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-02-20 21:10:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,843 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,844 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,844 INFO L290 TraceCheckUtils]: 2: Hoare triple {1441#true} #t~short301#1 := #t~short299#1; {1441#true} is VALID [2022-02-20 21:10:17,844 INFO L290 TraceCheckUtils]: 3: Hoare triple {1441#true} assume !#t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,844 INFO L290 TraceCheckUtils]: 4: Hoare triple {1441#true} #t~short303#1 := #t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,844 INFO L290 TraceCheckUtils]: 5: Hoare triple {1441#true} assume !#t~short303#1; {1441#true} is VALID [2022-02-20 21:10:17,844 INFO L290 TraceCheckUtils]: 6: Hoare triple {1441#true} #t~short305#1 := #t~short303#1; {1441#true} is VALID [2022-02-20 21:10:17,844 INFO L290 TraceCheckUtils]: 7: Hoare triple {1441#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1441#true} is VALID [2022-02-20 21:10:17,845 INFO L290 TraceCheckUtils]: 8: Hoare triple {1441#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1441#true} is VALID [2022-02-20 21:10:17,845 INFO L290 TraceCheckUtils]: 9: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,845 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1441#true} {1442#false} #308#return; {1442#false} is VALID [2022-02-20 21:10:17,845 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {1441#true} is VALID [2022-02-20 21:10:17,845 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {1441#true} is VALID [2022-02-20 21:10:17,845 INFO L272 TraceCheckUtils]: 2: Hoare triple {1441#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {1441#true} is VALID [2022-02-20 21:10:17,845 INFO L290 TraceCheckUtils]: 3: Hoare triple {1441#true} #res := #t~nondet13;havoc #t~nondet13; {1441#true} is VALID [2022-02-20 21:10:17,846 INFO L290 TraceCheckUtils]: 4: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,846 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1441#true} {1441#true} #284#return; {1441#true} is VALID [2022-02-20 21:10:17,846 INFO L290 TraceCheckUtils]: 6: Hoare triple {1441#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {1441#true} is VALID [2022-02-20 21:10:17,846 INFO L272 TraceCheckUtils]: 7: Hoare triple {1441#true} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:17,846 INFO L290 TraceCheckUtils]: 8: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,846 INFO L290 TraceCheckUtils]: 9: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,846 INFO L290 TraceCheckUtils]: 10: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,847 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {1441#true} {1441#true} #286#return; {1441#true} is VALID [2022-02-20 21:10:17,847 INFO L290 TraceCheckUtils]: 12: Hoare triple {1441#true} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {1441#true} is VALID [2022-02-20 21:10:17,847 INFO L290 TraceCheckUtils]: 13: Hoare triple {1441#true} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {1441#true} is VALID [2022-02-20 21:10:17,847 INFO L290 TraceCheckUtils]: 14: Hoare triple {1441#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {1441#true} is VALID [2022-02-20 21:10:17,847 INFO L290 TraceCheckUtils]: 15: Hoare triple {1441#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {1441#true} is VALID [2022-02-20 21:10:17,847 INFO L272 TraceCheckUtils]: 16: Hoare triple {1441#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {1441#true} is VALID [2022-02-20 21:10:17,847 INFO L290 TraceCheckUtils]: 17: Hoare triple {1441#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1441#true} is VALID [2022-02-20 21:10:17,847 INFO L272 TraceCheckUtils]: 18: Hoare triple {1441#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:17,848 INFO L290 TraceCheckUtils]: 19: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,848 INFO L290 TraceCheckUtils]: 20: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,848 INFO L290 TraceCheckUtils]: 21: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,848 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1441#true} {1441#true} #338#return; {1441#true} is VALID [2022-02-20 21:10:17,848 INFO L290 TraceCheckUtils]: 23: Hoare triple {1441#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1441#true} is VALID [2022-02-20 21:10:17,848 INFO L290 TraceCheckUtils]: 24: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,848 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {1441#true} {1441#true} #288#return; {1441#true} is VALID [2022-02-20 21:10:17,848 INFO L272 TraceCheckUtils]: 26: Hoare triple {1441#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:17,849 INFO L290 TraceCheckUtils]: 27: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,849 INFO L290 TraceCheckUtils]: 28: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,849 INFO L290 TraceCheckUtils]: 29: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,849 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1441#true} {1441#true} #290#return; {1441#true} is VALID [2022-02-20 21:10:17,849 INFO L290 TraceCheckUtils]: 31: Hoare triple {1441#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {1441#true} is VALID [2022-02-20 21:10:17,849 INFO L272 TraceCheckUtils]: 32: Hoare triple {1441#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {1441#true} is VALID [2022-02-20 21:10:17,849 INFO L290 TraceCheckUtils]: 33: Hoare triple {1441#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1441#true} is VALID [2022-02-20 21:10:17,850 INFO L272 TraceCheckUtils]: 34: Hoare triple {1441#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:17,850 INFO L290 TraceCheckUtils]: 35: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,850 INFO L290 TraceCheckUtils]: 36: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,850 INFO L290 TraceCheckUtils]: 37: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,850 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {1441#true} {1441#true} #338#return; {1441#true} is VALID [2022-02-20 21:10:17,850 INFO L290 TraceCheckUtils]: 39: Hoare triple {1441#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1441#true} is VALID [2022-02-20 21:10:17,850 INFO L290 TraceCheckUtils]: 40: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,851 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {1441#true} {1441#true} #292#return; {1441#true} is VALID [2022-02-20 21:10:17,851 INFO L272 TraceCheckUtils]: 42: Hoare triple {1441#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:17,851 INFO L290 TraceCheckUtils]: 43: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,851 INFO L290 TraceCheckUtils]: 44: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,851 INFO L290 TraceCheckUtils]: 45: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,851 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {1441#true} {1441#true} #294#return; {1441#true} is VALID [2022-02-20 21:10:17,851 INFO L290 TraceCheckUtils]: 47: Hoare triple {1441#true} havoc aws_linked_list_pop_back_#t~ret395#1; {1441#true} is VALID [2022-02-20 21:10:17,851 INFO L272 TraceCheckUtils]: 48: Hoare triple {1441#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {1441#true} is VALID [2022-02-20 21:10:17,852 INFO L290 TraceCheckUtils]: 49: Hoare triple {1441#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,852 INFO L290 TraceCheckUtils]: 50: Hoare triple {1441#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,852 INFO L290 TraceCheckUtils]: 51: Hoare triple {1441#true} #t~short301#1 := #t~short299#1; {1441#true} is VALID [2022-02-20 21:10:17,852 INFO L290 TraceCheckUtils]: 52: Hoare triple {1441#true} assume !#t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,852 INFO L290 TraceCheckUtils]: 53: Hoare triple {1441#true} #t~short303#1 := #t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,853 INFO L290 TraceCheckUtils]: 54: Hoare triple {1441#true} assume !#t~short303#1; {1538#(not |aws_linked_list_is_valid_#t~short303#1|)} is VALID [2022-02-20 21:10:17,853 INFO L290 TraceCheckUtils]: 55: Hoare triple {1538#(not |aws_linked_list_is_valid_#t~short303#1|)} #t~short305#1 := #t~short303#1; {1539#(not |aws_linked_list_is_valid_#t~short305#1|)} is VALID [2022-02-20 21:10:17,853 INFO L290 TraceCheckUtils]: 56: Hoare triple {1539#(not |aws_linked_list_is_valid_#t~short305#1|)} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1442#false} is VALID [2022-02-20 21:10:17,853 INFO L290 TraceCheckUtils]: 57: Hoare triple {1442#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1442#false} is VALID [2022-02-20 21:10:17,853 INFO L290 TraceCheckUtils]: 58: Hoare triple {1442#false} assume true; {1442#false} is VALID [2022-02-20 21:10:17,854 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {1442#false} {1441#true} #296#return; {1442#false} is VALID [2022-02-20 21:10:17,854 INFO L272 TraceCheckUtils]: 60: Hoare triple {1442#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {1441#true} is VALID [2022-02-20 21:10:17,854 INFO L290 TraceCheckUtils]: 61: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,854 INFO L290 TraceCheckUtils]: 62: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,854 INFO L290 TraceCheckUtils]: 63: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,854 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {1441#true} {1442#false} #298#return; {1442#false} is VALID [2022-02-20 21:10:17,854 INFO L290 TraceCheckUtils]: 65: Hoare triple {1442#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {1442#false} is VALID [2022-02-20 21:10:17,855 INFO L272 TraceCheckUtils]: 66: Hoare triple {1442#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {1441#true} is VALID [2022-02-20 21:10:17,855 INFO L290 TraceCheckUtils]: 67: Hoare triple {1441#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,855 INFO L290 TraceCheckUtils]: 68: Hoare triple {1441#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,855 INFO L290 TraceCheckUtils]: 69: Hoare triple {1441#true} #t~short301#1 := #t~short299#1; {1441#true} is VALID [2022-02-20 21:10:17,855 INFO L290 TraceCheckUtils]: 70: Hoare triple {1441#true} assume !#t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,855 INFO L290 TraceCheckUtils]: 71: Hoare triple {1441#true} #t~short303#1 := #t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,855 INFO L290 TraceCheckUtils]: 72: Hoare triple {1441#true} assume !#t~short303#1; {1441#true} is VALID [2022-02-20 21:10:17,855 INFO L290 TraceCheckUtils]: 73: Hoare triple {1441#true} #t~short305#1 := #t~short303#1; {1441#true} is VALID [2022-02-20 21:10:17,856 INFO L290 TraceCheckUtils]: 74: Hoare triple {1441#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1441#true} is VALID [2022-02-20 21:10:17,856 INFO L290 TraceCheckUtils]: 75: Hoare triple {1441#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1441#true} is VALID [2022-02-20 21:10:17,856 INFO L290 TraceCheckUtils]: 76: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,856 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {1441#true} {1442#false} #300#return; {1442#false} is VALID [2022-02-20 21:10:17,856 INFO L272 TraceCheckUtils]: 78: Hoare triple {1442#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {1441#true} is VALID [2022-02-20 21:10:17,856 INFO L290 TraceCheckUtils]: 79: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,856 INFO L290 TraceCheckUtils]: 80: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,856 INFO L290 TraceCheckUtils]: 81: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,857 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {1441#true} {1442#false} #302#return; {1442#false} is VALID [2022-02-20 21:10:17,857 INFO L290 TraceCheckUtils]: 83: Hoare triple {1442#false} havoc aws_linked_list_back_#t~ret389#1; {1442#false} is VALID [2022-02-20 21:10:17,857 INFO L272 TraceCheckUtils]: 84: Hoare triple {1442#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {1441#true} is VALID [2022-02-20 21:10:17,857 INFO L290 TraceCheckUtils]: 85: Hoare triple {1441#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1441#true} is VALID [2022-02-20 21:10:17,857 INFO L272 TraceCheckUtils]: 86: Hoare triple {1441#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:17,857 INFO L290 TraceCheckUtils]: 87: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,857 INFO L290 TraceCheckUtils]: 88: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,857 INFO L290 TraceCheckUtils]: 89: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,858 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {1441#true} {1441#true} #338#return; {1441#true} is VALID [2022-02-20 21:10:17,858 INFO L290 TraceCheckUtils]: 91: Hoare triple {1441#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1441#true} is VALID [2022-02-20 21:10:17,858 INFO L290 TraceCheckUtils]: 92: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,858 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {1441#true} {1442#false} #304#return; {1442#false} is VALID [2022-02-20 21:10:17,858 INFO L272 TraceCheckUtils]: 94: Hoare triple {1442#false} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:17,858 INFO L290 TraceCheckUtils]: 95: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:17,858 INFO L290 TraceCheckUtils]: 96: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:17,858 INFO L290 TraceCheckUtils]: 97: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,859 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {1441#true} {1442#false} #306#return; {1442#false} is VALID [2022-02-20 21:10:17,859 INFO L290 TraceCheckUtils]: 99: Hoare triple {1442#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {1442#false} is VALID [2022-02-20 21:10:17,859 INFO L272 TraceCheckUtils]: 100: Hoare triple {1442#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {1441#true} is VALID [2022-02-20 21:10:17,859 INFO L290 TraceCheckUtils]: 101: Hoare triple {1441#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,859 INFO L290 TraceCheckUtils]: 102: Hoare triple {1441#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:17,859 INFO L290 TraceCheckUtils]: 103: Hoare triple {1441#true} #t~short301#1 := #t~short299#1; {1441#true} is VALID [2022-02-20 21:10:17,859 INFO L290 TraceCheckUtils]: 104: Hoare triple {1441#true} assume !#t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,859 INFO L290 TraceCheckUtils]: 105: Hoare triple {1441#true} #t~short303#1 := #t~short301#1; {1441#true} is VALID [2022-02-20 21:10:17,859 INFO L290 TraceCheckUtils]: 106: Hoare triple {1441#true} assume !#t~short303#1; {1441#true} is VALID [2022-02-20 21:10:17,860 INFO L290 TraceCheckUtils]: 107: Hoare triple {1441#true} #t~short305#1 := #t~short303#1; {1441#true} is VALID [2022-02-20 21:10:17,860 INFO L290 TraceCheckUtils]: 108: Hoare triple {1441#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1441#true} is VALID [2022-02-20 21:10:17,860 INFO L290 TraceCheckUtils]: 109: Hoare triple {1441#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1441#true} is VALID [2022-02-20 21:10:17,860 INFO L290 TraceCheckUtils]: 110: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:17,860 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {1441#true} {1442#false} #308#return; {1442#false} is VALID [2022-02-20 21:10:17,860 INFO L272 TraceCheckUtils]: 112: Hoare triple {1442#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {1442#false} is VALID [2022-02-20 21:10:17,860 INFO L290 TraceCheckUtils]: 113: Hoare triple {1442#false} ~cond := #in~cond; {1442#false} is VALID [2022-02-20 21:10:17,860 INFO L290 TraceCheckUtils]: 114: Hoare triple {1442#false} assume 0 == ~cond % 256; {1442#false} is VALID [2022-02-20 21:10:17,861 INFO L290 TraceCheckUtils]: 115: Hoare triple {1442#false} assume !false; {1442#false} is VALID [2022-02-20 21:10:17,861 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-02-20 21:10:17,861 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:17,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686992543] [2022-02-20 21:10:17,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686992543] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:10:17,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717965809] [2022-02-20 21:10:17,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:17,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:17,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:10:17,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 21:10:17,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 21:10:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:17,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 21:10:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:18,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:18,198 INFO L290 TraceCheckUtils]: 0: Hoare triple {1441#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {1441#true} is VALID [2022-02-20 21:10:18,199 INFO L290 TraceCheckUtils]: 1: Hoare triple {1441#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {1441#true} is VALID [2022-02-20 21:10:18,199 INFO L272 TraceCheckUtils]: 2: Hoare triple {1441#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {1441#true} is VALID [2022-02-20 21:10:18,199 INFO L290 TraceCheckUtils]: 3: Hoare triple {1441#true} #res := #t~nondet13;havoc #t~nondet13; {1441#true} is VALID [2022-02-20 21:10:18,199 INFO L290 TraceCheckUtils]: 4: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:18,199 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1441#true} {1441#true} #284#return; {1441#true} is VALID [2022-02-20 21:10:18,200 INFO L290 TraceCheckUtils]: 6: Hoare triple {1441#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {1441#true} is VALID [2022-02-20 21:10:18,200 INFO L272 TraceCheckUtils]: 7: Hoare triple {1441#true} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:18,200 INFO L290 TraceCheckUtils]: 8: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:18,200 INFO L290 TraceCheckUtils]: 9: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:18,200 INFO L290 TraceCheckUtils]: 10: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:18,200 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {1441#true} {1441#true} #286#return; {1441#true} is VALID [2022-02-20 21:10:18,200 INFO L290 TraceCheckUtils]: 12: Hoare triple {1441#true} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {1441#true} is VALID [2022-02-20 21:10:18,200 INFO L290 TraceCheckUtils]: 13: Hoare triple {1441#true} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {1441#true} is VALID [2022-02-20 21:10:18,200 INFO L290 TraceCheckUtils]: 14: Hoare triple {1441#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {1441#true} is VALID [2022-02-20 21:10:18,201 INFO L290 TraceCheckUtils]: 15: Hoare triple {1441#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {1441#true} is VALID [2022-02-20 21:10:18,201 INFO L272 TraceCheckUtils]: 16: Hoare triple {1441#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {1441#true} is VALID [2022-02-20 21:10:18,201 INFO L290 TraceCheckUtils]: 17: Hoare triple {1441#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1441#true} is VALID [2022-02-20 21:10:18,201 INFO L272 TraceCheckUtils]: 18: Hoare triple {1441#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:18,201 INFO L290 TraceCheckUtils]: 19: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:18,201 INFO L290 TraceCheckUtils]: 20: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:18,201 INFO L290 TraceCheckUtils]: 21: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:18,201 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1441#true} {1441#true} #338#return; {1441#true} is VALID [2022-02-20 21:10:18,202 INFO L290 TraceCheckUtils]: 23: Hoare triple {1441#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1441#true} is VALID [2022-02-20 21:10:18,202 INFO L290 TraceCheckUtils]: 24: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:18,202 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {1441#true} {1441#true} #288#return; {1441#true} is VALID [2022-02-20 21:10:18,202 INFO L272 TraceCheckUtils]: 26: Hoare triple {1441#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:18,202 INFO L290 TraceCheckUtils]: 27: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:18,202 INFO L290 TraceCheckUtils]: 28: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:18,202 INFO L290 TraceCheckUtils]: 29: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:18,202 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1441#true} {1441#true} #290#return; {1441#true} is VALID [2022-02-20 21:10:18,203 INFO L290 TraceCheckUtils]: 31: Hoare triple {1441#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {1441#true} is VALID [2022-02-20 21:10:18,203 INFO L272 TraceCheckUtils]: 32: Hoare triple {1441#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {1441#true} is VALID [2022-02-20 21:10:18,203 INFO L290 TraceCheckUtils]: 33: Hoare triple {1441#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1441#true} is VALID [2022-02-20 21:10:18,203 INFO L272 TraceCheckUtils]: 34: Hoare triple {1441#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:18,203 INFO L290 TraceCheckUtils]: 35: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:18,203 INFO L290 TraceCheckUtils]: 36: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:18,203 INFO L290 TraceCheckUtils]: 37: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:18,203 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {1441#true} {1441#true} #338#return; {1441#true} is VALID [2022-02-20 21:10:18,204 INFO L290 TraceCheckUtils]: 39: Hoare triple {1441#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1441#true} is VALID [2022-02-20 21:10:18,204 INFO L290 TraceCheckUtils]: 40: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:18,204 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {1441#true} {1441#true} #292#return; {1441#true} is VALID [2022-02-20 21:10:18,204 INFO L272 TraceCheckUtils]: 42: Hoare triple {1441#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {1441#true} is VALID [2022-02-20 21:10:18,204 INFO L290 TraceCheckUtils]: 43: Hoare triple {1441#true} ~cond := #in~cond; {1441#true} is VALID [2022-02-20 21:10:18,204 INFO L290 TraceCheckUtils]: 44: Hoare triple {1441#true} assume !(0 == ~cond % 256); {1441#true} is VALID [2022-02-20 21:10:18,205 INFO L290 TraceCheckUtils]: 45: Hoare triple {1441#true} assume true; {1441#true} is VALID [2022-02-20 21:10:18,205 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {1441#true} {1441#true} #294#return; {1441#true} is VALID [2022-02-20 21:10:18,205 INFO L290 TraceCheckUtils]: 47: Hoare triple {1441#true} havoc aws_linked_list_pop_back_#t~ret395#1; {1441#true} is VALID [2022-02-20 21:10:18,205 INFO L272 TraceCheckUtils]: 48: Hoare triple {1441#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {1441#true} is VALID [2022-02-20 21:10:18,205 INFO L290 TraceCheckUtils]: 49: Hoare triple {1441#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:18,205 INFO L290 TraceCheckUtils]: 50: Hoare triple {1441#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1441#true} is VALID [2022-02-20 21:10:18,206 INFO L290 TraceCheckUtils]: 51: Hoare triple {1441#true} #t~short301#1 := #t~short299#1; {1441#true} is VALID [2022-02-20 21:10:18,206 INFO L290 TraceCheckUtils]: 52: Hoare triple {1441#true} assume !#t~short301#1; {1441#true} is VALID [2022-02-20 21:10:18,206 INFO L290 TraceCheckUtils]: 53: Hoare triple {1441#true} #t~short303#1 := #t~short301#1; {1441#true} is VALID [2022-02-20 21:10:18,206 INFO L290 TraceCheckUtils]: 54: Hoare triple {1441#true} assume !#t~short303#1; {1538#(not |aws_linked_list_is_valid_#t~short303#1|)} is VALID [2022-02-20 21:10:18,206 INFO L290 TraceCheckUtils]: 55: Hoare triple {1538#(not |aws_linked_list_is_valid_#t~short303#1|)} #t~short305#1 := #t~short303#1; {1539#(not |aws_linked_list_is_valid_#t~short305#1|)} is VALID [2022-02-20 21:10:18,207 INFO L290 TraceCheckUtils]: 56: Hoare triple {1539#(not |aws_linked_list_is_valid_#t~short305#1|)} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1442#false} is VALID [2022-02-20 21:10:18,207 INFO L290 TraceCheckUtils]: 57: Hoare triple {1442#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1442#false} is VALID [2022-02-20 21:10:18,207 INFO L290 TraceCheckUtils]: 58: Hoare triple {1442#false} assume true; {1442#false} is VALID [2022-02-20 21:10:18,207 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {1442#false} {1441#true} #296#return; {1442#false} is VALID [2022-02-20 21:10:18,207 INFO L272 TraceCheckUtils]: 60: Hoare triple {1442#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {1442#false} is VALID [2022-02-20 21:10:18,207 INFO L290 TraceCheckUtils]: 61: Hoare triple {1442#false} ~cond := #in~cond; {1442#false} is VALID [2022-02-20 21:10:18,208 INFO L290 TraceCheckUtils]: 62: Hoare triple {1442#false} assume !(0 == ~cond % 256); {1442#false} is VALID [2022-02-20 21:10:18,208 INFO L290 TraceCheckUtils]: 63: Hoare triple {1442#false} assume true; {1442#false} is VALID [2022-02-20 21:10:18,208 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {1442#false} {1442#false} #298#return; {1442#false} is VALID [2022-02-20 21:10:18,208 INFO L290 TraceCheckUtils]: 65: Hoare triple {1442#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {1442#false} is VALID [2022-02-20 21:10:18,208 INFO L272 TraceCheckUtils]: 66: Hoare triple {1442#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {1442#false} is VALID [2022-02-20 21:10:18,208 INFO L290 TraceCheckUtils]: 67: Hoare triple {1442#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1442#false} is VALID [2022-02-20 21:10:18,208 INFO L290 TraceCheckUtils]: 68: Hoare triple {1442#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1442#false} is VALID [2022-02-20 21:10:18,208 INFO L290 TraceCheckUtils]: 69: Hoare triple {1442#false} #t~short301#1 := #t~short299#1; {1442#false} is VALID [2022-02-20 21:10:18,209 INFO L290 TraceCheckUtils]: 70: Hoare triple {1442#false} assume !#t~short301#1; {1442#false} is VALID [2022-02-20 21:10:18,209 INFO L290 TraceCheckUtils]: 71: Hoare triple {1442#false} #t~short303#1 := #t~short301#1; {1442#false} is VALID [2022-02-20 21:10:18,209 INFO L290 TraceCheckUtils]: 72: Hoare triple {1442#false} assume !#t~short303#1; {1442#false} is VALID [2022-02-20 21:10:18,209 INFO L290 TraceCheckUtils]: 73: Hoare triple {1442#false} #t~short305#1 := #t~short303#1; {1442#false} is VALID [2022-02-20 21:10:18,209 INFO L290 TraceCheckUtils]: 74: Hoare triple {1442#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1442#false} is VALID [2022-02-20 21:10:18,209 INFO L290 TraceCheckUtils]: 75: Hoare triple {1442#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1442#false} is VALID [2022-02-20 21:10:18,209 INFO L290 TraceCheckUtils]: 76: Hoare triple {1442#false} assume true; {1442#false} is VALID [2022-02-20 21:10:18,209 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {1442#false} {1442#false} #300#return; {1442#false} is VALID [2022-02-20 21:10:18,210 INFO L272 TraceCheckUtils]: 78: Hoare triple {1442#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {1442#false} is VALID [2022-02-20 21:10:18,210 INFO L290 TraceCheckUtils]: 79: Hoare triple {1442#false} ~cond := #in~cond; {1442#false} is VALID [2022-02-20 21:10:18,210 INFO L290 TraceCheckUtils]: 80: Hoare triple {1442#false} assume !(0 == ~cond % 256); {1442#false} is VALID [2022-02-20 21:10:18,210 INFO L290 TraceCheckUtils]: 81: Hoare triple {1442#false} assume true; {1442#false} is VALID [2022-02-20 21:10:18,210 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {1442#false} {1442#false} #302#return; {1442#false} is VALID [2022-02-20 21:10:18,210 INFO L290 TraceCheckUtils]: 83: Hoare triple {1442#false} havoc aws_linked_list_back_#t~ret389#1; {1442#false} is VALID [2022-02-20 21:10:18,210 INFO L272 TraceCheckUtils]: 84: Hoare triple {1442#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {1442#false} is VALID [2022-02-20 21:10:18,210 INFO L290 TraceCheckUtils]: 85: Hoare triple {1442#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1442#false} is VALID [2022-02-20 21:10:18,211 INFO L272 TraceCheckUtils]: 86: Hoare triple {1442#false} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1442#false} is VALID [2022-02-20 21:10:18,211 INFO L290 TraceCheckUtils]: 87: Hoare triple {1442#false} ~cond := #in~cond; {1442#false} is VALID [2022-02-20 21:10:18,211 INFO L290 TraceCheckUtils]: 88: Hoare triple {1442#false} assume !(0 == ~cond % 256); {1442#false} is VALID [2022-02-20 21:10:18,211 INFO L290 TraceCheckUtils]: 89: Hoare triple {1442#false} assume true; {1442#false} is VALID [2022-02-20 21:10:18,211 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {1442#false} {1442#false} #338#return; {1442#false} is VALID [2022-02-20 21:10:18,211 INFO L290 TraceCheckUtils]: 91: Hoare triple {1442#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1442#false} is VALID [2022-02-20 21:10:18,211 INFO L290 TraceCheckUtils]: 92: Hoare triple {1442#false} assume true; {1442#false} is VALID [2022-02-20 21:10:18,211 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {1442#false} {1442#false} #304#return; {1442#false} is VALID [2022-02-20 21:10:18,212 INFO L272 TraceCheckUtils]: 94: Hoare triple {1442#false} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {1442#false} is VALID [2022-02-20 21:10:18,212 INFO L290 TraceCheckUtils]: 95: Hoare triple {1442#false} ~cond := #in~cond; {1442#false} is VALID [2022-02-20 21:10:18,212 INFO L290 TraceCheckUtils]: 96: Hoare triple {1442#false} assume !(0 == ~cond % 256); {1442#false} is VALID [2022-02-20 21:10:18,212 INFO L290 TraceCheckUtils]: 97: Hoare triple {1442#false} assume true; {1442#false} is VALID [2022-02-20 21:10:18,212 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {1442#false} {1442#false} #306#return; {1442#false} is VALID [2022-02-20 21:10:18,212 INFO L290 TraceCheckUtils]: 99: Hoare triple {1442#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {1442#false} is VALID [2022-02-20 21:10:18,212 INFO L272 TraceCheckUtils]: 100: Hoare triple {1442#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {1442#false} is VALID [2022-02-20 21:10:18,212 INFO L290 TraceCheckUtils]: 101: Hoare triple {1442#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1442#false} is VALID [2022-02-20 21:10:18,213 INFO L290 TraceCheckUtils]: 102: Hoare triple {1442#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1442#false} is VALID [2022-02-20 21:10:18,213 INFO L290 TraceCheckUtils]: 103: Hoare triple {1442#false} #t~short301#1 := #t~short299#1; {1442#false} is VALID [2022-02-20 21:10:18,213 INFO L290 TraceCheckUtils]: 104: Hoare triple {1442#false} assume !#t~short301#1; {1442#false} is VALID [2022-02-20 21:10:18,213 INFO L290 TraceCheckUtils]: 105: Hoare triple {1442#false} #t~short303#1 := #t~short301#1; {1442#false} is VALID [2022-02-20 21:10:18,213 INFO L290 TraceCheckUtils]: 106: Hoare triple {1442#false} assume !#t~short303#1; {1442#false} is VALID [2022-02-20 21:10:18,213 INFO L290 TraceCheckUtils]: 107: Hoare triple {1442#false} #t~short305#1 := #t~short303#1; {1442#false} is VALID [2022-02-20 21:10:18,213 INFO L290 TraceCheckUtils]: 108: Hoare triple {1442#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1442#false} is VALID [2022-02-20 21:10:18,213 INFO L290 TraceCheckUtils]: 109: Hoare triple {1442#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1442#false} is VALID [2022-02-20 21:10:18,214 INFO L290 TraceCheckUtils]: 110: Hoare triple {1442#false} assume true; {1442#false} is VALID [2022-02-20 21:10:18,214 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {1442#false} {1442#false} #308#return; {1442#false} is VALID [2022-02-20 21:10:18,214 INFO L272 TraceCheckUtils]: 112: Hoare triple {1442#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {1442#false} is VALID [2022-02-20 21:10:18,214 INFO L290 TraceCheckUtils]: 113: Hoare triple {1442#false} ~cond := #in~cond; {1442#false} is VALID [2022-02-20 21:10:18,214 INFO L290 TraceCheckUtils]: 114: Hoare triple {1442#false} assume 0 == ~cond % 256; {1442#false} is VALID [2022-02-20 21:10:18,214 INFO L290 TraceCheckUtils]: 115: Hoare triple {1442#false} assume !false; {1442#false} is VALID [2022-02-20 21:10:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-02-20 21:10:18,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:18,215 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717965809] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:18,215 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 21:10:18,215 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2022-02-20 21:10:18,215 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383844739] [2022-02-20 21:10:18,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:18,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2022-02-20 21:10:18,217 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:18,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:18,267 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:18,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 21:10:18,267 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:18,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 21:10:18,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 21:10:18,268 INFO L87 Difference]: Start difference. First operand 134 states and 180 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:18,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:18,527 INFO L93 Difference]: Finished difference Result 252 states and 345 transitions. [2022-02-20 21:10:18,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 21:10:18,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2022-02-20 21:10:18,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:18,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 341 transitions. [2022-02-20 21:10:18,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 341 transitions. [2022-02-20 21:10:18,538 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 341 transitions. [2022-02-20 21:10:18,781 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 341 edges. 341 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:18,785 INFO L225 Difference]: With dead ends: 252 [2022-02-20 21:10:18,786 INFO L226 Difference]: Without dead ends: 138 [2022-02-20 21:10:18,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 21:10:18,787 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 3 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:18,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 520 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:10:18,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-02-20 21:10:18,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 137. [2022-02-20 21:10:18,794 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:18,795 INFO L82 GeneralOperation]: Start isEquivalent. First operand 138 states. Second operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:18,795 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:18,796 INFO L87 Difference]: Start difference. First operand 138 states. Second operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:18,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:18,800 INFO L93 Difference]: Finished difference Result 138 states and 184 transitions. [2022-02-20 21:10:18,800 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 184 transitions. [2022-02-20 21:10:18,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:18,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:18,802 INFO L74 IsIncluded]: Start isIncluded. First operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand 138 states. [2022-02-20 21:10:18,802 INFO L87 Difference]: Start difference. First operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand 138 states. [2022-02-20 21:10:18,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:18,807 INFO L93 Difference]: Finished difference Result 138 states and 184 transitions. [2022-02-20 21:10:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 184 transitions. [2022-02-20 21:10:18,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:18,807 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:18,808 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:18,808 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:18,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 183 transitions. [2022-02-20 21:10:18,812 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 183 transitions. Word has length 116 [2022-02-20 21:10:18,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:18,813 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 183 transitions. [2022-02-20 21:10:18,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:18,813 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 183 transitions. [2022-02-20 21:10:18,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-20 21:10:18,814 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:18,814 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:18,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 21:10:19,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-02-20 21:10:19,032 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:19,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:19,033 INFO L85 PathProgramCache]: Analyzing trace with hash -543175276, now seen corresponding path program 1 times [2022-02-20 21:10:19,033 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:19,033 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537486416] [2022-02-20 21:10:19,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:19,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,169 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} #res := #t~nondet13;havoc #t~nondet13; {2711#true} is VALID [2022-02-20 21:10:19,169 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,170 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2711#true} {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} #284#return; {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} is VALID [2022-02-20 21:10:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-02-20 21:10:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,179 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,180 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,180 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,180 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2711#true} {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} #286#return; {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} is VALID [2022-02-20 21:10:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:10:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,196 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,197 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,197 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,197 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2711#true} {2711#true} #338#return; {2711#true} is VALID [2022-02-20 21:10:19,197 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2711#true} is VALID [2022-02-20 21:10:19,197 INFO L272 TraceCheckUtils]: 1: Hoare triple {2711#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {2711#true} is VALID [2022-02-20 21:10:19,197 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,197 INFO L290 TraceCheckUtils]: 3: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,197 INFO L290 TraceCheckUtils]: 4: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,198 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {2711#true} {2711#true} #338#return; {2711#true} is VALID [2022-02-20 21:10:19,198 INFO L290 TraceCheckUtils]: 6: Hoare triple {2711#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {2711#true} is VALID [2022-02-20 21:10:19,198 INFO L290 TraceCheckUtils]: 7: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,198 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {2711#true} {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} #288#return; {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} is VALID [2022-02-20 21:10:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:10:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,212 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,212 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,212 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,213 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2711#true} {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} #290#return; {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} is VALID [2022-02-20 21:10:19,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-02-20 21:10:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,228 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,229 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,229 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,229 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2711#true} {2711#true} #338#return; {2711#true} is VALID [2022-02-20 21:10:19,229 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2711#true} is VALID [2022-02-20 21:10:19,229 INFO L272 TraceCheckUtils]: 1: Hoare triple {2711#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {2711#true} is VALID [2022-02-20 21:10:19,229 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,229 INFO L290 TraceCheckUtils]: 3: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,229 INFO L290 TraceCheckUtils]: 4: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,241 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {2711#true} {2711#true} #338#return; {2711#true} is VALID [2022-02-20 21:10:19,243 INFO L290 TraceCheckUtils]: 6: Hoare triple {2711#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {2711#true} is VALID [2022-02-20 21:10:19,243 INFO L290 TraceCheckUtils]: 7: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,244 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {2711#true} {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} #292#return; {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} is VALID [2022-02-20 21:10:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 21:10:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,259 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,259 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,259 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,259 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2711#true} {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} #294#return; {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} is VALID [2022-02-20 21:10:19,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-02-20 21:10:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,318 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2812#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:19,318 INFO L290 TraceCheckUtils]: 1: Hoare triple {2812#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2813#(or (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short299#1|)} is VALID [2022-02-20 21:10:19,319 INFO L290 TraceCheckUtils]: 2: Hoare triple {2813#(or (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short299#1|)} #t~short301#1 := #t~short299#1; {2814#(or (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short301#1|)} is VALID [2022-02-20 21:10:19,319 INFO L290 TraceCheckUtils]: 3: Hoare triple {2814#(or (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short301#1|)} assume !#t~short301#1; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,320 INFO L290 TraceCheckUtils]: 4: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} #t~short303#1 := #t~short301#1; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,320 INFO L290 TraceCheckUtils]: 5: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} assume !#t~short303#1; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,320 INFO L290 TraceCheckUtils]: 6: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} #t~short305#1 := #t~short303#1; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,321 INFO L290 TraceCheckUtils]: 7: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} assume !#t~short305#1; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,321 INFO L290 TraceCheckUtils]: 8: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,321 INFO L290 TraceCheckUtils]: 9: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} assume true; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,322 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} #296#return; {2712#false} is VALID [2022-02-20 21:10:19,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 21:10:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,329 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,330 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,330 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,330 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2711#true} {2712#false} #298#return; {2712#false} is VALID [2022-02-20 21:10:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-02-20 21:10:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,338 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2711#true} is VALID [2022-02-20 21:10:19,338 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2711#true} is VALID [2022-02-20 21:10:19,338 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} #t~short301#1 := #t~short299#1; {2711#true} is VALID [2022-02-20 21:10:19,338 INFO L290 TraceCheckUtils]: 3: Hoare triple {2711#true} assume !#t~short301#1; {2711#true} is VALID [2022-02-20 21:10:19,338 INFO L290 TraceCheckUtils]: 4: Hoare triple {2711#true} #t~short303#1 := #t~short301#1; {2711#true} is VALID [2022-02-20 21:10:19,339 INFO L290 TraceCheckUtils]: 5: Hoare triple {2711#true} assume !#t~short303#1; {2711#true} is VALID [2022-02-20 21:10:19,339 INFO L290 TraceCheckUtils]: 6: Hoare triple {2711#true} #t~short305#1 := #t~short303#1; {2711#true} is VALID [2022-02-20 21:10:19,339 INFO L290 TraceCheckUtils]: 7: Hoare triple {2711#true} assume !#t~short305#1; {2711#true} is VALID [2022-02-20 21:10:19,339 INFO L290 TraceCheckUtils]: 8: Hoare triple {2711#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2711#true} is VALID [2022-02-20 21:10:19,339 INFO L290 TraceCheckUtils]: 9: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,339 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2711#true} {2712#false} #300#return; {2712#false} is VALID [2022-02-20 21:10:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-02-20 21:10:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,346 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,347 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,347 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,347 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2711#true} {2712#false} #302#return; {2712#false} is VALID [2022-02-20 21:10:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-02-20 21:10:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,363 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,363 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,363 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,363 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2711#true} {2711#true} #338#return; {2711#true} is VALID [2022-02-20 21:10:19,363 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2711#true} is VALID [2022-02-20 21:10:19,363 INFO L272 TraceCheckUtils]: 1: Hoare triple {2711#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {2711#true} is VALID [2022-02-20 21:10:19,364 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,364 INFO L290 TraceCheckUtils]: 3: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,364 INFO L290 TraceCheckUtils]: 4: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,364 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {2711#true} {2711#true} #338#return; {2711#true} is VALID [2022-02-20 21:10:19,364 INFO L290 TraceCheckUtils]: 6: Hoare triple {2711#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {2711#true} is VALID [2022-02-20 21:10:19,364 INFO L290 TraceCheckUtils]: 7: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,364 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {2711#true} {2712#false} #304#return; {2712#false} is VALID [2022-02-20 21:10:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-02-20 21:10:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,376 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,376 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,376 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,377 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2711#true} {2712#false} #306#return; {2712#false} is VALID [2022-02-20 21:10:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-02-20 21:10:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,387 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2711#true} is VALID [2022-02-20 21:10:19,387 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2711#true} is VALID [2022-02-20 21:10:19,388 INFO L290 TraceCheckUtils]: 2: Hoare triple {2711#true} #t~short301#1 := #t~short299#1; {2711#true} is VALID [2022-02-20 21:10:19,388 INFO L290 TraceCheckUtils]: 3: Hoare triple {2711#true} assume !#t~short301#1; {2711#true} is VALID [2022-02-20 21:10:19,388 INFO L290 TraceCheckUtils]: 4: Hoare triple {2711#true} #t~short303#1 := #t~short301#1; {2711#true} is VALID [2022-02-20 21:10:19,388 INFO L290 TraceCheckUtils]: 5: Hoare triple {2711#true} assume !#t~short303#1; {2711#true} is VALID [2022-02-20 21:10:19,388 INFO L290 TraceCheckUtils]: 6: Hoare triple {2711#true} #t~short305#1 := #t~short303#1; {2711#true} is VALID [2022-02-20 21:10:19,388 INFO L290 TraceCheckUtils]: 7: Hoare triple {2711#true} assume !#t~short305#1; {2711#true} is VALID [2022-02-20 21:10:19,388 INFO L290 TraceCheckUtils]: 8: Hoare triple {2711#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2711#true} is VALID [2022-02-20 21:10:19,388 INFO L290 TraceCheckUtils]: 9: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,389 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2711#true} {2712#false} #308#return; {2712#false} is VALID [2022-02-20 21:10:19,389 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {2711#true} is VALID [2022-02-20 21:10:19,389 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} is VALID [2022-02-20 21:10:19,390 INFO L272 TraceCheckUtils]: 2: Hoare triple {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {2711#true} is VALID [2022-02-20 21:10:19,390 INFO L290 TraceCheckUtils]: 3: Hoare triple {2711#true} #res := #t~nondet13;havoc #t~nondet13; {2711#true} is VALID [2022-02-20 21:10:19,390 INFO L290 TraceCheckUtils]: 4: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,390 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {2711#true} {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} #284#return; {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} is VALID [2022-02-20 21:10:19,391 INFO L290 TraceCheckUtils]: 6: Hoare triple {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} is VALID [2022-02-20 21:10:19,391 INFO L272 TraceCheckUtils]: 7: Hoare triple {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {2711#true} is VALID [2022-02-20 21:10:19,391 INFO L290 TraceCheckUtils]: 8: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,391 INFO L290 TraceCheckUtils]: 9: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,391 INFO L290 TraceCheckUtils]: 10: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,392 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {2711#true} {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} #286#return; {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} is VALID [2022-02-20 21:10:19,393 INFO L290 TraceCheckUtils]: 12: Hoare triple {2713#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {2721#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) (not (= (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|)) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} is VALID [2022-02-20 21:10:19,393 INFO L290 TraceCheckUtils]: 13: Hoare triple {2721#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) (not (= (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|)) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {2721#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) (not (= (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|)) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} is VALID [2022-02-20 21:10:19,394 INFO L290 TraceCheckUtils]: 14: Hoare triple {2721#(and (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) (not (= (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24) |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|)) (not (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| 0)))} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} is VALID [2022-02-20 21:10:19,395 INFO L290 TraceCheckUtils]: 15: Hoare triple {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} assume { :end_inline_ensure_linked_list_is_allocated } true; {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} is VALID [2022-02-20 21:10:19,395 INFO L272 TraceCheckUtils]: 16: Hoare triple {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {2711#true} is VALID [2022-02-20 21:10:19,395 INFO L290 TraceCheckUtils]: 17: Hoare triple {2711#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2711#true} is VALID [2022-02-20 21:10:19,395 INFO L272 TraceCheckUtils]: 18: Hoare triple {2711#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {2711#true} is VALID [2022-02-20 21:10:19,395 INFO L290 TraceCheckUtils]: 19: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,395 INFO L290 TraceCheckUtils]: 20: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,395 INFO L290 TraceCheckUtils]: 21: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,395 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {2711#true} {2711#true} #338#return; {2711#true} is VALID [2022-02-20 21:10:19,396 INFO L290 TraceCheckUtils]: 23: Hoare triple {2711#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {2711#true} is VALID [2022-02-20 21:10:19,396 INFO L290 TraceCheckUtils]: 24: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,396 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {2711#true} {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} #288#return; {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} is VALID [2022-02-20 21:10:19,396 INFO L272 TraceCheckUtils]: 26: Hoare triple {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {2711#true} is VALID [2022-02-20 21:10:19,396 INFO L290 TraceCheckUtils]: 27: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,397 INFO L290 TraceCheckUtils]: 28: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,397 INFO L290 TraceCheckUtils]: 29: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,397 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {2711#true} {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} #290#return; {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} is VALID [2022-02-20 21:10:19,398 INFO L290 TraceCheckUtils]: 31: Hoare triple {2722#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) 0))} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} is VALID [2022-02-20 21:10:19,398 INFO L272 TraceCheckUtils]: 32: Hoare triple {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {2711#true} is VALID [2022-02-20 21:10:19,398 INFO L290 TraceCheckUtils]: 33: Hoare triple {2711#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2711#true} is VALID [2022-02-20 21:10:19,398 INFO L272 TraceCheckUtils]: 34: Hoare triple {2711#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {2711#true} is VALID [2022-02-20 21:10:19,398 INFO L290 TraceCheckUtils]: 35: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,398 INFO L290 TraceCheckUtils]: 36: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,398 INFO L290 TraceCheckUtils]: 37: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,399 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {2711#true} {2711#true} #338#return; {2711#true} is VALID [2022-02-20 21:10:19,399 INFO L290 TraceCheckUtils]: 39: Hoare triple {2711#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {2711#true} is VALID [2022-02-20 21:10:19,399 INFO L290 TraceCheckUtils]: 40: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,399 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2711#true} {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} #292#return; {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} is VALID [2022-02-20 21:10:19,400 INFO L272 TraceCheckUtils]: 42: Hoare triple {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {2711#true} is VALID [2022-02-20 21:10:19,400 INFO L290 TraceCheckUtils]: 43: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,400 INFO L290 TraceCheckUtils]: 44: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,400 INFO L290 TraceCheckUtils]: 45: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,400 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {2711#true} {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} #294#return; {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} is VALID [2022-02-20 21:10:19,401 INFO L290 TraceCheckUtils]: 47: Hoare triple {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} havoc aws_linked_list_pop_back_#t~ret395#1; {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} is VALID [2022-02-20 21:10:19,401 INFO L272 TraceCheckUtils]: 48: Hoare triple {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {2711#true} is VALID [2022-02-20 21:10:19,401 INFO L290 TraceCheckUtils]: 49: Hoare triple {2711#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2812#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:19,402 INFO L290 TraceCheckUtils]: 50: Hoare triple {2812#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2813#(or (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short299#1|)} is VALID [2022-02-20 21:10:19,402 INFO L290 TraceCheckUtils]: 51: Hoare triple {2813#(or (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short299#1|)} #t~short301#1 := #t~short299#1; {2814#(or (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short301#1|)} is VALID [2022-02-20 21:10:19,402 INFO L290 TraceCheckUtils]: 52: Hoare triple {2814#(or (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short301#1|)} assume !#t~short301#1; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,403 INFO L290 TraceCheckUtils]: 53: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} #t~short303#1 := #t~short301#1; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,403 INFO L290 TraceCheckUtils]: 54: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} assume !#t~short303#1; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,403 INFO L290 TraceCheckUtils]: 55: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} #t~short305#1 := #t~short303#1; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,404 INFO L290 TraceCheckUtils]: 56: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} assume !#t~short305#1; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,404 INFO L290 TraceCheckUtils]: 57: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,404 INFO L290 TraceCheckUtils]: 58: Hoare triple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} assume true; {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} is VALID [2022-02-20 21:10:19,405 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {2815#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)} {2736#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))} #296#return; {2712#false} is VALID [2022-02-20 21:10:19,405 INFO L272 TraceCheckUtils]: 60: Hoare triple {2712#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {2711#true} is VALID [2022-02-20 21:10:19,405 INFO L290 TraceCheckUtils]: 61: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,405 INFO L290 TraceCheckUtils]: 62: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,405 INFO L290 TraceCheckUtils]: 63: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,406 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {2711#true} {2712#false} #298#return; {2712#false} is VALID [2022-02-20 21:10:19,406 INFO L290 TraceCheckUtils]: 65: Hoare triple {2712#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {2712#false} is VALID [2022-02-20 21:10:19,406 INFO L272 TraceCheckUtils]: 66: Hoare triple {2712#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {2711#true} is VALID [2022-02-20 21:10:19,406 INFO L290 TraceCheckUtils]: 67: Hoare triple {2711#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2711#true} is VALID [2022-02-20 21:10:19,406 INFO L290 TraceCheckUtils]: 68: Hoare triple {2711#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2711#true} is VALID [2022-02-20 21:10:19,406 INFO L290 TraceCheckUtils]: 69: Hoare triple {2711#true} #t~short301#1 := #t~short299#1; {2711#true} is VALID [2022-02-20 21:10:19,406 INFO L290 TraceCheckUtils]: 70: Hoare triple {2711#true} assume !#t~short301#1; {2711#true} is VALID [2022-02-20 21:10:19,406 INFO L290 TraceCheckUtils]: 71: Hoare triple {2711#true} #t~short303#1 := #t~short301#1; {2711#true} is VALID [2022-02-20 21:10:19,406 INFO L290 TraceCheckUtils]: 72: Hoare triple {2711#true} assume !#t~short303#1; {2711#true} is VALID [2022-02-20 21:10:19,407 INFO L290 TraceCheckUtils]: 73: Hoare triple {2711#true} #t~short305#1 := #t~short303#1; {2711#true} is VALID [2022-02-20 21:10:19,407 INFO L290 TraceCheckUtils]: 74: Hoare triple {2711#true} assume !#t~short305#1; {2711#true} is VALID [2022-02-20 21:10:19,407 INFO L290 TraceCheckUtils]: 75: Hoare triple {2711#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2711#true} is VALID [2022-02-20 21:10:19,407 INFO L290 TraceCheckUtils]: 76: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,407 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {2711#true} {2712#false} #300#return; {2712#false} is VALID [2022-02-20 21:10:19,407 INFO L272 TraceCheckUtils]: 78: Hoare triple {2712#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {2711#true} is VALID [2022-02-20 21:10:19,407 INFO L290 TraceCheckUtils]: 79: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,407 INFO L290 TraceCheckUtils]: 80: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,408 INFO L290 TraceCheckUtils]: 81: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,408 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {2711#true} {2712#false} #302#return; {2712#false} is VALID [2022-02-20 21:10:19,408 INFO L290 TraceCheckUtils]: 83: Hoare triple {2712#false} havoc aws_linked_list_back_#t~ret389#1; {2712#false} is VALID [2022-02-20 21:10:19,408 INFO L272 TraceCheckUtils]: 84: Hoare triple {2712#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {2711#true} is VALID [2022-02-20 21:10:19,408 INFO L290 TraceCheckUtils]: 85: Hoare triple {2711#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2711#true} is VALID [2022-02-20 21:10:19,408 INFO L272 TraceCheckUtils]: 86: Hoare triple {2711#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {2711#true} is VALID [2022-02-20 21:10:19,408 INFO L290 TraceCheckUtils]: 87: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,408 INFO L290 TraceCheckUtils]: 88: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,408 INFO L290 TraceCheckUtils]: 89: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,409 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {2711#true} {2711#true} #338#return; {2711#true} is VALID [2022-02-20 21:10:19,409 INFO L290 TraceCheckUtils]: 91: Hoare triple {2711#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {2711#true} is VALID [2022-02-20 21:10:19,409 INFO L290 TraceCheckUtils]: 92: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,409 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {2711#true} {2712#false} #304#return; {2712#false} is VALID [2022-02-20 21:10:19,409 INFO L272 TraceCheckUtils]: 94: Hoare triple {2712#false} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {2711#true} is VALID [2022-02-20 21:10:19,409 INFO L290 TraceCheckUtils]: 95: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:19,409 INFO L290 TraceCheckUtils]: 96: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:19,409 INFO L290 TraceCheckUtils]: 97: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,410 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {2711#true} {2712#false} #306#return; {2712#false} is VALID [2022-02-20 21:10:19,410 INFO L290 TraceCheckUtils]: 99: Hoare triple {2712#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {2712#false} is VALID [2022-02-20 21:10:19,410 INFO L272 TraceCheckUtils]: 100: Hoare triple {2712#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {2711#true} is VALID [2022-02-20 21:10:19,410 INFO L290 TraceCheckUtils]: 101: Hoare triple {2711#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2711#true} is VALID [2022-02-20 21:10:19,410 INFO L290 TraceCheckUtils]: 102: Hoare triple {2711#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2711#true} is VALID [2022-02-20 21:10:19,410 INFO L290 TraceCheckUtils]: 103: Hoare triple {2711#true} #t~short301#1 := #t~short299#1; {2711#true} is VALID [2022-02-20 21:10:19,410 INFO L290 TraceCheckUtils]: 104: Hoare triple {2711#true} assume !#t~short301#1; {2711#true} is VALID [2022-02-20 21:10:19,410 INFO L290 TraceCheckUtils]: 105: Hoare triple {2711#true} #t~short303#1 := #t~short301#1; {2711#true} is VALID [2022-02-20 21:10:19,410 INFO L290 TraceCheckUtils]: 106: Hoare triple {2711#true} assume !#t~short303#1; {2711#true} is VALID [2022-02-20 21:10:19,411 INFO L290 TraceCheckUtils]: 107: Hoare triple {2711#true} #t~short305#1 := #t~short303#1; {2711#true} is VALID [2022-02-20 21:10:19,411 INFO L290 TraceCheckUtils]: 108: Hoare triple {2711#true} assume !#t~short305#1; {2711#true} is VALID [2022-02-20 21:10:19,411 INFO L290 TraceCheckUtils]: 109: Hoare triple {2711#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2711#true} is VALID [2022-02-20 21:10:19,411 INFO L290 TraceCheckUtils]: 110: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:19,411 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {2711#true} {2712#false} #308#return; {2712#false} is VALID [2022-02-20 21:10:19,411 INFO L272 TraceCheckUtils]: 112: Hoare triple {2712#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {2712#false} is VALID [2022-02-20 21:10:19,411 INFO L290 TraceCheckUtils]: 113: Hoare triple {2712#false} ~cond := #in~cond; {2712#false} is VALID [2022-02-20 21:10:19,411 INFO L290 TraceCheckUtils]: 114: Hoare triple {2712#false} assume 0 == ~cond % 256; {2712#false} is VALID [2022-02-20 21:10:19,412 INFO L290 TraceCheckUtils]: 115: Hoare triple {2712#false} assume !false; {2712#false} is VALID [2022-02-20 21:10:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-02-20 21:10:19,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:19,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537486416] [2022-02-20 21:10:19,412 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537486416] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:10:19,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027860867] [2022-02-20 21:10:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:19,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:19,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:10:19,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 21:10:19,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 21:10:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-20 21:10:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:19,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:19,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:10:19,718 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-02-20 21:10:20,609 INFO L290 TraceCheckUtils]: 0: Hoare triple {2711#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {2711#true} is VALID [2022-02-20 21:10:20,610 INFO L290 TraceCheckUtils]: 1: Hoare triple {2711#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {2826#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:20,611 INFO L272 TraceCheckUtils]: 2: Hoare triple {2826#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {2711#true} is VALID [2022-02-20 21:10:20,611 INFO L290 TraceCheckUtils]: 3: Hoare triple {2711#true} #res := #t~nondet13;havoc #t~nondet13; {2711#true} is VALID [2022-02-20 21:10:20,611 INFO L290 TraceCheckUtils]: 4: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:20,611 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {2711#true} {2826#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #284#return; {2826#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:20,612 INFO L290 TraceCheckUtils]: 6: Hoare triple {2826#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {2826#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:20,612 INFO L272 TraceCheckUtils]: 7: Hoare triple {2826#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {2711#true} is VALID [2022-02-20 21:10:20,612 INFO L290 TraceCheckUtils]: 8: Hoare triple {2711#true} ~cond := #in~cond; {2711#true} is VALID [2022-02-20 21:10:20,612 INFO L290 TraceCheckUtils]: 9: Hoare triple {2711#true} assume !(0 == ~cond % 256); {2711#true} is VALID [2022-02-20 21:10:20,612 INFO L290 TraceCheckUtils]: 10: Hoare triple {2711#true} assume true; {2711#true} is VALID [2022-02-20 21:10:20,613 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {2711#true} {2826#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #286#return; {2826#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:20,614 INFO L290 TraceCheckUtils]: 12: Hoare triple {2826#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {2860#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))} is VALID [2022-02-20 21:10:20,614 INFO L290 TraceCheckUtils]: 13: Hoare triple {2860#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {2860#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))} is VALID [2022-02-20 21:10:20,615 INFO L290 TraceCheckUtils]: 14: Hoare triple {2860#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {2867#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= (+ |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 16) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)))} is VALID [2022-02-20 21:10:20,616 INFO L290 TraceCheckUtils]: 15: Hoare triple {2867#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= (+ |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 16) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)))} assume { :end_inline_ensure_linked_list_is_allocated } true; {2867#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= (+ |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 16) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)))} is VALID [2022-02-20 21:10:20,616 INFO L272 TraceCheckUtils]: 16: Hoare triple {2867#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= (+ |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 16) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)))} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,617 INFO L290 TraceCheckUtils]: 17: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,617 INFO L272 TraceCheckUtils]: 18: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,618 INFO L290 TraceCheckUtils]: 19: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} ~cond := #in~cond; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,618 INFO L290 TraceCheckUtils]: 20: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} assume !(0 == ~cond % 256); {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,618 INFO L290 TraceCheckUtils]: 21: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} assume true; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,619 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} #338#return; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,619 INFO L290 TraceCheckUtils]: 23: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,619 INFO L290 TraceCheckUtils]: 24: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} assume true; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,620 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} {2867#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= (+ |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 16) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)))} #288#return; {2867#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= (+ |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 16) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)))} is VALID [2022-02-20 21:10:20,621 INFO L272 TraceCheckUtils]: 26: Hoare triple {2867#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= (+ |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 16) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)))} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,621 INFO L290 TraceCheckUtils]: 27: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} ~cond := #in~cond; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,621 INFO L290 TraceCheckUtils]: 28: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} assume !(0 == ~cond % 256); {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,622 INFO L290 TraceCheckUtils]: 29: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} assume true; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,622 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} {2867#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= (+ |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 16) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)))} #290#return; {2867#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= (+ |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 16) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)))} is VALID [2022-02-20 21:10:20,623 INFO L290 TraceCheckUtils]: 31: Hoare triple {2867#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= (+ |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 16) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)))} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {2920#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) 0) 16) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} is VALID [2022-02-20 21:10:20,623 INFO L272 TraceCheckUtils]: 32: Hoare triple {2920#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) 0) 16) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,624 INFO L290 TraceCheckUtils]: 33: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,624 INFO L272 TraceCheckUtils]: 34: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,624 INFO L290 TraceCheckUtils]: 35: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} ~cond := #in~cond; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,625 INFO L290 TraceCheckUtils]: 36: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} assume !(0 == ~cond % 256); {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,625 INFO L290 TraceCheckUtils]: 37: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} assume true; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,625 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} #338#return; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,626 INFO L290 TraceCheckUtils]: 39: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,626 INFO L290 TraceCheckUtils]: 40: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} assume true; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,627 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} {2920#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) 0) 16) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} #292#return; {2920#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) 0) 16) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} is VALID [2022-02-20 21:10:20,627 INFO L272 TraceCheckUtils]: 42: Hoare triple {2920#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) 0) 16) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,628 INFO L290 TraceCheckUtils]: 43: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} ~cond := #in~cond; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,628 INFO L290 TraceCheckUtils]: 44: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} assume !(0 == ~cond % 256); {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,628 INFO L290 TraceCheckUtils]: 45: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} assume true; {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,629 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} {2920#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) 0) 16) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} #294#return; {2920#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) 0) 16) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} is VALID [2022-02-20 21:10:20,629 INFO L290 TraceCheckUtils]: 47: Hoare triple {2920#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) 0) 16) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} havoc aws_linked_list_pop_back_#t~ret395#1; {2920#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) 0) 16) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} is VALID [2022-02-20 21:10:20,630 INFO L272 TraceCheckUtils]: 48: Hoare triple {2920#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) 0) 16) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 21:10:20,630 INFO L290 TraceCheckUtils]: 49: Hoare triple {2874#(exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0)))} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2975#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:20,631 INFO L290 TraceCheckUtils]: 50: Hoare triple {2975#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2979#(and (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))) (or (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short299#1|))} is VALID [2022-02-20 21:10:20,632 INFO L290 TraceCheckUtils]: 51: Hoare triple {2979#(and (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))) (or (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short299#1|))} #t~short301#1 := #t~short299#1; {2983#(and (or (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short301#1|) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} is VALID [2022-02-20 21:10:20,632 INFO L290 TraceCheckUtils]: 52: Hoare triple {2983#(and (or (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) |aws_linked_list_is_valid_#t~short301#1|) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} assume !#t~short301#1; {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} is VALID [2022-02-20 21:10:20,633 INFO L290 TraceCheckUtils]: 53: Hoare triple {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} #t~short303#1 := #t~short301#1; {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} is VALID [2022-02-20 21:10:20,633 INFO L290 TraceCheckUtils]: 54: Hoare triple {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} assume !#t~short303#1; {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} is VALID [2022-02-20 21:10:20,634 INFO L290 TraceCheckUtils]: 55: Hoare triple {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} #t~short305#1 := #t~short303#1; {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} is VALID [2022-02-20 21:10:20,634 INFO L290 TraceCheckUtils]: 56: Hoare triple {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} assume !#t~short305#1; {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} is VALID [2022-02-20 21:10:20,635 INFO L290 TraceCheckUtils]: 57: Hoare triple {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} is VALID [2022-02-20 21:10:20,635 INFO L290 TraceCheckUtils]: 58: Hoare triple {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} assume true; {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} is VALID [2022-02-20 21:10:20,636 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {2987#(and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (= 16 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 0))))} {2920#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) 0) 16) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} #296#return; {2712#false} is VALID [2022-02-20 21:10:20,636 INFO L272 TraceCheckUtils]: 60: Hoare triple {2712#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {2712#false} is VALID [2022-02-20 21:10:20,636 INFO L290 TraceCheckUtils]: 61: Hoare triple {2712#false} ~cond := #in~cond; {2712#false} is VALID [2022-02-20 21:10:20,636 INFO L290 TraceCheckUtils]: 62: Hoare triple {2712#false} assume !(0 == ~cond % 256); {2712#false} is VALID [2022-02-20 21:10:20,637 INFO L290 TraceCheckUtils]: 63: Hoare triple {2712#false} assume true; {2712#false} is VALID [2022-02-20 21:10:20,637 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {2712#false} {2712#false} #298#return; {2712#false} is VALID [2022-02-20 21:10:20,637 INFO L290 TraceCheckUtils]: 65: Hoare triple {2712#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {2712#false} is VALID [2022-02-20 21:10:20,637 INFO L272 TraceCheckUtils]: 66: Hoare triple {2712#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {2712#false} is VALID [2022-02-20 21:10:20,637 INFO L290 TraceCheckUtils]: 67: Hoare triple {2712#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2712#false} is VALID [2022-02-20 21:10:20,637 INFO L290 TraceCheckUtils]: 68: Hoare triple {2712#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2712#false} is VALID [2022-02-20 21:10:20,637 INFO L290 TraceCheckUtils]: 69: Hoare triple {2712#false} #t~short301#1 := #t~short299#1; {2712#false} is VALID [2022-02-20 21:10:20,637 INFO L290 TraceCheckUtils]: 70: Hoare triple {2712#false} assume !#t~short301#1; {2712#false} is VALID [2022-02-20 21:10:20,638 INFO L290 TraceCheckUtils]: 71: Hoare triple {2712#false} #t~short303#1 := #t~short301#1; {2712#false} is VALID [2022-02-20 21:10:20,638 INFO L290 TraceCheckUtils]: 72: Hoare triple {2712#false} assume !#t~short303#1; {2712#false} is VALID [2022-02-20 21:10:20,638 INFO L290 TraceCheckUtils]: 73: Hoare triple {2712#false} #t~short305#1 := #t~short303#1; {2712#false} is VALID [2022-02-20 21:10:20,638 INFO L290 TraceCheckUtils]: 74: Hoare triple {2712#false} assume !#t~short305#1; {2712#false} is VALID [2022-02-20 21:10:20,638 INFO L290 TraceCheckUtils]: 75: Hoare triple {2712#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2712#false} is VALID [2022-02-20 21:10:20,638 INFO L290 TraceCheckUtils]: 76: Hoare triple {2712#false} assume true; {2712#false} is VALID [2022-02-20 21:10:20,638 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {2712#false} {2712#false} #300#return; {2712#false} is VALID [2022-02-20 21:10:20,638 INFO L272 TraceCheckUtils]: 78: Hoare triple {2712#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {2712#false} is VALID [2022-02-20 21:10:20,638 INFO L290 TraceCheckUtils]: 79: Hoare triple {2712#false} ~cond := #in~cond; {2712#false} is VALID [2022-02-20 21:10:20,639 INFO L290 TraceCheckUtils]: 80: Hoare triple {2712#false} assume !(0 == ~cond % 256); {2712#false} is VALID [2022-02-20 21:10:20,639 INFO L290 TraceCheckUtils]: 81: Hoare triple {2712#false} assume true; {2712#false} is VALID [2022-02-20 21:10:20,639 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {2712#false} {2712#false} #302#return; {2712#false} is VALID [2022-02-20 21:10:20,639 INFO L290 TraceCheckUtils]: 83: Hoare triple {2712#false} havoc aws_linked_list_back_#t~ret389#1; {2712#false} is VALID [2022-02-20 21:10:20,639 INFO L272 TraceCheckUtils]: 84: Hoare triple {2712#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {2712#false} is VALID [2022-02-20 21:10:20,639 INFO L290 TraceCheckUtils]: 85: Hoare triple {2712#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2712#false} is VALID [2022-02-20 21:10:20,639 INFO L272 TraceCheckUtils]: 86: Hoare triple {2712#false} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {2712#false} is VALID [2022-02-20 21:10:20,640 INFO L290 TraceCheckUtils]: 87: Hoare triple {2712#false} ~cond := #in~cond; {2712#false} is VALID [2022-02-20 21:10:20,641 INFO L290 TraceCheckUtils]: 88: Hoare triple {2712#false} assume !(0 == ~cond % 256); {2712#false} is VALID [2022-02-20 21:10:20,641 INFO L290 TraceCheckUtils]: 89: Hoare triple {2712#false} assume true; {2712#false} is VALID [2022-02-20 21:10:20,641 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {2712#false} {2712#false} #338#return; {2712#false} is VALID [2022-02-20 21:10:20,641 INFO L290 TraceCheckUtils]: 91: Hoare triple {2712#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {2712#false} is VALID [2022-02-20 21:10:20,641 INFO L290 TraceCheckUtils]: 92: Hoare triple {2712#false} assume true; {2712#false} is VALID [2022-02-20 21:10:20,641 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {2712#false} {2712#false} #304#return; {2712#false} is VALID [2022-02-20 21:10:20,641 INFO L272 TraceCheckUtils]: 94: Hoare triple {2712#false} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {2712#false} is VALID [2022-02-20 21:10:20,641 INFO L290 TraceCheckUtils]: 95: Hoare triple {2712#false} ~cond := #in~cond; {2712#false} is VALID [2022-02-20 21:10:20,642 INFO L290 TraceCheckUtils]: 96: Hoare triple {2712#false} assume !(0 == ~cond % 256); {2712#false} is VALID [2022-02-20 21:10:20,642 INFO L290 TraceCheckUtils]: 97: Hoare triple {2712#false} assume true; {2712#false} is VALID [2022-02-20 21:10:20,642 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {2712#false} {2712#false} #306#return; {2712#false} is VALID [2022-02-20 21:10:20,642 INFO L290 TraceCheckUtils]: 99: Hoare triple {2712#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {2712#false} is VALID [2022-02-20 21:10:20,642 INFO L272 TraceCheckUtils]: 100: Hoare triple {2712#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {2712#false} is VALID [2022-02-20 21:10:20,642 INFO L290 TraceCheckUtils]: 101: Hoare triple {2712#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2712#false} is VALID [2022-02-20 21:10:20,642 INFO L290 TraceCheckUtils]: 102: Hoare triple {2712#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2712#false} is VALID [2022-02-20 21:10:20,642 INFO L290 TraceCheckUtils]: 103: Hoare triple {2712#false} #t~short301#1 := #t~short299#1; {2712#false} is VALID [2022-02-20 21:10:20,643 INFO L290 TraceCheckUtils]: 104: Hoare triple {2712#false} assume !#t~short301#1; {2712#false} is VALID [2022-02-20 21:10:20,643 INFO L290 TraceCheckUtils]: 105: Hoare triple {2712#false} #t~short303#1 := #t~short301#1; {2712#false} is VALID [2022-02-20 21:10:20,643 INFO L290 TraceCheckUtils]: 106: Hoare triple {2712#false} assume !#t~short303#1; {2712#false} is VALID [2022-02-20 21:10:20,643 INFO L290 TraceCheckUtils]: 107: Hoare triple {2712#false} #t~short305#1 := #t~short303#1; {2712#false} is VALID [2022-02-20 21:10:20,643 INFO L290 TraceCheckUtils]: 108: Hoare triple {2712#false} assume !#t~short305#1; {2712#false} is VALID [2022-02-20 21:10:20,643 INFO L290 TraceCheckUtils]: 109: Hoare triple {2712#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2712#false} is VALID [2022-02-20 21:10:20,643 INFO L290 TraceCheckUtils]: 110: Hoare triple {2712#false} assume true; {2712#false} is VALID [2022-02-20 21:10:20,643 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {2712#false} {2712#false} #308#return; {2712#false} is VALID [2022-02-20 21:10:20,644 INFO L272 TraceCheckUtils]: 112: Hoare triple {2712#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {2712#false} is VALID [2022-02-20 21:10:20,644 INFO L290 TraceCheckUtils]: 113: Hoare triple {2712#false} ~cond := #in~cond; {2712#false} is VALID [2022-02-20 21:10:20,644 INFO L290 TraceCheckUtils]: 114: Hoare triple {2712#false} assume 0 == ~cond % 256; {2712#false} is VALID [2022-02-20 21:10:20,644 INFO L290 TraceCheckUtils]: 115: Hoare triple {2712#false} assume !false; {2712#false} is VALID [2022-02-20 21:10:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-02-20 21:10:20,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:20,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027860867] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:20,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 21:10:20,646 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2022-02-20 21:10:20,646 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651976830] [2022-02-20 21:10:20,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:20,647 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 116 [2022-02-20 21:10:20,647 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:20,648 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-02-20 21:10:20,708 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:20,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 21:10:20,709 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:20,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 21:10:20,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-02-20 21:10:20,710 INFO L87 Difference]: Start difference. First operand 137 states and 183 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-02-20 21:10:21,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:21,679 INFO L93 Difference]: Finished difference Result 327 states and 440 transitions. [2022-02-20 21:10:21,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 21:10:21,680 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 116 [2022-02-20 21:10:21,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-02-20 21:10:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 430 transitions. [2022-02-20 21:10:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-02-20 21:10:21,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 430 transitions. [2022-02-20 21:10:21,707 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 430 transitions. [2022-02-20 21:10:22,023 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 430 edges. 430 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:22,027 INFO L225 Difference]: With dead ends: 327 [2022-02-20 21:10:22,027 INFO L226 Difference]: Without dead ends: 203 [2022-02-20 21:10:22,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 134 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2022-02-20 21:10:22,029 INFO L933 BasicCegarLoop]: 240 mSDtfsCounter, 53 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 115 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:22,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 1080 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 115 Unchecked, 0.1s Time] [2022-02-20 21:10:22,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-02-20 21:10:22,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 169. [2022-02-20 21:10:22,037 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:22,038 INFO L82 GeneralOperation]: Start isEquivalent. First operand 203 states. Second operand has 169 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 114 states have internal predecessors, (136), 43 states have call successors, (43), 13 states have call predecessors, (43), 13 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) [2022-02-20 21:10:22,038 INFO L74 IsIncluded]: Start isIncluded. First operand 203 states. Second operand has 169 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 114 states have internal predecessors, (136), 43 states have call successors, (43), 13 states have call predecessors, (43), 13 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) [2022-02-20 21:10:22,039 INFO L87 Difference]: Start difference. First operand 203 states. Second operand has 169 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 114 states have internal predecessors, (136), 43 states have call successors, (43), 13 states have call predecessors, (43), 13 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) [2022-02-20 21:10:22,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:22,046 INFO L93 Difference]: Finished difference Result 203 states and 276 transitions. [2022-02-20 21:10:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 276 transitions. [2022-02-20 21:10:22,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:22,047 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:22,048 INFO L74 IsIncluded]: Start isIncluded. First operand has 169 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 114 states have internal predecessors, (136), 43 states have call successors, (43), 13 states have call predecessors, (43), 13 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) Second operand 203 states. [2022-02-20 21:10:22,048 INFO L87 Difference]: Start difference. First operand has 169 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 114 states have internal predecessors, (136), 43 states have call successors, (43), 13 states have call predecessors, (43), 13 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) Second operand 203 states. [2022-02-20 21:10:22,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:22,055 INFO L93 Difference]: Finished difference Result 203 states and 276 transitions. [2022-02-20 21:10:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 276 transitions. [2022-02-20 21:10:22,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:22,056 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:22,056 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:22,056 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 114 states have internal predecessors, (136), 43 states have call successors, (43), 13 states have call predecessors, (43), 13 states have return successors, (43), 41 states have call predecessors, (43), 42 states have call successors, (43) [2022-02-20 21:10:22,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 222 transitions. [2022-02-20 21:10:22,061 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 222 transitions. Word has length 116 [2022-02-20 21:10:22,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:22,061 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 222 transitions. [2022-02-20 21:10:22,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 5 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-02-20 21:10:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 222 transitions. [2022-02-20 21:10:22,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-20 21:10:22,063 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:22,063 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-20 21:10:22,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-20 21:10:22,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:22,280 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:22,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:22,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1369878566, now seen corresponding path program 1 times [2022-02-20 21:10:22,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:22,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379309782] [2022-02-20 21:10:22,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:22,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,341 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} #res := #t~nondet13;havoc #t~nondet13; {4275#true} is VALID [2022-02-20 21:10:22,341 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,341 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {4275#true} {4275#true} #284#return; {4275#true} is VALID [2022-02-20 21:10:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-02-20 21:10:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,347 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,347 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,347 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,347 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4275#true} {4275#true} #286#return; {4275#true} is VALID [2022-02-20 21:10:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:10:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,358 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,358 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,358 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,358 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:22,358 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4275#true} is VALID [2022-02-20 21:10:22,358 INFO L272 TraceCheckUtils]: 1: Hoare triple {4275#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:22,358 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,358 INFO L290 TraceCheckUtils]: 3: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,359 INFO L290 TraceCheckUtils]: 4: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,359 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:22,359 INFO L290 TraceCheckUtils]: 6: Hoare triple {4275#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4275#true} is VALID [2022-02-20 21:10:22,359 INFO L290 TraceCheckUtils]: 7: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,359 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {4275#true} {4275#true} #288#return; {4275#true} is VALID [2022-02-20 21:10:22,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:10:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,364 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,364 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,364 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,364 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4275#true} {4275#true} #290#return; {4275#true} is VALID [2022-02-20 21:10:22,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-02-20 21:10:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,377 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,378 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,378 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,378 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:22,378 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4275#true} is VALID [2022-02-20 21:10:22,378 INFO L272 TraceCheckUtils]: 1: Hoare triple {4275#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:22,378 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,378 INFO L290 TraceCheckUtils]: 3: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,378 INFO L290 TraceCheckUtils]: 4: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,378 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:22,379 INFO L290 TraceCheckUtils]: 6: Hoare triple {4275#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4275#true} is VALID [2022-02-20 21:10:22,379 INFO L290 TraceCheckUtils]: 7: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,379 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {4275#true} {4275#true} #292#return; {4275#true} is VALID [2022-02-20 21:10:22,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 21:10:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,384 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,384 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,384 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,384 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4275#true} {4275#true} #294#return; {4275#true} is VALID [2022-02-20 21:10:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-02-20 21:10:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,516 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4374#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:22,517 INFO L290 TraceCheckUtils]: 1: Hoare triple {4374#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4375#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short299#1|) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} is VALID [2022-02-20 21:10:22,518 INFO L290 TraceCheckUtils]: 2: Hoare triple {4375#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short299#1|) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} #t~short301#1 := #t~short299#1; {4376#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short301#1|))} is VALID [2022-02-20 21:10:22,518 INFO L290 TraceCheckUtils]: 3: Hoare triple {4376#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short301#1|))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} is VALID [2022-02-20 21:10:22,519 INFO L290 TraceCheckUtils]: 4: Hoare triple {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} #t~short303#1 := #t~short301#1; {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} is VALID [2022-02-20 21:10:22,520 INFO L290 TraceCheckUtils]: 5: Hoare triple {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} is VALID [2022-02-20 21:10:22,520 INFO L290 TraceCheckUtils]: 6: Hoare triple {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} #t~short305#1 := #t~short303#1; {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} is VALID [2022-02-20 21:10:22,521 INFO L290 TraceCheckUtils]: 7: Hoare triple {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:22,521 INFO L290 TraceCheckUtils]: 8: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:22,522 INFO L290 TraceCheckUtils]: 9: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume true; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:22,523 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} {4275#true} #296#return; {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 21:10:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,534 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,534 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,534 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,535 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4275#true} {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} #298#return; {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:22,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-02-20 21:10:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,594 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4374#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:22,594 INFO L290 TraceCheckUtils]: 1: Hoare triple {4374#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4379#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short299#1|)} is VALID [2022-02-20 21:10:22,595 INFO L290 TraceCheckUtils]: 2: Hoare triple {4379#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short299#1|)} #t~short301#1 := #t~short299#1; {4380#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short301#1|)} is VALID [2022-02-20 21:10:22,595 INFO L290 TraceCheckUtils]: 3: Hoare triple {4380#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short301#1|)} assume !#t~short301#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,596 INFO L290 TraceCheckUtils]: 4: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} #t~short303#1 := #t~short301#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,596 INFO L290 TraceCheckUtils]: 5: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short303#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,597 INFO L290 TraceCheckUtils]: 6: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} #t~short305#1 := #t~short303#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,597 INFO L290 TraceCheckUtils]: 7: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short305#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,597 INFO L290 TraceCheckUtils]: 8: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,598 INFO L290 TraceCheckUtils]: 9: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume true; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,599 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} #300#return; {4276#false} is VALID [2022-02-20 21:10:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-02-20 21:10:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,605 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,606 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,606 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,606 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4275#true} {4276#false} #302#return; {4276#false} is VALID [2022-02-20 21:10:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-02-20 21:10:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,617 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,618 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,618 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,618 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:22,618 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4275#true} is VALID [2022-02-20 21:10:22,618 INFO L272 TraceCheckUtils]: 1: Hoare triple {4275#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:22,618 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,618 INFO L290 TraceCheckUtils]: 3: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,618 INFO L290 TraceCheckUtils]: 4: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,619 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:22,619 INFO L290 TraceCheckUtils]: 6: Hoare triple {4275#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4275#true} is VALID [2022-02-20 21:10:22,619 INFO L290 TraceCheckUtils]: 7: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,619 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {4275#true} {4276#false} #304#return; {4276#false} is VALID [2022-02-20 21:10:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-02-20 21:10:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,624 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,624 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,624 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,625 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4275#true} {4276#false} #306#return; {4276#false} is VALID [2022-02-20 21:10:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-02-20 21:10:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,631 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4275#true} is VALID [2022-02-20 21:10:22,631 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4275#true} is VALID [2022-02-20 21:10:22,631 INFO L290 TraceCheckUtils]: 2: Hoare triple {4275#true} #t~short301#1 := #t~short299#1; {4275#true} is VALID [2022-02-20 21:10:22,631 INFO L290 TraceCheckUtils]: 3: Hoare triple {4275#true} assume !#t~short301#1; {4275#true} is VALID [2022-02-20 21:10:22,631 INFO L290 TraceCheckUtils]: 4: Hoare triple {4275#true} #t~short303#1 := #t~short301#1; {4275#true} is VALID [2022-02-20 21:10:22,631 INFO L290 TraceCheckUtils]: 5: Hoare triple {4275#true} assume !#t~short303#1; {4275#true} is VALID [2022-02-20 21:10:22,631 INFO L290 TraceCheckUtils]: 6: Hoare triple {4275#true} #t~short305#1 := #t~short303#1; {4275#true} is VALID [2022-02-20 21:10:22,631 INFO L290 TraceCheckUtils]: 7: Hoare triple {4275#true} assume !#t~short305#1; {4275#true} is VALID [2022-02-20 21:10:22,632 INFO L290 TraceCheckUtils]: 8: Hoare triple {4275#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4275#true} is VALID [2022-02-20 21:10:22,632 INFO L290 TraceCheckUtils]: 9: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,632 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4275#true} {4276#false} #308#return; {4276#false} is VALID [2022-02-20 21:10:22,632 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {4275#true} is VALID [2022-02-20 21:10:22,632 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {4275#true} is VALID [2022-02-20 21:10:22,632 INFO L272 TraceCheckUtils]: 2: Hoare triple {4275#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {4275#true} is VALID [2022-02-20 21:10:22,632 INFO L290 TraceCheckUtils]: 3: Hoare triple {4275#true} #res := #t~nondet13;havoc #t~nondet13; {4275#true} is VALID [2022-02-20 21:10:22,632 INFO L290 TraceCheckUtils]: 4: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,632 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {4275#true} {4275#true} #284#return; {4275#true} is VALID [2022-02-20 21:10:22,633 INFO L290 TraceCheckUtils]: 6: Hoare triple {4275#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {4275#true} is VALID [2022-02-20 21:10:22,633 INFO L272 TraceCheckUtils]: 7: Hoare triple {4275#true} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:22,633 INFO L290 TraceCheckUtils]: 8: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,633 INFO L290 TraceCheckUtils]: 9: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,633 INFO L290 TraceCheckUtils]: 10: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,633 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {4275#true} {4275#true} #286#return; {4275#true} is VALID [2022-02-20 21:10:22,633 INFO L290 TraceCheckUtils]: 12: Hoare triple {4275#true} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {4275#true} is VALID [2022-02-20 21:10:22,633 INFO L290 TraceCheckUtils]: 13: Hoare triple {4275#true} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {4275#true} is VALID [2022-02-20 21:10:22,633 INFO L290 TraceCheckUtils]: 14: Hoare triple {4275#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {4275#true} is VALID [2022-02-20 21:10:22,633 INFO L290 TraceCheckUtils]: 15: Hoare triple {4275#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {4275#true} is VALID [2022-02-20 21:10:22,634 INFO L272 TraceCheckUtils]: 16: Hoare triple {4275#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {4275#true} is VALID [2022-02-20 21:10:22,634 INFO L290 TraceCheckUtils]: 17: Hoare triple {4275#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4275#true} is VALID [2022-02-20 21:10:22,634 INFO L272 TraceCheckUtils]: 18: Hoare triple {4275#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:22,634 INFO L290 TraceCheckUtils]: 19: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,634 INFO L290 TraceCheckUtils]: 20: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,634 INFO L290 TraceCheckUtils]: 21: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,634 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:22,634 INFO L290 TraceCheckUtils]: 23: Hoare triple {4275#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4275#true} is VALID [2022-02-20 21:10:22,634 INFO L290 TraceCheckUtils]: 24: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,635 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {4275#true} {4275#true} #288#return; {4275#true} is VALID [2022-02-20 21:10:22,635 INFO L272 TraceCheckUtils]: 26: Hoare triple {4275#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:22,635 INFO L290 TraceCheckUtils]: 27: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,635 INFO L290 TraceCheckUtils]: 28: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,635 INFO L290 TraceCheckUtils]: 29: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,635 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {4275#true} {4275#true} #290#return; {4275#true} is VALID [2022-02-20 21:10:22,635 INFO L290 TraceCheckUtils]: 31: Hoare triple {4275#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {4275#true} is VALID [2022-02-20 21:10:22,635 INFO L272 TraceCheckUtils]: 32: Hoare triple {4275#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:22,635 INFO L290 TraceCheckUtils]: 33: Hoare triple {4275#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4275#true} is VALID [2022-02-20 21:10:22,635 INFO L272 TraceCheckUtils]: 34: Hoare triple {4275#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:22,636 INFO L290 TraceCheckUtils]: 35: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,636 INFO L290 TraceCheckUtils]: 36: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,636 INFO L290 TraceCheckUtils]: 37: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,636 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:22,636 INFO L290 TraceCheckUtils]: 39: Hoare triple {4275#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4275#true} is VALID [2022-02-20 21:10:22,636 INFO L290 TraceCheckUtils]: 40: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,636 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {4275#true} {4275#true} #292#return; {4275#true} is VALID [2022-02-20 21:10:22,636 INFO L272 TraceCheckUtils]: 42: Hoare triple {4275#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:22,636 INFO L290 TraceCheckUtils]: 43: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,637 INFO L290 TraceCheckUtils]: 44: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,637 INFO L290 TraceCheckUtils]: 45: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,637 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {4275#true} {4275#true} #294#return; {4275#true} is VALID [2022-02-20 21:10:22,637 INFO L290 TraceCheckUtils]: 47: Hoare triple {4275#true} havoc aws_linked_list_pop_back_#t~ret395#1; {4275#true} is VALID [2022-02-20 21:10:22,637 INFO L272 TraceCheckUtils]: 48: Hoare triple {4275#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:22,637 INFO L290 TraceCheckUtils]: 49: Hoare triple {4275#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4374#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:22,638 INFO L290 TraceCheckUtils]: 50: Hoare triple {4374#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4375#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short299#1|) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} is VALID [2022-02-20 21:10:22,639 INFO L290 TraceCheckUtils]: 51: Hoare triple {4375#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short299#1|) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} #t~short301#1 := #t~short299#1; {4376#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short301#1|))} is VALID [2022-02-20 21:10:22,639 INFO L290 TraceCheckUtils]: 52: Hoare triple {4376#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short301#1|))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} is VALID [2022-02-20 21:10:22,640 INFO L290 TraceCheckUtils]: 53: Hoare triple {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} #t~short303#1 := #t~short301#1; {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} is VALID [2022-02-20 21:10:22,640 INFO L290 TraceCheckUtils]: 54: Hoare triple {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} is VALID [2022-02-20 21:10:22,641 INFO L290 TraceCheckUtils]: 55: Hoare triple {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} #t~short305#1 := #t~short303#1; {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} is VALID [2022-02-20 21:10:22,642 INFO L290 TraceCheckUtils]: 56: Hoare triple {4377#(or (and (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)))} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:22,642 INFO L290 TraceCheckUtils]: 57: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:22,642 INFO L290 TraceCheckUtils]: 58: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume true; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:22,643 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} {4275#true} #296#return; {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:22,643 INFO L272 TraceCheckUtils]: 60: Hoare triple {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {4275#true} is VALID [2022-02-20 21:10:22,643 INFO L290 TraceCheckUtils]: 61: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,643 INFO L290 TraceCheckUtils]: 62: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,644 INFO L290 TraceCheckUtils]: 63: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,644 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {4275#true} {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} #298#return; {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:22,645 INFO L290 TraceCheckUtils]: 65: Hoare triple {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:22,645 INFO L272 TraceCheckUtils]: 66: Hoare triple {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:22,645 INFO L290 TraceCheckUtils]: 67: Hoare triple {4275#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4374#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:22,646 INFO L290 TraceCheckUtils]: 68: Hoare triple {4374#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4379#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short299#1|)} is VALID [2022-02-20 21:10:22,646 INFO L290 TraceCheckUtils]: 69: Hoare triple {4379#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short299#1|)} #t~short301#1 := #t~short299#1; {4380#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short301#1|)} is VALID [2022-02-20 21:10:22,646 INFO L290 TraceCheckUtils]: 70: Hoare triple {4380#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short301#1|)} assume !#t~short301#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,647 INFO L290 TraceCheckUtils]: 71: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} #t~short303#1 := #t~short301#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,647 INFO L290 TraceCheckUtils]: 72: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short303#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,647 INFO L290 TraceCheckUtils]: 73: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} #t~short305#1 := #t~short303#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,648 INFO L290 TraceCheckUtils]: 74: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short305#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,648 INFO L290 TraceCheckUtils]: 75: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,649 INFO L290 TraceCheckUtils]: 76: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume true; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:22,649 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} #300#return; {4276#false} is VALID [2022-02-20 21:10:22,649 INFO L272 TraceCheckUtils]: 78: Hoare triple {4276#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {4275#true} is VALID [2022-02-20 21:10:22,650 INFO L290 TraceCheckUtils]: 79: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,650 INFO L290 TraceCheckUtils]: 80: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,650 INFO L290 TraceCheckUtils]: 81: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,650 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {4275#true} {4276#false} #302#return; {4276#false} is VALID [2022-02-20 21:10:22,650 INFO L290 TraceCheckUtils]: 83: Hoare triple {4276#false} havoc aws_linked_list_back_#t~ret389#1; {4276#false} is VALID [2022-02-20 21:10:22,650 INFO L272 TraceCheckUtils]: 84: Hoare triple {4276#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:22,650 INFO L290 TraceCheckUtils]: 85: Hoare triple {4275#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4275#true} is VALID [2022-02-20 21:10:22,650 INFO L272 TraceCheckUtils]: 86: Hoare triple {4275#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:22,650 INFO L290 TraceCheckUtils]: 87: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,651 INFO L290 TraceCheckUtils]: 88: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,651 INFO L290 TraceCheckUtils]: 89: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,651 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:22,651 INFO L290 TraceCheckUtils]: 91: Hoare triple {4275#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4275#true} is VALID [2022-02-20 21:10:22,651 INFO L290 TraceCheckUtils]: 92: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,651 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {4275#true} {4276#false} #304#return; {4276#false} is VALID [2022-02-20 21:10:22,651 INFO L272 TraceCheckUtils]: 94: Hoare triple {4276#false} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:22,651 INFO L290 TraceCheckUtils]: 95: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:22,651 INFO L290 TraceCheckUtils]: 96: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:22,651 INFO L290 TraceCheckUtils]: 97: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,652 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {4275#true} {4276#false} #306#return; {4276#false} is VALID [2022-02-20 21:10:22,652 INFO L290 TraceCheckUtils]: 99: Hoare triple {4276#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {4276#false} is VALID [2022-02-20 21:10:22,652 INFO L272 TraceCheckUtils]: 100: Hoare triple {4276#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:22,652 INFO L290 TraceCheckUtils]: 101: Hoare triple {4275#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4275#true} is VALID [2022-02-20 21:10:22,652 INFO L290 TraceCheckUtils]: 102: Hoare triple {4275#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4275#true} is VALID [2022-02-20 21:10:22,652 INFO L290 TraceCheckUtils]: 103: Hoare triple {4275#true} #t~short301#1 := #t~short299#1; {4275#true} is VALID [2022-02-20 21:10:22,652 INFO L290 TraceCheckUtils]: 104: Hoare triple {4275#true} assume !#t~short301#1; {4275#true} is VALID [2022-02-20 21:10:22,652 INFO L290 TraceCheckUtils]: 105: Hoare triple {4275#true} #t~short303#1 := #t~short301#1; {4275#true} is VALID [2022-02-20 21:10:22,652 INFO L290 TraceCheckUtils]: 106: Hoare triple {4275#true} assume !#t~short303#1; {4275#true} is VALID [2022-02-20 21:10:22,652 INFO L290 TraceCheckUtils]: 107: Hoare triple {4275#true} #t~short305#1 := #t~short303#1; {4275#true} is VALID [2022-02-20 21:10:22,653 INFO L290 TraceCheckUtils]: 108: Hoare triple {4275#true} assume !#t~short305#1; {4275#true} is VALID [2022-02-20 21:10:22,653 INFO L290 TraceCheckUtils]: 109: Hoare triple {4275#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4275#true} is VALID [2022-02-20 21:10:22,653 INFO L290 TraceCheckUtils]: 110: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:22,653 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {4275#true} {4276#false} #308#return; {4276#false} is VALID [2022-02-20 21:10:22,653 INFO L272 TraceCheckUtils]: 112: Hoare triple {4276#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {4276#false} is VALID [2022-02-20 21:10:22,653 INFO L290 TraceCheckUtils]: 113: Hoare triple {4276#false} ~cond := #in~cond; {4276#false} is VALID [2022-02-20 21:10:22,653 INFO L290 TraceCheckUtils]: 114: Hoare triple {4276#false} assume 0 == ~cond % 256; {4276#false} is VALID [2022-02-20 21:10:22,653 INFO L290 TraceCheckUtils]: 115: Hoare triple {4276#false} assume !false; {4276#false} is VALID [2022-02-20 21:10:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-02-20 21:10:22,654 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:22,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379309782] [2022-02-20 21:10:22,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379309782] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:10:22,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779221954] [2022-02-20 21:10:22,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:22,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:22,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:10:22,668 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 21:10:22,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 21:10:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 54 conjunts are in the unsatisfiable core [2022-02-20 21:10:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:22,888 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 21:10:22,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-02-20 21:10:22,899 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 21:10:22,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-02-20 21:10:24,774 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {4275#true} is VALID [2022-02-20 21:10:24,774 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:24,775 INFO L272 TraceCheckUtils]: 2: Hoare triple {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {4275#true} is VALID [2022-02-20 21:10:24,775 INFO L290 TraceCheckUtils]: 3: Hoare triple {4275#true} #res := #t~nondet13;havoc #t~nondet13; {4275#true} is VALID [2022-02-20 21:10:24,775 INFO L290 TraceCheckUtils]: 4: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:24,775 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {4275#true} {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #284#return; {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:24,776 INFO L290 TraceCheckUtils]: 6: Hoare triple {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:24,776 INFO L272 TraceCheckUtils]: 7: Hoare triple {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:24,776 INFO L290 TraceCheckUtils]: 8: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:24,776 INFO L290 TraceCheckUtils]: 9: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:24,776 INFO L290 TraceCheckUtils]: 10: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:24,777 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {4275#true} {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #286#return; {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:24,778 INFO L290 TraceCheckUtils]: 12: Hoare triple {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:24,778 INFO L290 TraceCheckUtils]: 13: Hoare triple {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:24,778 INFO L290 TraceCheckUtils]: 14: Hoare triple {4392#(and (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {4432#(= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0)} is VALID [2022-02-20 21:10:24,779 INFO L290 TraceCheckUtils]: 15: Hoare triple {4432#(= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0)} assume { :end_inline_ensure_linked_list_is_allocated } true; {4432#(= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0)} is VALID [2022-02-20 21:10:24,779 INFO L272 TraceCheckUtils]: 16: Hoare triple {4432#(= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0)} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {4275#true} is VALID [2022-02-20 21:10:24,779 INFO L290 TraceCheckUtils]: 17: Hoare triple {4275#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4275#true} is VALID [2022-02-20 21:10:24,779 INFO L272 TraceCheckUtils]: 18: Hoare triple {4275#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:24,779 INFO L290 TraceCheckUtils]: 19: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:24,779 INFO L290 TraceCheckUtils]: 20: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:24,779 INFO L290 TraceCheckUtils]: 21: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:24,779 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:24,780 INFO L290 TraceCheckUtils]: 23: Hoare triple {4275#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4275#true} is VALID [2022-02-20 21:10:24,780 INFO L290 TraceCheckUtils]: 24: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:24,780 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {4275#true} {4432#(= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0)} #288#return; {4432#(= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0)} is VALID [2022-02-20 21:10:24,780 INFO L272 TraceCheckUtils]: 26: Hoare triple {4432#(= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0)} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:24,780 INFO L290 TraceCheckUtils]: 27: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:24,781 INFO L290 TraceCheckUtils]: 28: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:24,781 INFO L290 TraceCheckUtils]: 29: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:24,781 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {4275#true} {4432#(= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0)} #290#return; {4432#(= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0)} is VALID [2022-02-20 21:10:24,782 INFO L290 TraceCheckUtils]: 31: Hoare triple {4432#(= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset| 0)} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {4484#(= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0)} is VALID [2022-02-20 21:10:24,782 INFO L272 TraceCheckUtils]: 32: Hoare triple {4484#(= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0)} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:24,782 INFO L290 TraceCheckUtils]: 33: Hoare triple {4275#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4275#true} is VALID [2022-02-20 21:10:24,782 INFO L272 TraceCheckUtils]: 34: Hoare triple {4275#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:24,782 INFO L290 TraceCheckUtils]: 35: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:24,782 INFO L290 TraceCheckUtils]: 36: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:24,782 INFO L290 TraceCheckUtils]: 37: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:24,782 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:24,782 INFO L290 TraceCheckUtils]: 39: Hoare triple {4275#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4275#true} is VALID [2022-02-20 21:10:24,783 INFO L290 TraceCheckUtils]: 40: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:24,783 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {4275#true} {4484#(= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0)} #292#return; {4484#(= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0)} is VALID [2022-02-20 21:10:24,783 INFO L272 TraceCheckUtils]: 42: Hoare triple {4484#(= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0)} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:24,783 INFO L290 TraceCheckUtils]: 43: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:24,783 INFO L290 TraceCheckUtils]: 44: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:24,784 INFO L290 TraceCheckUtils]: 45: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:24,784 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {4275#true} {4484#(= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0)} #294#return; {4484#(= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0)} is VALID [2022-02-20 21:10:24,784 INFO L290 TraceCheckUtils]: 47: Hoare triple {4484#(= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0)} havoc aws_linked_list_pop_back_#t~ret395#1; {4484#(= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0)} is VALID [2022-02-20 21:10:24,784 INFO L272 TraceCheckUtils]: 48: Hoare triple {4484#(= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0)} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:24,785 INFO L290 TraceCheckUtils]: 49: Hoare triple {4275#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4374#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:24,785 INFO L290 TraceCheckUtils]: 50: Hoare triple {4374#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4542#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (not |aws_linked_list_is_valid_#t~short299#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (and (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))) |aws_linked_list_is_valid_#t~short299#1|))} is VALID [2022-02-20 21:10:24,786 INFO L290 TraceCheckUtils]: 51: Hoare triple {4542#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (not |aws_linked_list_is_valid_#t~short299#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (and (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))) |aws_linked_list_is_valid_#t~short299#1|))} #t~short301#1 := #t~short299#1; {4546#(or (and (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))) |aws_linked_list_is_valid_#t~short301#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (not |aws_linked_list_is_valid_#t~short301#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:24,787 INFO L290 TraceCheckUtils]: 52: Hoare triple {4546#(or (and (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))) |aws_linked_list_is_valid_#t~short301#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (not |aws_linked_list_is_valid_#t~short301#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:24,787 INFO L290 TraceCheckUtils]: 53: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} #t~short303#1 := #t~short301#1; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:24,787 INFO L290 TraceCheckUtils]: 54: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:24,788 INFO L290 TraceCheckUtils]: 55: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} #t~short305#1 := #t~short303#1; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:24,788 INFO L290 TraceCheckUtils]: 56: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:24,789 INFO L290 TraceCheckUtils]: 57: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:24,789 INFO L290 TraceCheckUtils]: 58: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume true; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:24,790 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} {4484#(= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0)} #296#return; {4571#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} is VALID [2022-02-20 21:10:24,791 INFO L272 TraceCheckUtils]: 60: Hoare triple {4571#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,791 INFO L290 TraceCheckUtils]: 61: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} ~cond := #in~cond; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,792 INFO L290 TraceCheckUtils]: 62: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume !(0 == ~cond % 256); {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,792 INFO L290 TraceCheckUtils]: 63: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume true; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,793 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} {4571#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} #298#return; {4571#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} is VALID [2022-02-20 21:10:24,793 INFO L290 TraceCheckUtils]: 65: Hoare triple {4571#(and (or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0))) (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset| 0))} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} is VALID [2022-02-20 21:10:24,794 INFO L272 TraceCheckUtils]: 66: Hoare triple {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,795 INFO L290 TraceCheckUtils]: 67: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,795 INFO L290 TraceCheckUtils]: 68: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,796 INFO L290 TraceCheckUtils]: 69: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} #t~short301#1 := #t~short299#1; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,796 INFO L290 TraceCheckUtils]: 70: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume !#t~short301#1; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,796 INFO L290 TraceCheckUtils]: 71: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} #t~short303#1 := #t~short301#1; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,797 INFO L290 TraceCheckUtils]: 72: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume !#t~short303#1; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,797 INFO L290 TraceCheckUtils]: 73: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} #t~short305#1 := #t~short303#1; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,798 INFO L290 TraceCheckUtils]: 74: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume !#t~short305#1; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,798 INFO L290 TraceCheckUtils]: 75: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,799 INFO L290 TraceCheckUtils]: 76: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume true; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,799 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} #300#return; {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} is VALID [2022-02-20 21:10:24,800 INFO L272 TraceCheckUtils]: 78: Hoare triple {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,800 INFO L290 TraceCheckUtils]: 79: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} ~cond := #in~cond; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,801 INFO L290 TraceCheckUtils]: 80: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume !(0 == ~cond % 256); {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,801 INFO L290 TraceCheckUtils]: 81: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume true; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,802 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} #302#return; {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} is VALID [2022-02-20 21:10:24,802 INFO L290 TraceCheckUtils]: 83: Hoare triple {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} havoc aws_linked_list_back_#t~ret389#1; {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} is VALID [2022-02-20 21:10:24,803 INFO L272 TraceCheckUtils]: 84: Hoare triple {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,804 INFO L290 TraceCheckUtils]: 85: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,804 INFO L272 TraceCheckUtils]: 86: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,805 INFO L290 TraceCheckUtils]: 87: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} ~cond := #in~cond; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,805 INFO L290 TraceCheckUtils]: 88: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume !(0 == ~cond % 256); {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,805 INFO L290 TraceCheckUtils]: 89: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume true; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,806 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} #338#return; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,806 INFO L290 TraceCheckUtils]: 91: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,807 INFO L290 TraceCheckUtils]: 92: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume true; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,807 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} #304#return; {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} is VALID [2022-02-20 21:10:24,808 INFO L272 TraceCheckUtils]: 94: Hoare triple {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,809 INFO L290 TraceCheckUtils]: 95: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} ~cond := #in~cond; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,809 INFO L290 TraceCheckUtils]: 96: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume !(0 == ~cond % 256); {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,810 INFO L290 TraceCheckUtils]: 97: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} assume true; {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,810 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} #306#return; {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} is VALID [2022-02-20 21:10:24,811 INFO L290 TraceCheckUtils]: 99: Hoare triple {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} is VALID [2022-02-20 21:10:24,812 INFO L272 TraceCheckUtils]: 100: Hoare triple {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} is VALID [2022-02-20 21:10:24,812 INFO L290 TraceCheckUtils]: 101: Hoare triple {4575#(or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))))} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4700#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:24,813 INFO L290 TraceCheckUtils]: 102: Hoare triple {4700#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4704#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (not |aws_linked_list_is_valid_#t~short299#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (and (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))) |aws_linked_list_is_valid_#t~short299#1|)))} is VALID [2022-02-20 21:10:24,814 INFO L290 TraceCheckUtils]: 103: Hoare triple {4704#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (not |aws_linked_list_is_valid_#t~short299#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (and (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))) |aws_linked_list_is_valid_#t~short299#1|)))} #t~short301#1 := #t~short299#1; {4708#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (or (and (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))) |aws_linked_list_is_valid_#t~short301#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (not |aws_linked_list_is_valid_#t~short301#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))))} is VALID [2022-02-20 21:10:24,814 INFO L290 TraceCheckUtils]: 104: Hoare triple {4708#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (or (and (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))) |aws_linked_list_is_valid_#t~short301#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (not |aws_linked_list_is_valid_#t~short301#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))))} assume !#t~short301#1; {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:24,815 INFO L290 TraceCheckUtils]: 105: Hoare triple {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} #t~short303#1 := #t~short301#1; {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:24,816 INFO L290 TraceCheckUtils]: 106: Hoare triple {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short303#1; {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:24,816 INFO L290 TraceCheckUtils]: 107: Hoare triple {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} #t~short305#1 := #t~short303#1; {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:24,817 INFO L290 TraceCheckUtils]: 108: Hoare triple {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short305#1; {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:24,817 INFO L290 TraceCheckUtils]: 109: Hoare triple {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:24,818 INFO L290 TraceCheckUtils]: 110: Hoare triple {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume true; {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:24,819 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {4712#(and (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_4|) 0) 0)))) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} {4591#(and (= |ULTIMATE.start_aws_linked_list_back_~list#1.offset| 0) (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) 0) 0))))} #308#return; {4276#false} is VALID [2022-02-20 21:10:24,819 INFO L272 TraceCheckUtils]: 112: Hoare triple {4276#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {4276#false} is VALID [2022-02-20 21:10:24,819 INFO L290 TraceCheckUtils]: 113: Hoare triple {4276#false} ~cond := #in~cond; {4276#false} is VALID [2022-02-20 21:10:24,819 INFO L290 TraceCheckUtils]: 114: Hoare triple {4276#false} assume 0 == ~cond % 256; {4276#false} is VALID [2022-02-20 21:10:24,819 INFO L290 TraceCheckUtils]: 115: Hoare triple {4276#false} assume !false; {4276#false} is VALID [2022-02-20 21:10:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 105 proven. 17 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-02-20 21:10:24,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 21:10:25,501 INFO L290 TraceCheckUtils]: 115: Hoare triple {4276#false} assume !false; {4276#false} is VALID [2022-02-20 21:10:25,501 INFO L290 TraceCheckUtils]: 114: Hoare triple {4276#false} assume 0 == ~cond % 256; {4276#false} is VALID [2022-02-20 21:10:25,501 INFO L290 TraceCheckUtils]: 113: Hoare triple {4276#false} ~cond := #in~cond; {4276#false} is VALID [2022-02-20 21:10:25,501 INFO L272 TraceCheckUtils]: 112: Hoare triple {4276#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {4276#false} is VALID [2022-02-20 21:10:25,502 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} #308#return; {4276#false} is VALID [2022-02-20 21:10:25,503 INFO L290 TraceCheckUtils]: 110: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume true; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:25,503 INFO L290 TraceCheckUtils]: 109: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:25,503 INFO L290 TraceCheckUtils]: 108: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short305#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:25,504 INFO L290 TraceCheckUtils]: 107: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} #t~short305#1 := #t~short303#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:25,504 INFO L290 TraceCheckUtils]: 106: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} assume !#t~short303#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:25,505 INFO L290 TraceCheckUtils]: 105: Hoare triple {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} #t~short303#1 := #t~short301#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:25,505 INFO L290 TraceCheckUtils]: 104: Hoare triple {4380#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short301#1|)} assume !#t~short301#1; {4381#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0))} is VALID [2022-02-20 21:10:25,505 INFO L290 TraceCheckUtils]: 103: Hoare triple {4379#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short299#1|)} #t~short301#1 := #t~short299#1; {4380#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short301#1|)} is VALID [2022-02-20 21:10:25,506 INFO L290 TraceCheckUtils]: 102: Hoare triple {4788#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4379#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) |aws_linked_list_is_valid_#t~short299#1|)} is VALID [2022-02-20 21:10:25,506 INFO L290 TraceCheckUtils]: 101: Hoare triple {4275#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4788#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,507 INFO L272 TraceCheckUtils]: 100: Hoare triple {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:25,507 INFO L290 TraceCheckUtils]: 99: Hoare triple {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,507 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {4275#true} {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} #306#return; {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,507 INFO L290 TraceCheckUtils]: 97: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,508 INFO L290 TraceCheckUtils]: 96: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:25,508 INFO L290 TraceCheckUtils]: 95: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:25,508 INFO L272 TraceCheckUtils]: 94: Hoare triple {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:25,509 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {4275#true} {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} #304#return; {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,509 INFO L290 TraceCheckUtils]: 92: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,509 INFO L290 TraceCheckUtils]: 91: Hoare triple {4275#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4275#true} is VALID [2022-02-20 21:10:25,509 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:25,509 INFO L290 TraceCheckUtils]: 89: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,509 INFO L290 TraceCheckUtils]: 88: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:25,509 INFO L290 TraceCheckUtils]: 87: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:25,509 INFO L272 TraceCheckUtils]: 86: Hoare triple {4275#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:25,509 INFO L290 TraceCheckUtils]: 85: Hoare triple {4275#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4275#true} is VALID [2022-02-20 21:10:25,509 INFO L272 TraceCheckUtils]: 84: Hoare triple {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:25,510 INFO L290 TraceCheckUtils]: 83: Hoare triple {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} havoc aws_linked_list_back_#t~ret389#1; {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,510 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {4275#true} {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} #302#return; {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,510 INFO L290 TraceCheckUtils]: 81: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,510 INFO L290 TraceCheckUtils]: 80: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:25,510 INFO L290 TraceCheckUtils]: 79: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:25,511 INFO L272 TraceCheckUtils]: 78: Hoare triple {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {4275#true} is VALID [2022-02-20 21:10:25,511 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {4275#true} {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} #300#return; {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,511 INFO L290 TraceCheckUtils]: 76: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,511 INFO L290 TraceCheckUtils]: 75: Hoare triple {4275#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4275#true} is VALID [2022-02-20 21:10:25,511 INFO L290 TraceCheckUtils]: 74: Hoare triple {4275#true} assume !#t~short305#1; {4275#true} is VALID [2022-02-20 21:10:25,511 INFO L290 TraceCheckUtils]: 73: Hoare triple {4275#true} #t~short305#1 := #t~short303#1; {4275#true} is VALID [2022-02-20 21:10:25,511 INFO L290 TraceCheckUtils]: 72: Hoare triple {4275#true} assume !#t~short303#1; {4275#true} is VALID [2022-02-20 21:10:25,511 INFO L290 TraceCheckUtils]: 71: Hoare triple {4275#true} #t~short303#1 := #t~short301#1; {4275#true} is VALID [2022-02-20 21:10:25,512 INFO L290 TraceCheckUtils]: 70: Hoare triple {4275#true} assume !#t~short301#1; {4275#true} is VALID [2022-02-20 21:10:25,512 INFO L290 TraceCheckUtils]: 69: Hoare triple {4275#true} #t~short301#1 := #t~short299#1; {4275#true} is VALID [2022-02-20 21:10:25,512 INFO L290 TraceCheckUtils]: 68: Hoare triple {4275#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4275#true} is VALID [2022-02-20 21:10:25,512 INFO L290 TraceCheckUtils]: 67: Hoare triple {4275#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4275#true} is VALID [2022-02-20 21:10:25,512 INFO L272 TraceCheckUtils]: 66: Hoare triple {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:25,512 INFO L290 TraceCheckUtils]: 65: Hoare triple {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {4326#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,513 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {4275#true} {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} #298#return; {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,513 INFO L290 TraceCheckUtils]: 63: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,513 INFO L290 TraceCheckUtils]: 62: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:25,513 INFO L290 TraceCheckUtils]: 61: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:25,513 INFO L272 TraceCheckUtils]: 60: Hoare triple {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {4275#true} is VALID [2022-02-20 21:10:25,514 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} {4275#true} #296#return; {4321#(or (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,514 INFO L290 TraceCheckUtils]: 58: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume true; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,515 INFO L290 TraceCheckUtils]: 57: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,515 INFO L290 TraceCheckUtils]: 56: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,516 INFO L290 TraceCheckUtils]: 55: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} #t~short305#1 := #t~short303#1; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,516 INFO L290 TraceCheckUtils]: 54: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,516 INFO L290 TraceCheckUtils]: 53: Hoare triple {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} #t~short303#1 := #t~short301#1; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,517 INFO L290 TraceCheckUtils]: 52: Hoare triple {4939#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not |aws_linked_list_is_valid_#t~short301#1|) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {4378#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,518 INFO L290 TraceCheckUtils]: 51: Hoare triple {4943#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not |aws_linked_list_is_valid_#t~short299#1|) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} #t~short301#1 := #t~short299#1; {4939#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not |aws_linked_list_is_valid_#t~short301#1|) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,518 INFO L290 TraceCheckUtils]: 50: Hoare triple {4947#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {4943#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (not |aws_linked_list_is_valid_#t~short299#1|) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,520 INFO L290 TraceCheckUtils]: 49: Hoare triple {4275#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {4947#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) 0)))} is VALID [2022-02-20 21:10:25,520 INFO L272 TraceCheckUtils]: 48: Hoare triple {4275#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:25,520 INFO L290 TraceCheckUtils]: 47: Hoare triple {4275#true} havoc aws_linked_list_pop_back_#t~ret395#1; {4275#true} is VALID [2022-02-20 21:10:25,520 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {4275#true} {4275#true} #294#return; {4275#true} is VALID [2022-02-20 21:10:25,520 INFO L290 TraceCheckUtils]: 45: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,520 INFO L290 TraceCheckUtils]: 44: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L290 TraceCheckUtils]: 43: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L272 TraceCheckUtils]: 42: Hoare triple {4275#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {4275#true} {4275#true} #292#return; {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L290 TraceCheckUtils]: 40: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L290 TraceCheckUtils]: 39: Hoare triple {4275#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L290 TraceCheckUtils]: 37: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L290 TraceCheckUtils]: 36: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L290 TraceCheckUtils]: 35: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L272 TraceCheckUtils]: 34: Hoare triple {4275#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L290 TraceCheckUtils]: 33: Hoare triple {4275#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L272 TraceCheckUtils]: 32: Hoare triple {4275#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {4275#true} is VALID [2022-02-20 21:10:25,521 INFO L290 TraceCheckUtils]: 31: Hoare triple {4275#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {4275#true} is VALID [2022-02-20 21:10:25,526 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {4275#true} {4275#true} #290#return; {4275#true} is VALID [2022-02-20 21:10:25,526 INFO L290 TraceCheckUtils]: 29: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,526 INFO L290 TraceCheckUtils]: 28: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:25,526 INFO L290 TraceCheckUtils]: 27: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:25,526 INFO L272 TraceCheckUtils]: 26: Hoare triple {4275#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:25,526 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {4275#true} {4275#true} #288#return; {4275#true} is VALID [2022-02-20 21:10:25,526 INFO L290 TraceCheckUtils]: 24: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,526 INFO L290 TraceCheckUtils]: 23: Hoare triple {4275#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {4275#true} is VALID [2022-02-20 21:10:25,527 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {4275#true} {4275#true} #338#return; {4275#true} is VALID [2022-02-20 21:10:25,527 INFO L290 TraceCheckUtils]: 21: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,527 INFO L290 TraceCheckUtils]: 20: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:25,527 INFO L290 TraceCheckUtils]: 19: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:25,527 INFO L272 TraceCheckUtils]: 18: Hoare triple {4275#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:25,527 INFO L290 TraceCheckUtils]: 17: Hoare triple {4275#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4275#true} is VALID [2022-02-20 21:10:25,527 INFO L272 TraceCheckUtils]: 16: Hoare triple {4275#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {4275#true} is VALID [2022-02-20 21:10:25,527 INFO L290 TraceCheckUtils]: 15: Hoare triple {4275#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {4275#true} is VALID [2022-02-20 21:10:25,527 INFO L290 TraceCheckUtils]: 14: Hoare triple {4275#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {4275#true} is VALID [2022-02-20 21:10:25,527 INFO L290 TraceCheckUtils]: 13: Hoare triple {4275#true} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {4275#true} is VALID [2022-02-20 21:10:25,528 INFO L290 TraceCheckUtils]: 12: Hoare triple {4275#true} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {4275#true} is VALID [2022-02-20 21:10:25,528 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {4275#true} {4275#true} #286#return; {4275#true} is VALID [2022-02-20 21:10:25,528 INFO L290 TraceCheckUtils]: 10: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,528 INFO L290 TraceCheckUtils]: 9: Hoare triple {4275#true} assume !(0 == ~cond % 256); {4275#true} is VALID [2022-02-20 21:10:25,528 INFO L290 TraceCheckUtils]: 8: Hoare triple {4275#true} ~cond := #in~cond; {4275#true} is VALID [2022-02-20 21:10:25,528 INFO L272 TraceCheckUtils]: 7: Hoare triple {4275#true} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {4275#true} is VALID [2022-02-20 21:10:25,528 INFO L290 TraceCheckUtils]: 6: Hoare triple {4275#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {4275#true} is VALID [2022-02-20 21:10:25,528 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {4275#true} {4275#true} #284#return; {4275#true} is VALID [2022-02-20 21:10:25,528 INFO L290 TraceCheckUtils]: 4: Hoare triple {4275#true} assume true; {4275#true} is VALID [2022-02-20 21:10:25,529 INFO L290 TraceCheckUtils]: 3: Hoare triple {4275#true} #res := #t~nondet13;havoc #t~nondet13; {4275#true} is VALID [2022-02-20 21:10:25,529 INFO L272 TraceCheckUtils]: 2: Hoare triple {4275#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {4275#true} is VALID [2022-02-20 21:10:25,529 INFO L290 TraceCheckUtils]: 1: Hoare triple {4275#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {4275#true} is VALID [2022-02-20 21:10:25,529 INFO L290 TraceCheckUtils]: 0: Hoare triple {4275#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {4275#true} is VALID [2022-02-20 21:10:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-02-20 21:10:25,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779221954] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 21:10:25,530 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 21:10:25,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 12] total 28 [2022-02-20 21:10:25,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833529166] [2022-02-20 21:10:25,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 21:10:25,532 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 26 states have internal predecessors, (104), 10 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) Word has length 116 [2022-02-20 21:10:25,533 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:25,535 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 26 states have internal predecessors, (104), 10 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2022-02-20 21:10:25,661 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 170 edges. 170 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:25,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-20 21:10:25,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:25,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-20 21:10:25,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2022-02-20 21:10:25,662 INFO L87 Difference]: Start difference. First operand 169 states and 222 transitions. Second operand has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 26 states have internal predecessors, (104), 10 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2022-02-20 21:10:33,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:33,688 INFO L93 Difference]: Finished difference Result 408 states and 568 transitions. [2022-02-20 21:10:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-20 21:10:33,688 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 26 states have internal predecessors, (104), 10 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) Word has length 116 [2022-02-20 21:10:33,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:33,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 26 states have internal predecessors, (104), 10 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2022-02-20 21:10:33,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 521 transitions. [2022-02-20 21:10:33,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 26 states have internal predecessors, (104), 10 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2022-02-20 21:10:33,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 521 transitions. [2022-02-20 21:10:33,736 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 521 transitions. [2022-02-20 21:10:34,163 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 521 edges. 521 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:34,169 INFO L225 Difference]: With dead ends: 408 [2022-02-20 21:10:34,169 INFO L226 Difference]: Without dead ends: 287 [2022-02-20 21:10:34,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 243 SyntacticMatches, 12 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=303, Invalid=1677, Unknown=0, NotChecked=0, Total=1980 [2022-02-20 21:10:34,173 INFO L933 BasicCegarLoop]: 253 mSDtfsCounter, 185 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 3600 SdHoareTripleChecker+Invalid, 1731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 403 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:34,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 3600 Invalid, 1731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1194 Invalid, 0 Unknown, 403 Unchecked, 1.2s Time] [2022-02-20 21:10:34,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-02-20 21:10:34,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 218. [2022-02-20 21:10:34,211 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:34,211 INFO L82 GeneralOperation]: Start isEquivalent. First operand 287 states. Second operand has 218 states, 145 states have (on average 1.186206896551724) internal successors, (172), 149 states have internal predecessors, (172), 54 states have call successors, (54), 16 states have call predecessors, (54), 18 states have return successors, (67), 52 states have call predecessors, (67), 53 states have call successors, (67) [2022-02-20 21:10:34,212 INFO L74 IsIncluded]: Start isIncluded. First operand 287 states. Second operand has 218 states, 145 states have (on average 1.186206896551724) internal successors, (172), 149 states have internal predecessors, (172), 54 states have call successors, (54), 16 states have call predecessors, (54), 18 states have return successors, (67), 52 states have call predecessors, (67), 53 states have call successors, (67) [2022-02-20 21:10:34,212 INFO L87 Difference]: Start difference. First operand 287 states. Second operand has 218 states, 145 states have (on average 1.186206896551724) internal successors, (172), 149 states have internal predecessors, (172), 54 states have call successors, (54), 16 states have call predecessors, (54), 18 states have return successors, (67), 52 states have call predecessors, (67), 53 states have call successors, (67) [2022-02-20 21:10:34,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:34,241 INFO L93 Difference]: Finished difference Result 287 states and 407 transitions. [2022-02-20 21:10:34,241 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 407 transitions. [2022-02-20 21:10:34,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:34,243 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:34,243 INFO L74 IsIncluded]: Start isIncluded. First operand has 218 states, 145 states have (on average 1.186206896551724) internal successors, (172), 149 states have internal predecessors, (172), 54 states have call successors, (54), 16 states have call predecessors, (54), 18 states have return successors, (67), 52 states have call predecessors, (67), 53 states have call successors, (67) Second operand 287 states. [2022-02-20 21:10:34,244 INFO L87 Difference]: Start difference. First operand has 218 states, 145 states have (on average 1.186206896551724) internal successors, (172), 149 states have internal predecessors, (172), 54 states have call successors, (54), 16 states have call predecessors, (54), 18 states have return successors, (67), 52 states have call predecessors, (67), 53 states have call successors, (67) Second operand 287 states. [2022-02-20 21:10:34,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:34,266 INFO L93 Difference]: Finished difference Result 287 states and 407 transitions. [2022-02-20 21:10:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 407 transitions. [2022-02-20 21:10:34,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:34,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:34,268 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:34,268 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:34,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 145 states have (on average 1.186206896551724) internal successors, (172), 149 states have internal predecessors, (172), 54 states have call successors, (54), 16 states have call predecessors, (54), 18 states have return successors, (67), 52 states have call predecessors, (67), 53 states have call successors, (67) [2022-02-20 21:10:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 293 transitions. [2022-02-20 21:10:34,274 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 293 transitions. Word has length 116 [2022-02-20 21:10:34,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:34,275 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 293 transitions. [2022-02-20 21:10:34,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 26 states have internal predecessors, (104), 10 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2022-02-20 21:10:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 293 transitions. [2022-02-20 21:10:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-20 21:10:34,276 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:34,276 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-20 21:10:34,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 21:10:34,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:34,493 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:34,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:34,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1275142702, now seen corresponding path program 1 times [2022-02-20 21:10:34,493 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:34,494 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138468109] [2022-02-20 21:10:34,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:34,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,548 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} #res := #t~nondet13;havoc #t~nondet13; {6578#true} is VALID [2022-02-20 21:10:34,548 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,548 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {6578#true} {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} #284#return; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-02-20 21:10:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,556 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,556 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,556 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,556 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6578#true} {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} #286#return; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:10:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,595 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,595 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,596 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,596 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6578#true} {6578#true} #338#return; {6578#true} is VALID [2022-02-20 21:10:34,596 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6578#true} is VALID [2022-02-20 21:10:34,596 INFO L272 TraceCheckUtils]: 1: Hoare triple {6578#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:34,596 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,596 INFO L290 TraceCheckUtils]: 3: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,596 INFO L290 TraceCheckUtils]: 4: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,596 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {6578#true} {6578#true} #338#return; {6578#true} is VALID [2022-02-20 21:10:34,597 INFO L290 TraceCheckUtils]: 6: Hoare triple {6578#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {6578#true} is VALID [2022-02-20 21:10:34,597 INFO L290 TraceCheckUtils]: 7: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,597 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {6578#true} {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} #288#return; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:10:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,604 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,605 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,605 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,605 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6578#true} {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} #290#return; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-02-20 21:10:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,616 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,616 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,616 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,617 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6578#true} {6578#true} #338#return; {6578#true} is VALID [2022-02-20 21:10:34,617 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6578#true} is VALID [2022-02-20 21:10:34,618 INFO L272 TraceCheckUtils]: 1: Hoare triple {6578#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:34,618 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,618 INFO L290 TraceCheckUtils]: 3: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,618 INFO L290 TraceCheckUtils]: 4: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,618 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {6578#true} {6578#true} #338#return; {6578#true} is VALID [2022-02-20 21:10:34,618 INFO L290 TraceCheckUtils]: 6: Hoare triple {6578#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {6578#true} is VALID [2022-02-20 21:10:34,618 INFO L290 TraceCheckUtils]: 7: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,619 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {6578#true} {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} #292#return; {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} is VALID [2022-02-20 21:10:34,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 21:10:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,625 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,625 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,625 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,626 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6578#true} {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} #294#return; {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} is VALID [2022-02-20 21:10:34,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-02-20 21:10:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,647 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {6677#(or (= |aws_linked_list_is_valid_#in~list#1.base| 0) |aws_linked_list_is_valid_#t~short299#1|)} is VALID [2022-02-20 21:10:34,647 INFO L290 TraceCheckUtils]: 1: Hoare triple {6677#(or (= |aws_linked_list_is_valid_#in~list#1.base| 0) |aws_linked_list_is_valid_#t~short299#1|)} assume !#t~short299#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,647 INFO L290 TraceCheckUtils]: 2: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} #t~short301#1 := #t~short299#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,648 INFO L290 TraceCheckUtils]: 3: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short301#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,648 INFO L290 TraceCheckUtils]: 4: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} #t~short303#1 := #t~short301#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,648 INFO L290 TraceCheckUtils]: 5: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short303#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,648 INFO L290 TraceCheckUtils]: 6: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} #t~short305#1 := #t~short303#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,649 INFO L290 TraceCheckUtils]: 7: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short305#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,649 INFO L290 TraceCheckUtils]: 8: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,649 INFO L290 TraceCheckUtils]: 9: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume true; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,650 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} #296#return; {6579#false} is VALID [2022-02-20 21:10:34,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 21:10:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,668 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,668 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,668 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,668 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6578#true} {6579#false} #298#return; {6579#false} is VALID [2022-02-20 21:10:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-02-20 21:10:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,675 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {6578#true} is VALID [2022-02-20 21:10:34,675 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {6578#true} is VALID [2022-02-20 21:10:34,675 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} #t~short301#1 := #t~short299#1; {6578#true} is VALID [2022-02-20 21:10:34,675 INFO L290 TraceCheckUtils]: 3: Hoare triple {6578#true} assume !#t~short301#1; {6578#true} is VALID [2022-02-20 21:10:34,675 INFO L290 TraceCheckUtils]: 4: Hoare triple {6578#true} #t~short303#1 := #t~short301#1; {6578#true} is VALID [2022-02-20 21:10:34,675 INFO L290 TraceCheckUtils]: 5: Hoare triple {6578#true} assume !#t~short303#1; {6578#true} is VALID [2022-02-20 21:10:34,675 INFO L290 TraceCheckUtils]: 6: Hoare triple {6578#true} #t~short305#1 := #t~short303#1; {6578#true} is VALID [2022-02-20 21:10:34,676 INFO L290 TraceCheckUtils]: 7: Hoare triple {6578#true} assume !#t~short305#1; {6578#true} is VALID [2022-02-20 21:10:34,676 INFO L290 TraceCheckUtils]: 8: Hoare triple {6578#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {6578#true} is VALID [2022-02-20 21:10:34,676 INFO L290 TraceCheckUtils]: 9: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,676 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {6578#true} {6579#false} #300#return; {6579#false} is VALID [2022-02-20 21:10:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-02-20 21:10:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,684 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,684 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,684 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,684 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6578#true} {6579#false} #302#return; {6579#false} is VALID [2022-02-20 21:10:34,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-02-20 21:10:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,695 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,695 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,695 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,696 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6578#true} {6578#true} #338#return; {6578#true} is VALID [2022-02-20 21:10:34,696 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6578#true} is VALID [2022-02-20 21:10:34,696 INFO L272 TraceCheckUtils]: 1: Hoare triple {6578#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:34,696 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,696 INFO L290 TraceCheckUtils]: 3: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,696 INFO L290 TraceCheckUtils]: 4: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,696 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {6578#true} {6578#true} #338#return; {6578#true} is VALID [2022-02-20 21:10:34,696 INFO L290 TraceCheckUtils]: 6: Hoare triple {6578#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {6578#true} is VALID [2022-02-20 21:10:34,697 INFO L290 TraceCheckUtils]: 7: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,697 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {6578#true} {6579#false} #304#return; {6579#false} is VALID [2022-02-20 21:10:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-02-20 21:10:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,701 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,701 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,701 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,702 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6578#true} {6579#false} #306#return; {6579#false} is VALID [2022-02-20 21:10:34,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-02-20 21:10:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,707 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {6578#true} is VALID [2022-02-20 21:10:34,707 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {6578#true} is VALID [2022-02-20 21:10:34,707 INFO L290 TraceCheckUtils]: 2: Hoare triple {6578#true} #t~short301#1 := #t~short299#1; {6578#true} is VALID [2022-02-20 21:10:34,707 INFO L290 TraceCheckUtils]: 3: Hoare triple {6578#true} assume !#t~short301#1; {6578#true} is VALID [2022-02-20 21:10:34,707 INFO L290 TraceCheckUtils]: 4: Hoare triple {6578#true} #t~short303#1 := #t~short301#1; {6578#true} is VALID [2022-02-20 21:10:34,707 INFO L290 TraceCheckUtils]: 5: Hoare triple {6578#true} assume !#t~short303#1; {6578#true} is VALID [2022-02-20 21:10:34,708 INFO L290 TraceCheckUtils]: 6: Hoare triple {6578#true} #t~short305#1 := #t~short303#1; {6578#true} is VALID [2022-02-20 21:10:34,708 INFO L290 TraceCheckUtils]: 7: Hoare triple {6578#true} assume !#t~short305#1; {6578#true} is VALID [2022-02-20 21:10:34,708 INFO L290 TraceCheckUtils]: 8: Hoare triple {6578#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {6578#true} is VALID [2022-02-20 21:10:34,708 INFO L290 TraceCheckUtils]: 9: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,708 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {6578#true} {6579#false} #308#return; {6579#false} is VALID [2022-02-20 21:10:34,708 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {6578#true} is VALID [2022-02-20 21:10:34,708 INFO L290 TraceCheckUtils]: 1: Hoare triple {6578#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,709 INFO L272 TraceCheckUtils]: 2: Hoare triple {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {6578#true} is VALID [2022-02-20 21:10:34,709 INFO L290 TraceCheckUtils]: 3: Hoare triple {6578#true} #res := #t~nondet13;havoc #t~nondet13; {6578#true} is VALID [2022-02-20 21:10:34,709 INFO L290 TraceCheckUtils]: 4: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,709 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {6578#true} {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} #284#return; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,709 INFO L290 TraceCheckUtils]: 6: Hoare triple {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,710 INFO L272 TraceCheckUtils]: 7: Hoare triple {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:34,710 INFO L290 TraceCheckUtils]: 8: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,710 INFO L290 TraceCheckUtils]: 9: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,710 INFO L290 TraceCheckUtils]: 10: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,710 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {6578#true} {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} #286#return; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,711 INFO L290 TraceCheckUtils]: 12: Hoare triple {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,711 INFO L290 TraceCheckUtils]: 13: Hoare triple {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,711 INFO L290 TraceCheckUtils]: 14: Hoare triple {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,711 INFO L290 TraceCheckUtils]: 15: Hoare triple {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} assume { :end_inline_ensure_linked_list_is_allocated } true; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,711 INFO L272 TraceCheckUtils]: 16: Hoare triple {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {6578#true} is VALID [2022-02-20 21:10:34,712 INFO L290 TraceCheckUtils]: 17: Hoare triple {6578#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6578#true} is VALID [2022-02-20 21:10:34,712 INFO L272 TraceCheckUtils]: 18: Hoare triple {6578#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:34,712 INFO L290 TraceCheckUtils]: 19: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,712 INFO L290 TraceCheckUtils]: 20: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,712 INFO L290 TraceCheckUtils]: 21: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,712 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {6578#true} {6578#true} #338#return; {6578#true} is VALID [2022-02-20 21:10:34,712 INFO L290 TraceCheckUtils]: 23: Hoare triple {6578#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {6578#true} is VALID [2022-02-20 21:10:34,712 INFO L290 TraceCheckUtils]: 24: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,713 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {6578#true} {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} #288#return; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,713 INFO L272 TraceCheckUtils]: 26: Hoare triple {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:34,713 INFO L290 TraceCheckUtils]: 27: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,713 INFO L290 TraceCheckUtils]: 28: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,713 INFO L290 TraceCheckUtils]: 29: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,714 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {6578#true} {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} #290#return; {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} is VALID [2022-02-20 21:10:34,714 INFO L290 TraceCheckUtils]: 31: Hoare triple {6580#(not (= |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base| 0))} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} is VALID [2022-02-20 21:10:34,714 INFO L272 TraceCheckUtils]: 32: Hoare triple {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {6578#true} is VALID [2022-02-20 21:10:34,714 INFO L290 TraceCheckUtils]: 33: Hoare triple {6578#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6578#true} is VALID [2022-02-20 21:10:34,714 INFO L272 TraceCheckUtils]: 34: Hoare triple {6578#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:34,714 INFO L290 TraceCheckUtils]: 35: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,715 INFO L290 TraceCheckUtils]: 36: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,715 INFO L290 TraceCheckUtils]: 37: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,715 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {6578#true} {6578#true} #338#return; {6578#true} is VALID [2022-02-20 21:10:34,715 INFO L290 TraceCheckUtils]: 39: Hoare triple {6578#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {6578#true} is VALID [2022-02-20 21:10:34,715 INFO L290 TraceCheckUtils]: 40: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,715 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {6578#true} {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} #292#return; {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} is VALID [2022-02-20 21:10:34,716 INFO L272 TraceCheckUtils]: 42: Hoare triple {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:34,716 INFO L290 TraceCheckUtils]: 43: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,716 INFO L290 TraceCheckUtils]: 44: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,716 INFO L290 TraceCheckUtils]: 45: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,716 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {6578#true} {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} #294#return; {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} is VALID [2022-02-20 21:10:34,717 INFO L290 TraceCheckUtils]: 47: Hoare triple {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} havoc aws_linked_list_pop_back_#t~ret395#1; {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} is VALID [2022-02-20 21:10:34,717 INFO L272 TraceCheckUtils]: 48: Hoare triple {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {6578#true} is VALID [2022-02-20 21:10:34,717 INFO L290 TraceCheckUtils]: 49: Hoare triple {6578#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {6677#(or (= |aws_linked_list_is_valid_#in~list#1.base| 0) |aws_linked_list_is_valid_#t~short299#1|)} is VALID [2022-02-20 21:10:34,717 INFO L290 TraceCheckUtils]: 50: Hoare triple {6677#(or (= |aws_linked_list_is_valid_#in~list#1.base| 0) |aws_linked_list_is_valid_#t~short299#1|)} assume !#t~short299#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,718 INFO L290 TraceCheckUtils]: 51: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} #t~short301#1 := #t~short299#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,718 INFO L290 TraceCheckUtils]: 52: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short301#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,718 INFO L290 TraceCheckUtils]: 53: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} #t~short303#1 := #t~short301#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,718 INFO L290 TraceCheckUtils]: 54: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short303#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,719 INFO L290 TraceCheckUtils]: 55: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} #t~short305#1 := #t~short303#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,719 INFO L290 TraceCheckUtils]: 56: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short305#1; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,719 INFO L290 TraceCheckUtils]: 57: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,719 INFO L290 TraceCheckUtils]: 58: Hoare triple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume true; {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:34,720 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {6678#(= |aws_linked_list_is_valid_#in~list#1.base| 0)} {6601#(not (= |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base| 0))} #296#return; {6579#false} is VALID [2022-02-20 21:10:34,720 INFO L272 TraceCheckUtils]: 60: Hoare triple {6579#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {6578#true} is VALID [2022-02-20 21:10:34,720 INFO L290 TraceCheckUtils]: 61: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,720 INFO L290 TraceCheckUtils]: 62: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,720 INFO L290 TraceCheckUtils]: 63: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,721 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {6578#true} {6579#false} #298#return; {6579#false} is VALID [2022-02-20 21:10:34,721 INFO L290 TraceCheckUtils]: 65: Hoare triple {6579#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {6579#false} is VALID [2022-02-20 21:10:34,721 INFO L272 TraceCheckUtils]: 66: Hoare triple {6579#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {6578#true} is VALID [2022-02-20 21:10:34,721 INFO L290 TraceCheckUtils]: 67: Hoare triple {6578#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {6578#true} is VALID [2022-02-20 21:10:34,721 INFO L290 TraceCheckUtils]: 68: Hoare triple {6578#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {6578#true} is VALID [2022-02-20 21:10:34,721 INFO L290 TraceCheckUtils]: 69: Hoare triple {6578#true} #t~short301#1 := #t~short299#1; {6578#true} is VALID [2022-02-20 21:10:34,721 INFO L290 TraceCheckUtils]: 70: Hoare triple {6578#true} assume !#t~short301#1; {6578#true} is VALID [2022-02-20 21:10:34,721 INFO L290 TraceCheckUtils]: 71: Hoare triple {6578#true} #t~short303#1 := #t~short301#1; {6578#true} is VALID [2022-02-20 21:10:34,721 INFO L290 TraceCheckUtils]: 72: Hoare triple {6578#true} assume !#t~short303#1; {6578#true} is VALID [2022-02-20 21:10:34,721 INFO L290 TraceCheckUtils]: 73: Hoare triple {6578#true} #t~short305#1 := #t~short303#1; {6578#true} is VALID [2022-02-20 21:10:34,722 INFO L290 TraceCheckUtils]: 74: Hoare triple {6578#true} assume !#t~short305#1; {6578#true} is VALID [2022-02-20 21:10:34,722 INFO L290 TraceCheckUtils]: 75: Hoare triple {6578#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {6578#true} is VALID [2022-02-20 21:10:34,722 INFO L290 TraceCheckUtils]: 76: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,722 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {6578#true} {6579#false} #300#return; {6579#false} is VALID [2022-02-20 21:10:34,722 INFO L272 TraceCheckUtils]: 78: Hoare triple {6579#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {6578#true} is VALID [2022-02-20 21:10:34,722 INFO L290 TraceCheckUtils]: 79: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,722 INFO L290 TraceCheckUtils]: 80: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,722 INFO L290 TraceCheckUtils]: 81: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,722 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {6578#true} {6579#false} #302#return; {6579#false} is VALID [2022-02-20 21:10:34,722 INFO L290 TraceCheckUtils]: 83: Hoare triple {6579#false} havoc aws_linked_list_back_#t~ret389#1; {6579#false} is VALID [2022-02-20 21:10:34,723 INFO L272 TraceCheckUtils]: 84: Hoare triple {6579#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {6578#true} is VALID [2022-02-20 21:10:34,723 INFO L290 TraceCheckUtils]: 85: Hoare triple {6578#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6578#true} is VALID [2022-02-20 21:10:34,723 INFO L272 TraceCheckUtils]: 86: Hoare triple {6578#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:34,723 INFO L290 TraceCheckUtils]: 87: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,723 INFO L290 TraceCheckUtils]: 88: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,723 INFO L290 TraceCheckUtils]: 89: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,723 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {6578#true} {6578#true} #338#return; {6578#true} is VALID [2022-02-20 21:10:34,723 INFO L290 TraceCheckUtils]: 91: Hoare triple {6578#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {6578#true} is VALID [2022-02-20 21:10:34,723 INFO L290 TraceCheckUtils]: 92: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,724 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {6578#true} {6579#false} #304#return; {6579#false} is VALID [2022-02-20 21:10:34,724 INFO L272 TraceCheckUtils]: 94: Hoare triple {6579#false} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:34,724 INFO L290 TraceCheckUtils]: 95: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:34,724 INFO L290 TraceCheckUtils]: 96: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:34,724 INFO L290 TraceCheckUtils]: 97: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,724 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {6578#true} {6579#false} #306#return; {6579#false} is VALID [2022-02-20 21:10:34,724 INFO L290 TraceCheckUtils]: 99: Hoare triple {6579#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {6579#false} is VALID [2022-02-20 21:10:34,724 INFO L272 TraceCheckUtils]: 100: Hoare triple {6579#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {6578#true} is VALID [2022-02-20 21:10:34,724 INFO L290 TraceCheckUtils]: 101: Hoare triple {6578#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {6578#true} is VALID [2022-02-20 21:10:34,724 INFO L290 TraceCheckUtils]: 102: Hoare triple {6578#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {6578#true} is VALID [2022-02-20 21:10:34,725 INFO L290 TraceCheckUtils]: 103: Hoare triple {6578#true} #t~short301#1 := #t~short299#1; {6578#true} is VALID [2022-02-20 21:10:34,725 INFO L290 TraceCheckUtils]: 104: Hoare triple {6578#true} assume !#t~short301#1; {6578#true} is VALID [2022-02-20 21:10:34,725 INFO L290 TraceCheckUtils]: 105: Hoare triple {6578#true} #t~short303#1 := #t~short301#1; {6578#true} is VALID [2022-02-20 21:10:34,725 INFO L290 TraceCheckUtils]: 106: Hoare triple {6578#true} assume !#t~short303#1; {6578#true} is VALID [2022-02-20 21:10:34,725 INFO L290 TraceCheckUtils]: 107: Hoare triple {6578#true} #t~short305#1 := #t~short303#1; {6578#true} is VALID [2022-02-20 21:10:34,725 INFO L290 TraceCheckUtils]: 108: Hoare triple {6578#true} assume !#t~short305#1; {6578#true} is VALID [2022-02-20 21:10:34,725 INFO L290 TraceCheckUtils]: 109: Hoare triple {6578#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {6578#true} is VALID [2022-02-20 21:10:34,725 INFO L290 TraceCheckUtils]: 110: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:34,725 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {6578#true} {6579#false} #308#return; {6579#false} is VALID [2022-02-20 21:10:34,726 INFO L272 TraceCheckUtils]: 112: Hoare triple {6579#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {6579#false} is VALID [2022-02-20 21:10:34,726 INFO L290 TraceCheckUtils]: 113: Hoare triple {6579#false} ~cond := #in~cond; {6579#false} is VALID [2022-02-20 21:10:34,726 INFO L290 TraceCheckUtils]: 114: Hoare triple {6579#false} assume 0 == ~cond % 256; {6579#false} is VALID [2022-02-20 21:10:34,726 INFO L290 TraceCheckUtils]: 115: Hoare triple {6579#false} assume !false; {6579#false} is VALID [2022-02-20 21:10:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-02-20 21:10:34,726 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:34,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138468109] [2022-02-20 21:10:34,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138468109] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:10:34,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544499599] [2022-02-20 21:10:34,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:34,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:34,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:10:34,744 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 21:10:34,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 21:10:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-20 21:10:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:34,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:35,323 INFO L290 TraceCheckUtils]: 0: Hoare triple {6578#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {6686#(< 0 |#StackHeapBarrier|)} is VALID [2022-02-20 21:10:35,323 INFO L290 TraceCheckUtils]: 1: Hoare triple {6686#(< 0 |#StackHeapBarrier|)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:35,324 INFO L272 TraceCheckUtils]: 2: Hoare triple {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {6578#true} is VALID [2022-02-20 21:10:35,324 INFO L290 TraceCheckUtils]: 3: Hoare triple {6578#true} #res := #t~nondet13;havoc #t~nondet13; {6578#true} is VALID [2022-02-20 21:10:35,324 INFO L290 TraceCheckUtils]: 4: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:35,324 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {6578#true} {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} #284#return; {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:35,325 INFO L290 TraceCheckUtils]: 6: Hoare triple {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:35,325 INFO L272 TraceCheckUtils]: 7: Hoare triple {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:35,325 INFO L290 TraceCheckUtils]: 8: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:35,325 INFO L290 TraceCheckUtils]: 9: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:35,325 INFO L290 TraceCheckUtils]: 10: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:35,325 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {6578#true} {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} #286#return; {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:35,326 INFO L290 TraceCheckUtils]: 12: Hoare triple {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:35,326 INFO L290 TraceCheckUtils]: 13: Hoare triple {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:35,326 INFO L290 TraceCheckUtils]: 14: Hoare triple {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:35,327 INFO L290 TraceCheckUtils]: 15: Hoare triple {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} assume { :end_inline_ensure_linked_list_is_allocated } true; {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:35,327 INFO L272 TraceCheckUtils]: 16: Hoare triple {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {6578#true} is VALID [2022-02-20 21:10:35,327 INFO L290 TraceCheckUtils]: 17: Hoare triple {6578#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6578#true} is VALID [2022-02-20 21:10:35,327 INFO L272 TraceCheckUtils]: 18: Hoare triple {6578#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:35,327 INFO L290 TraceCheckUtils]: 19: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:35,327 INFO L290 TraceCheckUtils]: 20: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:35,327 INFO L290 TraceCheckUtils]: 21: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:35,327 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {6578#true} {6578#true} #338#return; {6578#true} is VALID [2022-02-20 21:10:35,327 INFO L290 TraceCheckUtils]: 23: Hoare triple {6578#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {6578#true} is VALID [2022-02-20 21:10:35,328 INFO L290 TraceCheckUtils]: 24: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:35,328 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {6578#true} {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} #288#return; {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:35,328 INFO L272 TraceCheckUtils]: 26: Hoare triple {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:35,328 INFO L290 TraceCheckUtils]: 27: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:35,328 INFO L290 TraceCheckUtils]: 28: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:35,328 INFO L290 TraceCheckUtils]: 29: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:35,329 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {6578#true} {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} #290#return; {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:35,329 INFO L290 TraceCheckUtils]: 31: Hoare triple {6690#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|)} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {6781#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|)} is VALID [2022-02-20 21:10:35,330 INFO L272 TraceCheckUtils]: 32: Hoare triple {6781#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|)} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {6578#true} is VALID [2022-02-20 21:10:35,330 INFO L290 TraceCheckUtils]: 33: Hoare triple {6578#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6578#true} is VALID [2022-02-20 21:10:35,330 INFO L272 TraceCheckUtils]: 34: Hoare triple {6578#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:35,330 INFO L290 TraceCheckUtils]: 35: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:35,330 INFO L290 TraceCheckUtils]: 36: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:35,330 INFO L290 TraceCheckUtils]: 37: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:35,330 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {6578#true} {6578#true} #338#return; {6578#true} is VALID [2022-02-20 21:10:35,330 INFO L290 TraceCheckUtils]: 39: Hoare triple {6578#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {6578#true} is VALID [2022-02-20 21:10:35,330 INFO L290 TraceCheckUtils]: 40: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:35,331 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {6578#true} {6781#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|)} #292#return; {6781#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|)} is VALID [2022-02-20 21:10:35,331 INFO L272 TraceCheckUtils]: 42: Hoare triple {6781#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|)} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {6578#true} is VALID [2022-02-20 21:10:35,331 INFO L290 TraceCheckUtils]: 43: Hoare triple {6578#true} ~cond := #in~cond; {6578#true} is VALID [2022-02-20 21:10:35,331 INFO L290 TraceCheckUtils]: 44: Hoare triple {6578#true} assume !(0 == ~cond % 256); {6578#true} is VALID [2022-02-20 21:10:35,331 INFO L290 TraceCheckUtils]: 45: Hoare triple {6578#true} assume true; {6578#true} is VALID [2022-02-20 21:10:35,332 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {6578#true} {6781#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|)} #294#return; {6781#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|)} is VALID [2022-02-20 21:10:35,332 INFO L290 TraceCheckUtils]: 47: Hoare triple {6781#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|)} havoc aws_linked_list_pop_back_#t~ret395#1; {6781#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|)} is VALID [2022-02-20 21:10:35,332 INFO L272 TraceCheckUtils]: 48: Hoare triple {6781#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|)} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {6578#true} is VALID [2022-02-20 21:10:35,333 INFO L290 TraceCheckUtils]: 49: Hoare triple {6578#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {6836#(or |aws_linked_list_is_valid_#t~short299#1| (<= |aws_linked_list_is_valid_#in~list#1.base| 0))} is VALID [2022-02-20 21:10:35,333 INFO L290 TraceCheckUtils]: 50: Hoare triple {6836#(or |aws_linked_list_is_valid_#t~short299#1| (<= |aws_linked_list_is_valid_#in~list#1.base| 0))} assume !#t~short299#1; {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:35,333 INFO L290 TraceCheckUtils]: 51: Hoare triple {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} #t~short301#1 := #t~short299#1; {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:35,334 INFO L290 TraceCheckUtils]: 52: Hoare triple {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short301#1; {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:35,334 INFO L290 TraceCheckUtils]: 53: Hoare triple {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} #t~short303#1 := #t~short301#1; {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:35,334 INFO L290 TraceCheckUtils]: 54: Hoare triple {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short303#1; {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:35,334 INFO L290 TraceCheckUtils]: 55: Hoare triple {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} #t~short305#1 := #t~short303#1; {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:35,335 INFO L290 TraceCheckUtils]: 56: Hoare triple {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short305#1; {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:35,335 INFO L290 TraceCheckUtils]: 57: Hoare triple {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:35,335 INFO L290 TraceCheckUtils]: 58: Hoare triple {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} assume true; {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} is VALID [2022-02-20 21:10:35,336 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {6840#(<= |aws_linked_list_is_valid_#in~list#1.base| 0)} {6781#(< 1 |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|)} #296#return; {6579#false} is VALID [2022-02-20 21:10:35,336 INFO L272 TraceCheckUtils]: 60: Hoare triple {6579#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {6579#false} is VALID [2022-02-20 21:10:35,336 INFO L290 TraceCheckUtils]: 61: Hoare triple {6579#false} ~cond := #in~cond; {6579#false} is VALID [2022-02-20 21:10:35,336 INFO L290 TraceCheckUtils]: 62: Hoare triple {6579#false} assume !(0 == ~cond % 256); {6579#false} is VALID [2022-02-20 21:10:35,337 INFO L290 TraceCheckUtils]: 63: Hoare triple {6579#false} assume true; {6579#false} is VALID [2022-02-20 21:10:35,337 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {6579#false} {6579#false} #298#return; {6579#false} is VALID [2022-02-20 21:10:35,337 INFO L290 TraceCheckUtils]: 65: Hoare triple {6579#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {6579#false} is VALID [2022-02-20 21:10:35,337 INFO L272 TraceCheckUtils]: 66: Hoare triple {6579#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {6579#false} is VALID [2022-02-20 21:10:35,337 INFO L290 TraceCheckUtils]: 67: Hoare triple {6579#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {6579#false} is VALID [2022-02-20 21:10:35,337 INFO L290 TraceCheckUtils]: 68: Hoare triple {6579#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {6579#false} is VALID [2022-02-20 21:10:35,337 INFO L290 TraceCheckUtils]: 69: Hoare triple {6579#false} #t~short301#1 := #t~short299#1; {6579#false} is VALID [2022-02-20 21:10:35,337 INFO L290 TraceCheckUtils]: 70: Hoare triple {6579#false} assume !#t~short301#1; {6579#false} is VALID [2022-02-20 21:10:35,337 INFO L290 TraceCheckUtils]: 71: Hoare triple {6579#false} #t~short303#1 := #t~short301#1; {6579#false} is VALID [2022-02-20 21:10:35,337 INFO L290 TraceCheckUtils]: 72: Hoare triple {6579#false} assume !#t~short303#1; {6579#false} is VALID [2022-02-20 21:10:35,338 INFO L290 TraceCheckUtils]: 73: Hoare triple {6579#false} #t~short305#1 := #t~short303#1; {6579#false} is VALID [2022-02-20 21:10:35,338 INFO L290 TraceCheckUtils]: 74: Hoare triple {6579#false} assume !#t~short305#1; {6579#false} is VALID [2022-02-20 21:10:35,338 INFO L290 TraceCheckUtils]: 75: Hoare triple {6579#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {6579#false} is VALID [2022-02-20 21:10:35,338 INFO L290 TraceCheckUtils]: 76: Hoare triple {6579#false} assume true; {6579#false} is VALID [2022-02-20 21:10:35,338 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {6579#false} {6579#false} #300#return; {6579#false} is VALID [2022-02-20 21:10:35,338 INFO L272 TraceCheckUtils]: 78: Hoare triple {6579#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {6579#false} is VALID [2022-02-20 21:10:35,338 INFO L290 TraceCheckUtils]: 79: Hoare triple {6579#false} ~cond := #in~cond; {6579#false} is VALID [2022-02-20 21:10:35,338 INFO L290 TraceCheckUtils]: 80: Hoare triple {6579#false} assume !(0 == ~cond % 256); {6579#false} is VALID [2022-02-20 21:10:35,338 INFO L290 TraceCheckUtils]: 81: Hoare triple {6579#false} assume true; {6579#false} is VALID [2022-02-20 21:10:35,338 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {6579#false} {6579#false} #302#return; {6579#false} is VALID [2022-02-20 21:10:35,339 INFO L290 TraceCheckUtils]: 83: Hoare triple {6579#false} havoc aws_linked_list_back_#t~ret389#1; {6579#false} is VALID [2022-02-20 21:10:35,339 INFO L272 TraceCheckUtils]: 84: Hoare triple {6579#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {6579#false} is VALID [2022-02-20 21:10:35,339 INFO L290 TraceCheckUtils]: 85: Hoare triple {6579#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6579#false} is VALID [2022-02-20 21:10:35,339 INFO L272 TraceCheckUtils]: 86: Hoare triple {6579#false} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {6579#false} is VALID [2022-02-20 21:10:35,339 INFO L290 TraceCheckUtils]: 87: Hoare triple {6579#false} ~cond := #in~cond; {6579#false} is VALID [2022-02-20 21:10:35,339 INFO L290 TraceCheckUtils]: 88: Hoare triple {6579#false} assume !(0 == ~cond % 256); {6579#false} is VALID [2022-02-20 21:10:35,339 INFO L290 TraceCheckUtils]: 89: Hoare triple {6579#false} assume true; {6579#false} is VALID [2022-02-20 21:10:35,339 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {6579#false} {6579#false} #338#return; {6579#false} is VALID [2022-02-20 21:10:35,339 INFO L290 TraceCheckUtils]: 91: Hoare triple {6579#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {6579#false} is VALID [2022-02-20 21:10:35,340 INFO L290 TraceCheckUtils]: 92: Hoare triple {6579#false} assume true; {6579#false} is VALID [2022-02-20 21:10:35,340 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {6579#false} {6579#false} #304#return; {6579#false} is VALID [2022-02-20 21:10:35,340 INFO L272 TraceCheckUtils]: 94: Hoare triple {6579#false} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {6579#false} is VALID [2022-02-20 21:10:35,340 INFO L290 TraceCheckUtils]: 95: Hoare triple {6579#false} ~cond := #in~cond; {6579#false} is VALID [2022-02-20 21:10:35,340 INFO L290 TraceCheckUtils]: 96: Hoare triple {6579#false} assume !(0 == ~cond % 256); {6579#false} is VALID [2022-02-20 21:10:35,340 INFO L290 TraceCheckUtils]: 97: Hoare triple {6579#false} assume true; {6579#false} is VALID [2022-02-20 21:10:35,340 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {6579#false} {6579#false} #306#return; {6579#false} is VALID [2022-02-20 21:10:35,340 INFO L290 TraceCheckUtils]: 99: Hoare triple {6579#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {6579#false} is VALID [2022-02-20 21:10:35,340 INFO L272 TraceCheckUtils]: 100: Hoare triple {6579#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {6579#false} is VALID [2022-02-20 21:10:35,340 INFO L290 TraceCheckUtils]: 101: Hoare triple {6579#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {6579#false} is VALID [2022-02-20 21:10:35,341 INFO L290 TraceCheckUtils]: 102: Hoare triple {6579#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {6579#false} is VALID [2022-02-20 21:10:35,341 INFO L290 TraceCheckUtils]: 103: Hoare triple {6579#false} #t~short301#1 := #t~short299#1; {6579#false} is VALID [2022-02-20 21:10:35,341 INFO L290 TraceCheckUtils]: 104: Hoare triple {6579#false} assume !#t~short301#1; {6579#false} is VALID [2022-02-20 21:10:35,341 INFO L290 TraceCheckUtils]: 105: Hoare triple {6579#false} #t~short303#1 := #t~short301#1; {6579#false} is VALID [2022-02-20 21:10:35,341 INFO L290 TraceCheckUtils]: 106: Hoare triple {6579#false} assume !#t~short303#1; {6579#false} is VALID [2022-02-20 21:10:35,341 INFO L290 TraceCheckUtils]: 107: Hoare triple {6579#false} #t~short305#1 := #t~short303#1; {6579#false} is VALID [2022-02-20 21:10:35,341 INFO L290 TraceCheckUtils]: 108: Hoare triple {6579#false} assume !#t~short305#1; {6579#false} is VALID [2022-02-20 21:10:35,341 INFO L290 TraceCheckUtils]: 109: Hoare triple {6579#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {6579#false} is VALID [2022-02-20 21:10:35,341 INFO L290 TraceCheckUtils]: 110: Hoare triple {6579#false} assume true; {6579#false} is VALID [2022-02-20 21:10:35,341 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {6579#false} {6579#false} #308#return; {6579#false} is VALID [2022-02-20 21:10:35,342 INFO L272 TraceCheckUtils]: 112: Hoare triple {6579#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {6579#false} is VALID [2022-02-20 21:10:35,342 INFO L290 TraceCheckUtils]: 113: Hoare triple {6579#false} ~cond := #in~cond; {6579#false} is VALID [2022-02-20 21:10:35,342 INFO L290 TraceCheckUtils]: 114: Hoare triple {6579#false} assume 0 == ~cond % 256; {6579#false} is VALID [2022-02-20 21:10:35,342 INFO L290 TraceCheckUtils]: 115: Hoare triple {6579#false} assume !false; {6579#false} is VALID [2022-02-20 21:10:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-02-20 21:10:35,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:35,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544499599] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:35,342 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 21:10:35,343 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-02-20 21:10:35,343 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778423890] [2022-02-20 21:10:35,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:35,343 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 116 [2022-02-20 21:10:35,344 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:35,344 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:35,402 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:35,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 21:10:35,402 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:35,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 21:10:35,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-02-20 21:10:35,403 INFO L87 Difference]: Start difference. First operand 218 states and 293 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:36,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:36,155 INFO L93 Difference]: Finished difference Result 403 states and 553 transitions. [2022-02-20 21:10:36,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 21:10:36,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 116 [2022-02-20 21:10:36,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:36,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 358 transitions. [2022-02-20 21:10:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:36,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 358 transitions. [2022-02-20 21:10:36,164 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 358 transitions. [2022-02-20 21:10:36,416 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 358 edges. 358 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:36,420 INFO L225 Difference]: With dead ends: 403 [2022-02-20 21:10:36,420 INFO L226 Difference]: Without dead ends: 226 [2022-02-20 21:10:36,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-02-20 21:10:36,422 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 227 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:36,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 604 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 21:10:36,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-02-20 21:10:36,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2022-02-20 21:10:36,508 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:36,508 INFO L82 GeneralOperation]: Start isEquivalent. First operand 226 states. Second operand has 226 states, 152 states have (on average 1.2105263157894737) internal successors, (184), 156 states have internal predecessors, (184), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (69), 53 states have call predecessors, (69), 54 states have call successors, (69) [2022-02-20 21:10:36,509 INFO L74 IsIncluded]: Start isIncluded. First operand 226 states. Second operand has 226 states, 152 states have (on average 1.2105263157894737) internal successors, (184), 156 states have internal predecessors, (184), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (69), 53 states have call predecessors, (69), 54 states have call successors, (69) [2022-02-20 21:10:36,509 INFO L87 Difference]: Start difference. First operand 226 states. Second operand has 226 states, 152 states have (on average 1.2105263157894737) internal successors, (184), 156 states have internal predecessors, (184), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (69), 53 states have call predecessors, (69), 54 states have call successors, (69) [2022-02-20 21:10:36,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:36,514 INFO L93 Difference]: Finished difference Result 226 states and 308 transitions. [2022-02-20 21:10:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 308 transitions. [2022-02-20 21:10:36,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:36,515 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:36,516 INFO L74 IsIncluded]: Start isIncluded. First operand has 226 states, 152 states have (on average 1.2105263157894737) internal successors, (184), 156 states have internal predecessors, (184), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (69), 53 states have call predecessors, (69), 54 states have call successors, (69) Second operand 226 states. [2022-02-20 21:10:36,516 INFO L87 Difference]: Start difference. First operand has 226 states, 152 states have (on average 1.2105263157894737) internal successors, (184), 156 states have internal predecessors, (184), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (69), 53 states have call predecessors, (69), 54 states have call successors, (69) Second operand 226 states. [2022-02-20 21:10:36,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:36,524 INFO L93 Difference]: Finished difference Result 226 states and 308 transitions. [2022-02-20 21:10:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 308 transitions. [2022-02-20 21:10:36,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:36,525 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:36,525 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:36,525 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:36,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 152 states have (on average 1.2105263157894737) internal successors, (184), 156 states have internal predecessors, (184), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (69), 53 states have call predecessors, (69), 54 states have call successors, (69) [2022-02-20 21:10:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 308 transitions. [2022-02-20 21:10:36,531 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 308 transitions. Word has length 116 [2022-02-20 21:10:36,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:36,531 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 308 transitions. [2022-02-20 21:10:36,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 308 transitions. [2022-02-20 21:10:36,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-02-20 21:10:36,533 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:36,533 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:36,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 21:10:36,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:36,752 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:36,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:36,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1492302642, now seen corresponding path program 1 times [2022-02-20 21:10:36,753 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:36,753 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58595461] [2022-02-20 21:10:36,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:36,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,847 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} #res := #t~nondet13;havoc #t~nondet13; {8345#true} is VALID [2022-02-20 21:10:36,847 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,847 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {8345#true} {8345#true} #284#return; {8345#true} is VALID [2022-02-20 21:10:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-02-20 21:10:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,852 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,852 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,852 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,853 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8345#true} {8345#true} #286#return; {8345#true} is VALID [2022-02-20 21:10:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-02-20 21:10:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,863 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,863 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,863 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,863 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8345#true} {8345#true} #338#return; {8345#true} is VALID [2022-02-20 21:10:36,863 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8345#true} is VALID [2022-02-20 21:10:36,863 INFO L272 TraceCheckUtils]: 1: Hoare triple {8345#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {8345#true} is VALID [2022-02-20 21:10:36,863 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,863 INFO L290 TraceCheckUtils]: 3: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,864 INFO L290 TraceCheckUtils]: 4: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,864 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {8345#true} {8345#true} #338#return; {8345#true} is VALID [2022-02-20 21:10:36,864 INFO L290 TraceCheckUtils]: 6: Hoare triple {8345#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {8345#true} is VALID [2022-02-20 21:10:36,864 INFO L290 TraceCheckUtils]: 7: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,864 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {8345#true} {8345#true} #288#return; {8345#true} is VALID [2022-02-20 21:10:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-02-20 21:10:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,869 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,869 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,869 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,869 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8345#true} {8345#true} #290#return; {8345#true} is VALID [2022-02-20 21:10:36,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-02-20 21:10:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,878 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,879 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,879 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,879 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8345#true} {8345#true} #338#return; {8345#true} is VALID [2022-02-20 21:10:36,879 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8345#true} is VALID [2022-02-20 21:10:36,879 INFO L272 TraceCheckUtils]: 1: Hoare triple {8345#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {8345#true} is VALID [2022-02-20 21:10:36,879 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,879 INFO L290 TraceCheckUtils]: 3: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,879 INFO L290 TraceCheckUtils]: 4: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,879 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {8345#true} {8345#true} #338#return; {8345#true} is VALID [2022-02-20 21:10:36,880 INFO L290 TraceCheckUtils]: 6: Hoare triple {8345#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {8345#true} is VALID [2022-02-20 21:10:36,880 INFO L290 TraceCheckUtils]: 7: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,880 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {8345#true} {8345#true} #292#return; {8345#true} is VALID [2022-02-20 21:10:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-02-20 21:10:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,884 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,885 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,885 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,885 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8345#true} {8345#true} #294#return; {8345#true} is VALID [2022-02-20 21:10:36,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-02-20 21:10:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,896 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,896 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,896 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} #t~short301#1 := #t~short299#1; {8345#true} is VALID [2022-02-20 21:10:36,897 INFO L290 TraceCheckUtils]: 3: Hoare triple {8345#true} assume !#t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,897 INFO L290 TraceCheckUtils]: 4: Hoare triple {8345#true} #t~short303#1 := #t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,897 INFO L290 TraceCheckUtils]: 5: Hoare triple {8345#true} assume !#t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,897 INFO L290 TraceCheckUtils]: 6: Hoare triple {8345#true} #t~short305#1 := #t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,897 INFO L290 TraceCheckUtils]: 7: Hoare triple {8345#true} assume !#t~short305#1; {8345#true} is VALID [2022-02-20 21:10:36,897 INFO L290 TraceCheckUtils]: 8: Hoare triple {8345#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {8443#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:10:36,898 INFO L290 TraceCheckUtils]: 9: Hoare triple {8443#(= 0 |aws_linked_list_is_valid_#res#1|)} assume true; {8443#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:10:36,898 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8443#(= 0 |aws_linked_list_is_valid_#res#1|)} {8345#true} #296#return; {8391#(= |ULTIMATE.start_aws_linked_list_pop_back_#t~ret396#1| 0)} is VALID [2022-02-20 21:10:36,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-02-20 21:10:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,921 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~cond := #in~cond; {8444#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:10:36,922 INFO L290 TraceCheckUtils]: 1: Hoare triple {8444#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond % 256); {8445#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:36,922 INFO L290 TraceCheckUtils]: 2: Hoare triple {8445#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} assume true; {8445#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:36,922 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8445#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} {8391#(= |ULTIMATE.start_aws_linked_list_pop_back_#t~ret396#1| 0)} #298#return; {8346#false} is VALID [2022-02-20 21:10:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-02-20 21:10:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,929 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,929 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,929 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} #t~short301#1 := #t~short299#1; {8345#true} is VALID [2022-02-20 21:10:36,930 INFO L290 TraceCheckUtils]: 3: Hoare triple {8345#true} assume !#t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,930 INFO L290 TraceCheckUtils]: 4: Hoare triple {8345#true} #t~short303#1 := #t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,930 INFO L290 TraceCheckUtils]: 5: Hoare triple {8345#true} assume !#t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,930 INFO L290 TraceCheckUtils]: 6: Hoare triple {8345#true} #t~short305#1 := #t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,930 INFO L290 TraceCheckUtils]: 7: Hoare triple {8345#true} assume !#t~short305#1; {8345#true} is VALID [2022-02-20 21:10:36,930 INFO L290 TraceCheckUtils]: 8: Hoare triple {8345#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {8345#true} is VALID [2022-02-20 21:10:36,930 INFO L290 TraceCheckUtils]: 9: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,930 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8345#true} {8346#false} #300#return; {8346#false} is VALID [2022-02-20 21:10:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-02-20 21:10:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,935 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,935 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,936 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,936 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8345#true} {8346#false} #302#return; {8346#false} is VALID [2022-02-20 21:10:36,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-02-20 21:10:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:10:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,947 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,947 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,947 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,947 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8345#true} {8345#true} #338#return; {8345#true} is VALID [2022-02-20 21:10:36,947 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8345#true} is VALID [2022-02-20 21:10:36,947 INFO L272 TraceCheckUtils]: 1: Hoare triple {8345#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {8345#true} is VALID [2022-02-20 21:10:36,948 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,948 INFO L290 TraceCheckUtils]: 3: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,948 INFO L290 TraceCheckUtils]: 4: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,948 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {8345#true} {8345#true} #338#return; {8345#true} is VALID [2022-02-20 21:10:36,948 INFO L290 TraceCheckUtils]: 6: Hoare triple {8345#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {8345#true} is VALID [2022-02-20 21:10:36,948 INFO L290 TraceCheckUtils]: 7: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,948 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {8345#true} {8346#false} #304#return; {8346#false} is VALID [2022-02-20 21:10:36,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-02-20 21:10:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,953 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,954 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,954 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,954 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8345#true} {8346#false} #306#return; {8346#false} is VALID [2022-02-20 21:10:36,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-02-20 21:10:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:36,960 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,960 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,960 INFO L290 TraceCheckUtils]: 2: Hoare triple {8345#true} #t~short301#1 := #t~short299#1; {8345#true} is VALID [2022-02-20 21:10:36,960 INFO L290 TraceCheckUtils]: 3: Hoare triple {8345#true} assume !#t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,960 INFO L290 TraceCheckUtils]: 4: Hoare triple {8345#true} #t~short303#1 := #t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,961 INFO L290 TraceCheckUtils]: 5: Hoare triple {8345#true} assume !#t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,961 INFO L290 TraceCheckUtils]: 6: Hoare triple {8345#true} #t~short305#1 := #t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,961 INFO L290 TraceCheckUtils]: 7: Hoare triple {8345#true} assume !#t~short305#1; {8345#true} is VALID [2022-02-20 21:10:36,961 INFO L290 TraceCheckUtils]: 8: Hoare triple {8345#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {8345#true} is VALID [2022-02-20 21:10:36,961 INFO L290 TraceCheckUtils]: 9: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,961 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {8345#true} {8346#false} #308#return; {8346#false} is VALID [2022-02-20 21:10:36,961 INFO L290 TraceCheckUtils]: 0: Hoare triple {8345#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(35, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, 8 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 16 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, 24 + ~#s_can_fail_allocator_static~0.offset, 8);call write~init~$Pointer$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {8345#true} is VALID [2022-02-20 21:10:36,961 INFO L290 TraceCheckUtils]: 1: Hoare triple {8345#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {8345#true} is VALID [2022-02-20 21:10:36,961 INFO L272 TraceCheckUtils]: 2: Hoare triple {8345#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {8345#true} is VALID [2022-02-20 21:10:36,961 INFO L290 TraceCheckUtils]: 3: Hoare triple {8345#true} #res := #t~nondet13;havoc #t~nondet13; {8345#true} is VALID [2022-02-20 21:10:36,962 INFO L290 TraceCheckUtils]: 4: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,962 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {8345#true} {8345#true} #284#return; {8345#true} is VALID [2022-02-20 21:10:36,962 INFO L290 TraceCheckUtils]: 6: Hoare triple {8345#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {8345#true} is VALID [2022-02-20 21:10:36,962 INFO L272 TraceCheckUtils]: 7: Hoare triple {8345#true} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {8345#true} is VALID [2022-02-20 21:10:36,962 INFO L290 TraceCheckUtils]: 8: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,962 INFO L290 TraceCheckUtils]: 9: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,962 INFO L290 TraceCheckUtils]: 10: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,962 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {8345#true} {8345#true} #286#return; {8345#true} is VALID [2022-02-20 21:10:36,962 INFO L290 TraceCheckUtils]: 12: Hoare triple {8345#true} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {8345#true} is VALID [2022-02-20 21:10:36,963 INFO L290 TraceCheckUtils]: 13: Hoare triple {8345#true} assume !!(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616);call ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset := #Ultimate.allocOnHeap(16);ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset := ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset;havoc ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset;call write~$Pointer$(ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~node~0#1.base, 8 + ensure_linked_list_is_allocated_~node~0#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset; {8345#true} is VALID [2022-02-20 21:10:36,963 INFO L290 TraceCheckUtils]: 14: Hoare triple {8345#true} ensure_linked_list_is_allocated_#t~post548#1 := ensure_linked_list_is_allocated_~i~1#1;ensure_linked_list_is_allocated_~i~1#1 := 1 + ensure_linked_list_is_allocated_#t~post548#1;havoc ensure_linked_list_is_allocated_#t~post548#1; {8345#true} is VALID [2022-02-20 21:10:36,963 INFO L290 TraceCheckUtils]: 15: Hoare triple {8345#true} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {8345#true} is VALID [2022-02-20 21:10:36,963 INFO L290 TraceCheckUtils]: 16: Hoare triple {8345#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {8345#true} is VALID [2022-02-20 21:10:36,963 INFO L290 TraceCheckUtils]: 17: Hoare triple {8345#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {8345#true} is VALID [2022-02-20 21:10:36,963 INFO L272 TraceCheckUtils]: 18: Hoare triple {8345#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {8345#true} is VALID [2022-02-20 21:10:36,963 INFO L290 TraceCheckUtils]: 19: Hoare triple {8345#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8345#true} is VALID [2022-02-20 21:10:36,963 INFO L272 TraceCheckUtils]: 20: Hoare triple {8345#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {8345#true} is VALID [2022-02-20 21:10:36,963 INFO L290 TraceCheckUtils]: 21: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,963 INFO L290 TraceCheckUtils]: 22: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,964 INFO L290 TraceCheckUtils]: 23: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,964 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {8345#true} {8345#true} #338#return; {8345#true} is VALID [2022-02-20 21:10:36,964 INFO L290 TraceCheckUtils]: 25: Hoare triple {8345#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {8345#true} is VALID [2022-02-20 21:10:36,964 INFO L290 TraceCheckUtils]: 26: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,964 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {8345#true} {8345#true} #288#return; {8345#true} is VALID [2022-02-20 21:10:36,964 INFO L272 TraceCheckUtils]: 28: Hoare triple {8345#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_harness_#t~ret678#1 % 256 then 1 else 0) then 0 else 1)); {8345#true} is VALID [2022-02-20 21:10:36,964 INFO L290 TraceCheckUtils]: 29: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,964 INFO L290 TraceCheckUtils]: 30: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,964 INFO L290 TraceCheckUtils]: 31: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,964 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8345#true} {8345#true} #290#return; {8345#true} is VALID [2022-02-20 21:10:36,965 INFO L290 TraceCheckUtils]: 33: Hoare triple {8345#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, 24 + aws_linked_list_pop_back_harness_~#list~0#1.offset, 8);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, 8 + aws_linked_list_pop_back_harness_#t~mem679#1.offset, 8);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {8345#true} is VALID [2022-02-20 21:10:36,965 INFO L272 TraceCheckUtils]: 34: Hoare triple {8345#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {8345#true} is VALID [2022-02-20 21:10:36,965 INFO L290 TraceCheckUtils]: 35: Hoare triple {8345#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8345#true} is VALID [2022-02-20 21:10:36,965 INFO L272 TraceCheckUtils]: 36: Hoare triple {8345#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {8345#true} is VALID [2022-02-20 21:10:36,965 INFO L290 TraceCheckUtils]: 37: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,965 INFO L290 TraceCheckUtils]: 38: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,965 INFO L290 TraceCheckUtils]: 39: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,965 INFO L284 TraceCheckUtils]: 40: Hoare quadruple {8345#true} {8345#true} #338#return; {8345#true} is VALID [2022-02-20 21:10:36,965 INFO L290 TraceCheckUtils]: 41: Hoare triple {8345#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {8345#true} is VALID [2022-02-20 21:10:36,965 INFO L290 TraceCheckUtils]: 42: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,966 INFO L284 TraceCheckUtils]: 43: Hoare quadruple {8345#true} {8345#true} #292#return; {8345#true} is VALID [2022-02-20 21:10:36,966 INFO L272 TraceCheckUtils]: 44: Hoare triple {8345#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_pop_back_#t~ret395#1 % 256 then 1 else 0) then 0 else 1)); {8345#true} is VALID [2022-02-20 21:10:36,966 INFO L290 TraceCheckUtils]: 45: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,966 INFO L290 TraceCheckUtils]: 46: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,966 INFO L290 TraceCheckUtils]: 47: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,966 INFO L284 TraceCheckUtils]: 48: Hoare quadruple {8345#true} {8345#true} #294#return; {8345#true} is VALID [2022-02-20 21:10:36,966 INFO L290 TraceCheckUtils]: 49: Hoare triple {8345#true} havoc aws_linked_list_pop_back_#t~ret395#1; {8345#true} is VALID [2022-02-20 21:10:36,966 INFO L272 TraceCheckUtils]: 50: Hoare triple {8345#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {8345#true} is VALID [2022-02-20 21:10:36,966 INFO L290 TraceCheckUtils]: 51: Hoare triple {8345#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,966 INFO L290 TraceCheckUtils]: 52: Hoare triple {8345#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,967 INFO L290 TraceCheckUtils]: 53: Hoare triple {8345#true} #t~short301#1 := #t~short299#1; {8345#true} is VALID [2022-02-20 21:10:36,967 INFO L290 TraceCheckUtils]: 54: Hoare triple {8345#true} assume !#t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,967 INFO L290 TraceCheckUtils]: 55: Hoare triple {8345#true} #t~short303#1 := #t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,967 INFO L290 TraceCheckUtils]: 56: Hoare triple {8345#true} assume !#t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,967 INFO L290 TraceCheckUtils]: 57: Hoare triple {8345#true} #t~short305#1 := #t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,967 INFO L290 TraceCheckUtils]: 58: Hoare triple {8345#true} assume !#t~short305#1; {8345#true} is VALID [2022-02-20 21:10:36,967 INFO L290 TraceCheckUtils]: 59: Hoare triple {8345#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {8443#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:10:36,968 INFO L290 TraceCheckUtils]: 60: Hoare triple {8443#(= 0 |aws_linked_list_is_valid_#res#1|)} assume true; {8443#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:10:36,968 INFO L284 TraceCheckUtils]: 61: Hoare quadruple {8443#(= 0 |aws_linked_list_is_valid_#res#1|)} {8345#true} #296#return; {8391#(= |ULTIMATE.start_aws_linked_list_pop_back_#t~ret396#1| 0)} is VALID [2022-02-20 21:10:36,968 INFO L272 TraceCheckUtils]: 62: Hoare triple {8391#(= |ULTIMATE.start_aws_linked_list_pop_back_#t~ret396#1| 0)} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {8345#true} is VALID [2022-02-20 21:10:36,969 INFO L290 TraceCheckUtils]: 63: Hoare triple {8345#true} ~cond := #in~cond; {8444#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:10:36,969 INFO L290 TraceCheckUtils]: 64: Hoare triple {8444#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond % 256); {8445#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:36,970 INFO L290 TraceCheckUtils]: 65: Hoare triple {8445#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} assume true; {8445#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:36,970 INFO L284 TraceCheckUtils]: 66: Hoare quadruple {8445#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} {8391#(= |ULTIMATE.start_aws_linked_list_pop_back_#t~ret396#1| 0)} #298#return; {8346#false} is VALID [2022-02-20 21:10:36,970 INFO L290 TraceCheckUtils]: 67: Hoare triple {8346#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {8346#false} is VALID [2022-02-20 21:10:36,970 INFO L272 TraceCheckUtils]: 68: Hoare triple {8346#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {8345#true} is VALID [2022-02-20 21:10:36,970 INFO L290 TraceCheckUtils]: 69: Hoare triple {8345#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,970 INFO L290 TraceCheckUtils]: 70: Hoare triple {8345#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,971 INFO L290 TraceCheckUtils]: 71: Hoare triple {8345#true} #t~short301#1 := #t~short299#1; {8345#true} is VALID [2022-02-20 21:10:36,971 INFO L290 TraceCheckUtils]: 72: Hoare triple {8345#true} assume !#t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,971 INFO L290 TraceCheckUtils]: 73: Hoare triple {8345#true} #t~short303#1 := #t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,971 INFO L290 TraceCheckUtils]: 74: Hoare triple {8345#true} assume !#t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,971 INFO L290 TraceCheckUtils]: 75: Hoare triple {8345#true} #t~short305#1 := #t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,971 INFO L290 TraceCheckUtils]: 76: Hoare triple {8345#true} assume !#t~short305#1; {8345#true} is VALID [2022-02-20 21:10:36,971 INFO L290 TraceCheckUtils]: 77: Hoare triple {8345#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {8345#true} is VALID [2022-02-20 21:10:36,971 INFO L290 TraceCheckUtils]: 78: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,971 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {8345#true} {8346#false} #300#return; {8346#false} is VALID [2022-02-20 21:10:36,971 INFO L272 TraceCheckUtils]: 80: Hoare triple {8346#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {8345#true} is VALID [2022-02-20 21:10:36,972 INFO L290 TraceCheckUtils]: 81: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,972 INFO L290 TraceCheckUtils]: 82: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,972 INFO L290 TraceCheckUtils]: 83: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,972 INFO L284 TraceCheckUtils]: 84: Hoare quadruple {8345#true} {8346#false} #302#return; {8346#false} is VALID [2022-02-20 21:10:36,972 INFO L290 TraceCheckUtils]: 85: Hoare triple {8346#false} havoc aws_linked_list_back_#t~ret389#1; {8346#false} is VALID [2022-02-20 21:10:36,972 INFO L272 TraceCheckUtils]: 86: Hoare triple {8346#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {8345#true} is VALID [2022-02-20 21:10:36,972 INFO L290 TraceCheckUtils]: 87: Hoare triple {8345#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8345#true} is VALID [2022-02-20 21:10:36,972 INFO L272 TraceCheckUtils]: 88: Hoare triple {8345#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {8345#true} is VALID [2022-02-20 21:10:36,972 INFO L290 TraceCheckUtils]: 89: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,972 INFO L290 TraceCheckUtils]: 90: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,972 INFO L290 TraceCheckUtils]: 91: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,973 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {8345#true} {8345#true} #338#return; {8345#true} is VALID [2022-02-20 21:10:36,973 INFO L290 TraceCheckUtils]: 93: Hoare triple {8345#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {8345#true} is VALID [2022-02-20 21:10:36,973 INFO L290 TraceCheckUtils]: 94: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,973 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {8345#true} {8346#false} #304#return; {8346#false} is VALID [2022-02-20 21:10:36,973 INFO L272 TraceCheckUtils]: 96: Hoare triple {8346#false} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_#t~ret390#1 % 256 then 1 else 0) then 0 else 1)); {8345#true} is VALID [2022-02-20 21:10:36,973 INFO L290 TraceCheckUtils]: 97: Hoare triple {8345#true} ~cond := #in~cond; {8345#true} is VALID [2022-02-20 21:10:36,973 INFO L290 TraceCheckUtils]: 98: Hoare triple {8345#true} assume !(0 == ~cond % 256); {8345#true} is VALID [2022-02-20 21:10:36,973 INFO L290 TraceCheckUtils]: 99: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,973 INFO L284 TraceCheckUtils]: 100: Hoare quadruple {8345#true} {8346#false} #306#return; {8346#false} is VALID [2022-02-20 21:10:36,973 INFO L290 TraceCheckUtils]: 101: Hoare triple {8346#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, 24 + aws_linked_list_back_~list#1.offset, 8);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {8346#false} is VALID [2022-02-20 21:10:36,974 INFO L272 TraceCheckUtils]: 102: Hoare triple {8346#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {8345#true} is VALID [2022-02-20 21:10:36,974 INFO L290 TraceCheckUtils]: 103: Hoare triple {8345#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,974 INFO L290 TraceCheckUtils]: 104: Hoare triple {8345#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {8345#true} is VALID [2022-02-20 21:10:36,974 INFO L290 TraceCheckUtils]: 105: Hoare triple {8345#true} #t~short301#1 := #t~short299#1; {8345#true} is VALID [2022-02-20 21:10:36,974 INFO L290 TraceCheckUtils]: 106: Hoare triple {8345#true} assume !#t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,974 INFO L290 TraceCheckUtils]: 107: Hoare triple {8345#true} #t~short303#1 := #t~short301#1; {8345#true} is VALID [2022-02-20 21:10:36,974 INFO L290 TraceCheckUtils]: 108: Hoare triple {8345#true} assume !#t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,974 INFO L290 TraceCheckUtils]: 109: Hoare triple {8345#true} #t~short305#1 := #t~short303#1; {8345#true} is VALID [2022-02-20 21:10:36,974 INFO L290 TraceCheckUtils]: 110: Hoare triple {8345#true} assume !#t~short305#1; {8345#true} is VALID [2022-02-20 21:10:36,974 INFO L290 TraceCheckUtils]: 111: Hoare triple {8345#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {8345#true} is VALID [2022-02-20 21:10:36,975 INFO L290 TraceCheckUtils]: 112: Hoare triple {8345#true} assume true; {8345#true} is VALID [2022-02-20 21:10:36,975 INFO L284 TraceCheckUtils]: 113: Hoare quadruple {8345#true} {8346#false} #308#return; {8346#false} is VALID [2022-02-20 21:10:36,975 INFO L272 TraceCheckUtils]: 114: Hoare triple {8346#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {8346#false} is VALID [2022-02-20 21:10:36,975 INFO L290 TraceCheckUtils]: 115: Hoare triple {8346#false} ~cond := #in~cond; {8346#false} is VALID [2022-02-20 21:10:36,975 INFO L290 TraceCheckUtils]: 116: Hoare triple {8346#false} assume 0 == ~cond % 256; {8346#false} is VALID [2022-02-20 21:10:36,975 INFO L290 TraceCheckUtils]: 117: Hoare triple {8346#false} assume !false; {8346#false} is VALID [2022-02-20 21:10:36,975 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-02-20 21:10:36,976 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:36,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58595461] [2022-02-20 21:10:36,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58595461] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:10:36,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500817403] [2022-02-20 21:10:36,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:36,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:36,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:10:36,977 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 21:10:36,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 21:10:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:37,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 57 conjunts are in the unsatisfiable core [2022-02-20 21:10:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:37,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:37,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 21:10:37,364 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 21:10:37,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 21:10:37,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 21:10:37,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 21:10:37,451 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-20 21:10:37,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 21:10:37,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:37,670 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_#memory_$Pointer$.base_45| at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:285) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:427) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:154) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:142) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:124) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:110) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:95) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:90) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:904) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:865) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:783) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:425) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-20 21:10:37,674 INFO L158 Benchmark]: Toolchain (without parser) took 24684.31ms. Allocated memory was 123.7MB in the beginning and 325.1MB in the end (delta: 201.3MB). Free memory was 87.7MB in the beginning and 255.6MB in the end (delta: -167.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-02-20 21:10:37,674 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 88.1MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 77.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 21:10:37,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1452.72ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 87.4MB in the beginning and 105.2MB in the end (delta: -17.9MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2022-02-20 21:10:37,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.13ms. Allocated memory is still 178.3MB. Free memory was 105.2MB in the beginning and 99.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 21:10:37,676 INFO L158 Benchmark]: Boogie Preprocessor took 40.07ms. Allocated memory is still 178.3MB. Free memory was 99.0MB in the beginning and 93.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 21:10:37,677 INFO L158 Benchmark]: RCFGBuilder took 607.73ms. Allocated memory is still 178.3MB. Free memory was 93.8MB in the beginning and 115.1MB in the end (delta: -21.3MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-02-20 21:10:37,677 INFO L158 Benchmark]: TraceAbstraction took 22501.60ms. Allocated memory was 178.3MB in the beginning and 325.1MB in the end (delta: 146.8MB). Free memory was 115.1MB in the beginning and 255.6MB in the end (delta: -140.5MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-02-20 21:10:37,678 INFO L339 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 0.15ms. Allocated memory is still 88.1MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 77.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1452.72ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 87.4MB in the beginning and 105.2MB in the end (delta: -17.9MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.13ms. Allocated memory is still 178.3MB. Free memory was 105.2MB in the beginning and 99.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.07ms. Allocated memory is still 178.3MB. Free memory was 99.0MB in the beginning and 93.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 607.73ms. Allocated memory is still 178.3MB. Free memory was 93.8MB in the beginning and 115.1MB in the end (delta: -21.3MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * TraceAbstraction took 22501.60ms. Allocated memory was 178.3MB in the beginning and 325.1MB in the end (delta: 146.8MB). Free memory was 115.1MB in the beginning and 255.6MB in the end (delta: -140.5MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_#memory_$Pointer$.base_45| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_#memory_$Pointer$.base_45|: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:285) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-20 21:10:37,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 21:10:39,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 21:10:39,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 21:10:39,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 21:10:39,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 21:10:39,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 21:10:39,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 21:10:39,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 21:10:39,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 21:10:39,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 21:10:39,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 21:10:39,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 21:10:39,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 21:10:39,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 21:10:39,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 21:10:39,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 21:10:39,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 21:10:39,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 21:10:39,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 21:10:39,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 21:10:39,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 21:10:39,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 21:10:39,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 21:10:39,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 21:10:39,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 21:10:39,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 21:10:39,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 21:10:39,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 21:10:39,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 21:10:39,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 21:10:39,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 21:10:39,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 21:10:39,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 21:10:39,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 21:10:39,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 21:10:39,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 21:10:39,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 21:10:39,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 21:10:39,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 21:10:39,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 21:10:39,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 21:10:39,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-02-20 21:10:39,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 21:10:39,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 21:10:39,327 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 21:10:39,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 21:10:39,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 21:10:39,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 21:10:39,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 21:10:39,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 21:10:39,329 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 21:10:39,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 21:10:39,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 21:10:39,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 21:10:39,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 21:10:39,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 21:10:39,330 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 21:10:39,330 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 21:10:39,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 21:10:39,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 21:10:39,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 21:10:39,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 21:10:39,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 21:10:39,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 21:10:39,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 21:10:39,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:10:39,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 21:10:39,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 21:10:39,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 21:10:39,331 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 21:10:39,331 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 21:10:39,331 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 21:10:39,331 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 21:10:39,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 21:10:39,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 21:10:39,332 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 [2022-02-20 21:10:39,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 21:10:39,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 21:10:39,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 21:10:39,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 21:10:39,619 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 21:10:39,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2022-02-20 21:10:39,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbcd569b/1a002ccb46aa42d9beb320f93db729f7/FLAG9ffd4da3d [2022-02-20 21:10:40,207 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 21:10:40,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2022-02-20 21:10:40,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbcd569b/1a002ccb46aa42d9beb320f93db729f7/FLAG9ffd4da3d [2022-02-20 21:10:40,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbcd569b/1a002ccb46aa42d9beb320f93db729f7 [2022-02-20 21:10:40,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 21:10:40,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 21:10:40,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 21:10:40,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 21:10:40,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 21:10:40,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:10:40" (1/1) ... [2022-02-20 21:10:40,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3b345a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:40, skipping insertion in model container [2022-02-20 21:10:40,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:10:40" (1/1) ... [2022-02-20 21:10:40,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 21:10:40,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 21:10:41,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2022-02-20 21:10:41,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2022-02-20 21:10:41,504 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,507 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,508 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,508 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,509 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,520 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,523 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,527 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,528 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,531 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,532 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,533 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,534 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,756 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-02-20 21:10:41,757 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-02-20 21:10:41,758 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-02-20 21:10:41,759 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-02-20 21:10:41,760 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-02-20 21:10:41,760 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-02-20 21:10:41,762 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-02-20 21:10:41,764 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-02-20 21:10:41,764 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-02-20 21:10:41,768 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-02-20 21:10:41,854 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-02-20 21:10:41,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:10:41,900 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-02-20 21:10:41,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 21:10:41,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2022-02-20 21:10:41,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2022-02-20 21:10:41,946 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,947 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,947 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,947 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,948 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,952 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,952 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,953 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,953 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,954 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,954 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,954 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,955 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:41,982 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-02-20 21:10:41,983 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-02-20 21:10:41,983 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-02-20 21:10:41,984 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-02-20 21:10:41,985 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-02-20 21:10:41,985 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-02-20 21:10:41,985 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-02-20 21:10:41,986 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-02-20 21:10:41,986 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-02-20 21:10:41,987 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-02-20 21:10:42,009 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-02-20 21:10:42,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:10:42,035 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 21:10:42,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2022-02-20 21:10:42,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2022-02-20 21:10:42,080 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,080 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,080 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,081 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,081 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,096 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,097 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,097 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,097 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,098 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,098 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,098 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,098 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:42,126 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-02-20 21:10:42,127 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-02-20 21:10:42,127 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-02-20 21:10:42,128 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-02-20 21:10:42,128 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-02-20 21:10:42,129 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-02-20 21:10:42,129 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-02-20 21:10:42,129 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-02-20 21:10:42,129 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-02-20 21:10:42,129 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-02-20 21:10:42,150 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-02-20 21:10:42,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:10:42,364 INFO L208 MainTranslator]: Completed translation [2022-02-20 21:10:42,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42 WrapperNode [2022-02-20 21:10:42,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 21:10:42,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 21:10:42,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 21:10:42,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 21:10:42,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42" (1/1) ... [2022-02-20 21:10:42,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42" (1/1) ... [2022-02-20 21:10:42,482 INFO L137 Inliner]: procedures = 698, calls = 1046, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 226 [2022-02-20 21:10:42,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 21:10:42,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 21:10:42,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 21:10:42,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 21:10:42,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42" (1/1) ... [2022-02-20 21:10:42,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42" (1/1) ... [2022-02-20 21:10:42,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42" (1/1) ... [2022-02-20 21:10:42,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42" (1/1) ... [2022-02-20 21:10:42,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42" (1/1) ... [2022-02-20 21:10:42,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42" (1/1) ... [2022-02-20 21:10:42,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42" (1/1) ... [2022-02-20 21:10:42,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 21:10:42,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 21:10:42,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 21:10:42,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 21:10:42,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42" (1/1) ... [2022-02-20 21:10:42,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:10:42,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:10:42,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 21:10:42,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 21:10:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-02-20 21:10:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-02-20 21:10:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_remove [2022-02-20 21:10:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_remove [2022-02-20 21:10:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 21:10:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 21:10:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-20 21:10:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-20 21:10:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2022-02-20 21:10:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2022-02-20 21:10:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 21:10:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2022-02-20 21:10:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2022-02-20 21:10:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 21:10:42,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 21:10:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 21:10:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 21:10:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-02-20 21:10:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2022-02-20 21:10:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2022-02-20 21:10:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-02-20 21:10:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-02-20 21:10:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 21:10:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 21:10:42,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 21:10:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 21:10:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 21:10:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-02-20 21:10:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-02-20 21:10:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2022-02-20 21:10:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2022-02-20 21:10:42,846 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 21:10:42,847 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 21:10:43,280 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 21:10:43,285 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 21:10:43,296 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-02-20 21:10:43,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:10:43 BoogieIcfgContainer [2022-02-20 21:10:43,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 21:10:43,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 21:10:43,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 21:10:43,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 21:10:43,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 09:10:40" (1/3) ... [2022-02-20 21:10:43,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e29e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:10:43, skipping insertion in model container [2022-02-20 21:10:43,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:42" (2/3) ... [2022-02-20 21:10:43,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e29e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:10:43, skipping insertion in model container [2022-02-20 21:10:43,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:10:43" (3/3) ... [2022-02-20 21:10:43,303 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_pop_back_harness.i [2022-02-20 21:10:43,306 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 21:10:43,319 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 21:10:43,366 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 21:10:43,376 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 21:10:43,376 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 21:10:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 89 states have (on average 1.303370786516854) internal successors, (116), 90 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-02-20 21:10:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-20 21:10:43,404 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:43,405 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:43,405 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:43,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:43,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1579343520, now seen corresponding path program 1 times [2022-02-20 21:10:43,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 21:10:43,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736781456] [2022-02-20 21:10:43,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:43,423 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 21:10:43,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 21:10:43,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 21:10:43,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 21:10:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:43,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 21:10:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:43,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:43,937 INFO L290 TraceCheckUtils]: 0: Hoare triple {140#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv64, 0bv64;assume 0bv1 == #valid[0bv64];assume ~bvult64(0bv64, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv64, 1bv64);call write~init~intINTTYPE1(48bv8, 1bv64, 0bv64, 1bv64);call write~init~intINTTYPE1(0bv8, 1bv64, 1bv64, 1bv64);call #Ultimate.allocInit(35bv64, 2bv64);call #Ultimate.allocInit(12bv64, 3bv64);call #Ultimate.allocInit(78bv64, 4bv64);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5bv64, 0bv64;call #Ultimate.allocInit(40bv64, 5bv64);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(8bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(16bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(24bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#s_can_fail_allocator_static~0.base, ~bvadd64(32bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);~tl_last_error~0 := 0bv32; {140#true} is VALID [2022-02-20 21:10:43,937 INFO L290 TraceCheckUtils]: 1: Hoare triple {140#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32bv64);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20bv64;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {140#true} is VALID [2022-02-20 21:10:43,937 INFO L272 TraceCheckUtils]: 2: Hoare triple {140#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {140#true} is VALID [2022-02-20 21:10:43,937 INFO L290 TraceCheckUtils]: 3: Hoare triple {140#true} #res := #t~nondet13;havoc #t~nondet13; {140#true} is VALID [2022-02-20 21:10:43,938 INFO L290 TraceCheckUtils]: 4: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:43,938 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {140#true} {140#true} #284#return; {140#true} is VALID [2022-02-20 21:10:43,938 INFO L290 TraceCheckUtils]: 6: Hoare triple {140#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {140#true} is VALID [2022-02-20 21:10:43,938 INFO L272 TraceCheckUtils]: 7: Hoare triple {140#true} call assume_abort_if_not((if 0bv32 == (if ~bvule64(ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~max_length#1) then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {140#true} is VALID [2022-02-20 21:10:43,939 INFO L290 TraceCheckUtils]: 8: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:43,939 INFO L290 TraceCheckUtils]: 9: Hoare triple {140#true} assume !(0bv8 == ~cond); {140#true} is VALID [2022-02-20 21:10:43,939 INFO L290 TraceCheckUtils]: 10: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:43,939 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {140#true} {140#true} #286#return; {140#true} is VALID [2022-02-20 21:10:43,939 INFO L290 TraceCheckUtils]: 12: Hoare triple {140#true} call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(8bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0bv64; {140#true} is VALID [2022-02-20 21:10:43,940 INFO L290 TraceCheckUtils]: 13: Hoare triple {140#true} assume !~bvult64(ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~length~1#1); {140#true} is VALID [2022-02-20 21:10:43,940 INFO L290 TraceCheckUtils]: 14: Hoare triple {140#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8bv64);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(24bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64); {140#true} is VALID [2022-02-20 21:10:43,940 INFO L290 TraceCheckUtils]: 15: Hoare triple {140#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {140#true} is VALID [2022-02-20 21:10:43,940 INFO L272 TraceCheckUtils]: 16: Hoare triple {140#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {140#true} is VALID [2022-02-20 21:10:43,940 INFO L290 TraceCheckUtils]: 17: Hoare triple {140#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {140#true} is VALID [2022-02-20 21:10:43,940 INFO L272 TraceCheckUtils]: 18: Hoare triple {140#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {140#true} is VALID [2022-02-20 21:10:43,941 INFO L290 TraceCheckUtils]: 19: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:43,941 INFO L290 TraceCheckUtils]: 20: Hoare triple {140#true} assume !(0bv8 == ~cond); {140#true} is VALID [2022-02-20 21:10:43,941 INFO L290 TraceCheckUtils]: 21: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:43,941 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:43,941 INFO L290 TraceCheckUtils]: 23: Hoare triple {140#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {140#true} is VALID [2022-02-20 21:10:43,942 INFO L290 TraceCheckUtils]: 24: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:43,942 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {140#true} {140#true} #288#return; {140#true} is VALID [2022-02-20 21:10:43,942 INFO L272 TraceCheckUtils]: 26: Hoare triple {140#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_harness_#t~ret678#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {140#true} is VALID [2022-02-20 21:10:43,942 INFO L290 TraceCheckUtils]: 27: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:43,942 INFO L290 TraceCheckUtils]: 28: Hoare triple {140#true} assume !(0bv8 == ~cond); {140#true} is VALID [2022-02-20 21:10:43,943 INFO L290 TraceCheckUtils]: 29: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:43,943 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {140#true} {140#true} #290#return; {140#true} is VALID [2022-02-20 21:10:43,943 INFO L290 TraceCheckUtils]: 31: Hoare triple {140#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, ~bvadd64(24bv64, aws_linked_list_pop_back_harness_~#list~0#1.offset), 8bv64);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, ~bvadd64(8bv64, aws_linked_list_pop_back_harness_#t~mem679#1.offset), 8bv64);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {140#true} is VALID [2022-02-20 21:10:43,943 INFO L272 TraceCheckUtils]: 32: Hoare triple {140#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {140#true} is VALID [2022-02-20 21:10:43,943 INFO L290 TraceCheckUtils]: 33: Hoare triple {140#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {140#true} is VALID [2022-02-20 21:10:43,943 INFO L272 TraceCheckUtils]: 34: Hoare triple {140#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {140#true} is VALID [2022-02-20 21:10:43,944 INFO L290 TraceCheckUtils]: 35: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:43,944 INFO L290 TraceCheckUtils]: 36: Hoare triple {140#true} assume !(0bv8 == ~cond); {140#true} is VALID [2022-02-20 21:10:43,944 INFO L290 TraceCheckUtils]: 37: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:43,944 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {140#true} {140#true} #338#return; {140#true} is VALID [2022-02-20 21:10:43,944 INFO L290 TraceCheckUtils]: 39: Hoare triple {140#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {140#true} is VALID [2022-02-20 21:10:43,945 INFO L290 TraceCheckUtils]: 40: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:43,945 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {140#true} {140#true} #292#return; {140#true} is VALID [2022-02-20 21:10:43,945 INFO L272 TraceCheckUtils]: 42: Hoare triple {140#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_#t~ret395#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {140#true} is VALID [2022-02-20 21:10:43,945 INFO L290 TraceCheckUtils]: 43: Hoare triple {140#true} ~cond := #in~cond; {140#true} is VALID [2022-02-20 21:10:43,945 INFO L290 TraceCheckUtils]: 44: Hoare triple {140#true} assume !(0bv8 == ~cond); {140#true} is VALID [2022-02-20 21:10:43,945 INFO L290 TraceCheckUtils]: 45: Hoare triple {140#true} assume true; {140#true} is VALID [2022-02-20 21:10:43,946 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {140#true} {140#true} #294#return; {140#true} is VALID [2022-02-20 21:10:43,946 INFO L290 TraceCheckUtils]: 47: Hoare triple {140#true} havoc aws_linked_list_pop_back_#t~ret395#1; {140#true} is VALID [2022-02-20 21:10:43,946 INFO L272 TraceCheckUtils]: 48: Hoare triple {140#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {140#true} is VALID [2022-02-20 21:10:43,946 INFO L290 TraceCheckUtils]: 49: Hoare triple {140#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {140#true} is VALID [2022-02-20 21:10:43,946 INFO L290 TraceCheckUtils]: 50: Hoare triple {140#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {140#true} is VALID [2022-02-20 21:10:43,947 INFO L290 TraceCheckUtils]: 51: Hoare triple {140#true} #t~short301#1 := #t~short299#1; {140#true} is VALID [2022-02-20 21:10:43,947 INFO L290 TraceCheckUtils]: 52: Hoare triple {140#true} assume !#t~short301#1; {301#(not |aws_linked_list_is_valid_#t~short301#1|)} is VALID [2022-02-20 21:10:43,948 INFO L290 TraceCheckUtils]: 53: Hoare triple {301#(not |aws_linked_list_is_valid_#t~short301#1|)} #t~short303#1 := #t~short301#1; {305#(not |aws_linked_list_is_valid_#t~short303#1|)} is VALID [2022-02-20 21:10:43,948 INFO L290 TraceCheckUtils]: 54: Hoare triple {305#(not |aws_linked_list_is_valid_#t~short303#1|)} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(24bv64, ~list#1.offset), 8bv64);#t~short303#1 := #t~mem302#1.base != 0bv64 || #t~mem302#1.offset != 0bv64; {141#false} is VALID [2022-02-20 21:10:43,948 INFO L290 TraceCheckUtils]: 55: Hoare triple {141#false} #t~short305#1 := #t~short303#1; {141#false} is VALID [2022-02-20 21:10:43,949 INFO L290 TraceCheckUtils]: 56: Hoare triple {141#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {141#false} is VALID [2022-02-20 21:10:43,949 INFO L290 TraceCheckUtils]: 57: Hoare triple {141#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {141#false} is VALID [2022-02-20 21:10:43,949 INFO L290 TraceCheckUtils]: 58: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:43,949 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {141#false} {140#true} #296#return; {141#false} is VALID [2022-02-20 21:10:43,949 INFO L272 TraceCheckUtils]: 60: Hoare triple {141#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {141#false} is VALID [2022-02-20 21:10:43,950 INFO L290 TraceCheckUtils]: 61: Hoare triple {141#false} ~cond := #in~cond; {141#false} is VALID [2022-02-20 21:10:43,950 INFO L290 TraceCheckUtils]: 62: Hoare triple {141#false} assume !(0bv8 == ~cond); {141#false} is VALID [2022-02-20 21:10:43,950 INFO L290 TraceCheckUtils]: 63: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:43,950 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {141#false} {141#false} #298#return; {141#false} is VALID [2022-02-20 21:10:43,950 INFO L290 TraceCheckUtils]: 65: Hoare triple {141#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {141#false} is VALID [2022-02-20 21:10:43,950 INFO L272 TraceCheckUtils]: 66: Hoare triple {141#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {141#false} is VALID [2022-02-20 21:10:43,951 INFO L290 TraceCheckUtils]: 67: Hoare triple {141#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {141#false} is VALID [2022-02-20 21:10:43,951 INFO L290 TraceCheckUtils]: 68: Hoare triple {141#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {141#false} is VALID [2022-02-20 21:10:43,951 INFO L290 TraceCheckUtils]: 69: Hoare triple {141#false} #t~short301#1 := #t~short299#1; {141#false} is VALID [2022-02-20 21:10:43,951 INFO L290 TraceCheckUtils]: 70: Hoare triple {141#false} assume !#t~short301#1; {141#false} is VALID [2022-02-20 21:10:43,951 INFO L290 TraceCheckUtils]: 71: Hoare triple {141#false} #t~short303#1 := #t~short301#1; {141#false} is VALID [2022-02-20 21:10:43,952 INFO L290 TraceCheckUtils]: 72: Hoare triple {141#false} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(24bv64, ~list#1.offset), 8bv64);#t~short303#1 := #t~mem302#1.base != 0bv64 || #t~mem302#1.offset != 0bv64; {141#false} is VALID [2022-02-20 21:10:43,952 INFO L290 TraceCheckUtils]: 73: Hoare triple {141#false} #t~short305#1 := #t~short303#1; {141#false} is VALID [2022-02-20 21:10:43,952 INFO L290 TraceCheckUtils]: 74: Hoare triple {141#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {141#false} is VALID [2022-02-20 21:10:43,952 INFO L290 TraceCheckUtils]: 75: Hoare triple {141#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {141#false} is VALID [2022-02-20 21:10:43,952 INFO L290 TraceCheckUtils]: 76: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:43,952 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {141#false} {141#false} #300#return; {141#false} is VALID [2022-02-20 21:10:43,953 INFO L272 TraceCheckUtils]: 78: Hoare triple {141#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {141#false} is VALID [2022-02-20 21:10:43,953 INFO L290 TraceCheckUtils]: 79: Hoare triple {141#false} ~cond := #in~cond; {141#false} is VALID [2022-02-20 21:10:43,953 INFO L290 TraceCheckUtils]: 80: Hoare triple {141#false} assume !(0bv8 == ~cond); {141#false} is VALID [2022-02-20 21:10:43,953 INFO L290 TraceCheckUtils]: 81: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:43,954 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {141#false} {141#false} #302#return; {141#false} is VALID [2022-02-20 21:10:43,954 INFO L290 TraceCheckUtils]: 83: Hoare triple {141#false} havoc aws_linked_list_back_#t~ret389#1; {141#false} is VALID [2022-02-20 21:10:43,954 INFO L272 TraceCheckUtils]: 84: Hoare triple {141#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {141#false} is VALID [2022-02-20 21:10:43,954 INFO L290 TraceCheckUtils]: 85: Hoare triple {141#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {141#false} is VALID [2022-02-20 21:10:43,954 INFO L272 TraceCheckUtils]: 86: Hoare triple {141#false} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {141#false} is VALID [2022-02-20 21:10:43,954 INFO L290 TraceCheckUtils]: 87: Hoare triple {141#false} ~cond := #in~cond; {141#false} is VALID [2022-02-20 21:10:43,955 INFO L290 TraceCheckUtils]: 88: Hoare triple {141#false} assume !(0bv8 == ~cond); {141#false} is VALID [2022-02-20 21:10:43,955 INFO L290 TraceCheckUtils]: 89: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:43,955 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {141#false} {141#false} #338#return; {141#false} is VALID [2022-02-20 21:10:43,955 INFO L290 TraceCheckUtils]: 91: Hoare triple {141#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {141#false} is VALID [2022-02-20 21:10:43,955 INFO L290 TraceCheckUtils]: 92: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:43,955 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {141#false} {141#false} #304#return; {141#false} is VALID [2022-02-20 21:10:43,956 INFO L272 TraceCheckUtils]: 94: Hoare triple {141#false} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_back_#t~ret390#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {141#false} is VALID [2022-02-20 21:10:43,956 INFO L290 TraceCheckUtils]: 95: Hoare triple {141#false} ~cond := #in~cond; {141#false} is VALID [2022-02-20 21:10:43,956 INFO L290 TraceCheckUtils]: 96: Hoare triple {141#false} assume !(0bv8 == ~cond); {141#false} is VALID [2022-02-20 21:10:43,956 INFO L290 TraceCheckUtils]: 97: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:43,957 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {141#false} {141#false} #306#return; {141#false} is VALID [2022-02-20 21:10:43,957 INFO L290 TraceCheckUtils]: 99: Hoare triple {141#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, ~bvadd64(24bv64, aws_linked_list_back_~list#1.offset), 8bv64);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {141#false} is VALID [2022-02-20 21:10:43,957 INFO L272 TraceCheckUtils]: 100: Hoare triple {141#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {141#false} is VALID [2022-02-20 21:10:43,957 INFO L290 TraceCheckUtils]: 101: Hoare triple {141#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {141#false} is VALID [2022-02-20 21:10:43,957 INFO L290 TraceCheckUtils]: 102: Hoare triple {141#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {141#false} is VALID [2022-02-20 21:10:43,957 INFO L290 TraceCheckUtils]: 103: Hoare triple {141#false} #t~short301#1 := #t~short299#1; {141#false} is VALID [2022-02-20 21:10:43,958 INFO L290 TraceCheckUtils]: 104: Hoare triple {141#false} assume !#t~short301#1; {141#false} is VALID [2022-02-20 21:10:43,958 INFO L290 TraceCheckUtils]: 105: Hoare triple {141#false} #t~short303#1 := #t~short301#1; {141#false} is VALID [2022-02-20 21:10:43,958 INFO L290 TraceCheckUtils]: 106: Hoare triple {141#false} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(24bv64, ~list#1.offset), 8bv64);#t~short303#1 := #t~mem302#1.base != 0bv64 || #t~mem302#1.offset != 0bv64; {141#false} is VALID [2022-02-20 21:10:43,958 INFO L290 TraceCheckUtils]: 107: Hoare triple {141#false} #t~short305#1 := #t~short303#1; {141#false} is VALID [2022-02-20 21:10:43,958 INFO L290 TraceCheckUtils]: 108: Hoare triple {141#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {141#false} is VALID [2022-02-20 21:10:43,959 INFO L290 TraceCheckUtils]: 109: Hoare triple {141#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {141#false} is VALID [2022-02-20 21:10:43,959 INFO L290 TraceCheckUtils]: 110: Hoare triple {141#false} assume true; {141#false} is VALID [2022-02-20 21:10:43,959 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {141#false} {141#false} #308#return; {141#false} is VALID [2022-02-20 21:10:43,959 INFO L272 TraceCheckUtils]: 112: Hoare triple {141#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {141#false} is VALID [2022-02-20 21:10:43,959 INFO L290 TraceCheckUtils]: 113: Hoare triple {141#false} ~cond := #in~cond; {141#false} is VALID [2022-02-20 21:10:43,959 INFO L290 TraceCheckUtils]: 114: Hoare triple {141#false} assume 0bv8 == ~cond; {141#false} is VALID [2022-02-20 21:10:43,960 INFO L290 TraceCheckUtils]: 115: Hoare triple {141#false} assume !false; {141#false} is VALID [2022-02-20 21:10:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-02-20 21:10:43,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:43,961 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 21:10:43,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736781456] [2022-02-20 21:10:43,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736781456] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:43,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:10:43,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 21:10:43,963 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387014623] [2022-02-20 21:10:43,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:43,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2022-02-20 21:10:43,969 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:43,971 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:44,066 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:44,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 21:10:44,067 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 21:10:44,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 21:10:44,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 21:10:44,083 INFO L87 Difference]: Start difference. First operand has 137 states, 89 states have (on average 1.303370786516854) internal successors, (116), 90 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:44,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:44,665 INFO L93 Difference]: Finished difference Result 274 states and 414 transitions. [2022-02-20 21:10:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 21:10:44,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2022-02-20 21:10:44,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 414 transitions. [2022-02-20 21:10:44,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 414 transitions. [2022-02-20 21:10:44,704 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 414 transitions. [2022-02-20 21:10:45,150 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 414 edges. 414 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:45,162 INFO L225 Difference]: With dead ends: 274 [2022-02-20 21:10:45,163 INFO L226 Difference]: Without dead ends: 140 [2022-02-20 21:10:45,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 21:10:45,174 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 12 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:45,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 536 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:10:45,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-02-20 21:10:45,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 134. [2022-02-20 21:10:45,209 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:45,210 INFO L82 GeneralOperation]: Start isEquivalent. First operand 140 states. Second operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:45,211 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:45,213 INFO L87 Difference]: Start difference. First operand 140 states. Second operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:45,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:45,227 INFO L93 Difference]: Finished difference Result 140 states and 190 transitions. [2022-02-20 21:10:45,227 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2022-02-20 21:10:45,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:45,229 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:45,230 INFO L74 IsIncluded]: Start isIncluded. First operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand 140 states. [2022-02-20 21:10:45,230 INFO L87 Difference]: Start difference. First operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand 140 states. [2022-02-20 21:10:45,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:45,238 INFO L93 Difference]: Finished difference Result 140 states and 190 transitions. [2022-02-20 21:10:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2022-02-20 21:10:45,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:45,240 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:45,240 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:45,240 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.244186046511628) internal successors, (107), 87 states have internal predecessors, (107), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:45,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 180 transitions. [2022-02-20 21:10:45,257 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 180 transitions. Word has length 116 [2022-02-20 21:10:45,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:45,261 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 180 transitions. [2022-02-20 21:10:45,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:45,262 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 180 transitions. [2022-02-20 21:10:45,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-20 21:10:45,263 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:45,263 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:45,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-02-20 21:10:45,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 21:10:45,476 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:45,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:45,477 INFO L85 PathProgramCache]: Analyzing trace with hash -183799078, now seen corresponding path program 1 times [2022-02-20 21:10:45,480 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 21:10:45,480 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580471849] [2022-02-20 21:10:45,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:45,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 21:10:45,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 21:10:45,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 21:10:45,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-02-20 21:10:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:45,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-20 21:10:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:45,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:45,926 INFO L290 TraceCheckUtils]: 0: Hoare triple {1342#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv64, 0bv64;assume 0bv1 == #valid[0bv64];assume ~bvult64(0bv64, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv64, 1bv64);call write~init~intINTTYPE1(48bv8, 1bv64, 0bv64, 1bv64);call write~init~intINTTYPE1(0bv8, 1bv64, 1bv64, 1bv64);call #Ultimate.allocInit(35bv64, 2bv64);call #Ultimate.allocInit(12bv64, 3bv64);call #Ultimate.allocInit(78bv64, 4bv64);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5bv64, 0bv64;call #Ultimate.allocInit(40bv64, 5bv64);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(8bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(16bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(24bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#s_can_fail_allocator_static~0.base, ~bvadd64(32bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);~tl_last_error~0 := 0bv32; {1342#true} is VALID [2022-02-20 21:10:45,927 INFO L290 TraceCheckUtils]: 1: Hoare triple {1342#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32bv64);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20bv64;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {1342#true} is VALID [2022-02-20 21:10:45,937 INFO L272 TraceCheckUtils]: 2: Hoare triple {1342#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {1342#true} is VALID [2022-02-20 21:10:45,937 INFO L290 TraceCheckUtils]: 3: Hoare triple {1342#true} #res := #t~nondet13;havoc #t~nondet13; {1342#true} is VALID [2022-02-20 21:10:45,937 INFO L290 TraceCheckUtils]: 4: Hoare triple {1342#true} assume true; {1342#true} is VALID [2022-02-20 21:10:45,937 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1342#true} {1342#true} #284#return; {1342#true} is VALID [2022-02-20 21:10:45,938 INFO L290 TraceCheckUtils]: 6: Hoare triple {1342#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {1342#true} is VALID [2022-02-20 21:10:45,938 INFO L272 TraceCheckUtils]: 7: Hoare triple {1342#true} call assume_abort_if_not((if 0bv32 == (if ~bvule64(ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~max_length#1) then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {1342#true} is VALID [2022-02-20 21:10:45,938 INFO L290 TraceCheckUtils]: 8: Hoare triple {1342#true} ~cond := #in~cond; {1342#true} is VALID [2022-02-20 21:10:45,938 INFO L290 TraceCheckUtils]: 9: Hoare triple {1342#true} assume !(0bv8 == ~cond); {1342#true} is VALID [2022-02-20 21:10:45,938 INFO L290 TraceCheckUtils]: 10: Hoare triple {1342#true} assume true; {1342#true} is VALID [2022-02-20 21:10:45,938 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {1342#true} {1342#true} #286#return; {1342#true} is VALID [2022-02-20 21:10:45,939 INFO L290 TraceCheckUtils]: 12: Hoare triple {1342#true} call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(8bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0bv64; {1342#true} is VALID [2022-02-20 21:10:45,939 INFO L290 TraceCheckUtils]: 13: Hoare triple {1342#true} assume !~bvult64(ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~length~1#1); {1342#true} is VALID [2022-02-20 21:10:45,939 INFO L290 TraceCheckUtils]: 14: Hoare triple {1342#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8bv64);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(24bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64); {1342#true} is VALID [2022-02-20 21:10:45,939 INFO L290 TraceCheckUtils]: 15: Hoare triple {1342#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {1342#true} is VALID [2022-02-20 21:10:45,939 INFO L272 TraceCheckUtils]: 16: Hoare triple {1342#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {1342#true} is VALID [2022-02-20 21:10:45,939 INFO L290 TraceCheckUtils]: 17: Hoare triple {1342#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1342#true} is VALID [2022-02-20 21:10:45,940 INFO L272 TraceCheckUtils]: 18: Hoare triple {1342#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {1342#true} is VALID [2022-02-20 21:10:45,940 INFO L290 TraceCheckUtils]: 19: Hoare triple {1342#true} ~cond := #in~cond; {1342#true} is VALID [2022-02-20 21:10:45,940 INFO L290 TraceCheckUtils]: 20: Hoare triple {1342#true} assume !(0bv8 == ~cond); {1342#true} is VALID [2022-02-20 21:10:45,940 INFO L290 TraceCheckUtils]: 21: Hoare triple {1342#true} assume true; {1342#true} is VALID [2022-02-20 21:10:45,940 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1342#true} {1342#true} #338#return; {1342#true} is VALID [2022-02-20 21:10:45,940 INFO L290 TraceCheckUtils]: 23: Hoare triple {1342#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {1342#true} is VALID [2022-02-20 21:10:45,941 INFO L290 TraceCheckUtils]: 24: Hoare triple {1342#true} assume true; {1342#true} is VALID [2022-02-20 21:10:45,941 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {1342#true} {1342#true} #288#return; {1342#true} is VALID [2022-02-20 21:10:45,941 INFO L272 TraceCheckUtils]: 26: Hoare triple {1342#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_harness_#t~ret678#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {1342#true} is VALID [2022-02-20 21:10:45,941 INFO L290 TraceCheckUtils]: 27: Hoare triple {1342#true} ~cond := #in~cond; {1342#true} is VALID [2022-02-20 21:10:45,941 INFO L290 TraceCheckUtils]: 28: Hoare triple {1342#true} assume !(0bv8 == ~cond); {1342#true} is VALID [2022-02-20 21:10:45,941 INFO L290 TraceCheckUtils]: 29: Hoare triple {1342#true} assume true; {1342#true} is VALID [2022-02-20 21:10:45,942 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1342#true} {1342#true} #290#return; {1342#true} is VALID [2022-02-20 21:10:45,942 INFO L290 TraceCheckUtils]: 31: Hoare triple {1342#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, ~bvadd64(24bv64, aws_linked_list_pop_back_harness_~#list~0#1.offset), 8bv64);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, ~bvadd64(8bv64, aws_linked_list_pop_back_harness_#t~mem679#1.offset), 8bv64);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {1342#true} is VALID [2022-02-20 21:10:45,942 INFO L272 TraceCheckUtils]: 32: Hoare triple {1342#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {1342#true} is VALID [2022-02-20 21:10:45,942 INFO L290 TraceCheckUtils]: 33: Hoare triple {1342#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1342#true} is VALID [2022-02-20 21:10:45,942 INFO L272 TraceCheckUtils]: 34: Hoare triple {1342#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {1342#true} is VALID [2022-02-20 21:10:45,942 INFO L290 TraceCheckUtils]: 35: Hoare triple {1342#true} ~cond := #in~cond; {1342#true} is VALID [2022-02-20 21:10:45,943 INFO L290 TraceCheckUtils]: 36: Hoare triple {1342#true} assume !(0bv8 == ~cond); {1342#true} is VALID [2022-02-20 21:10:45,943 INFO L290 TraceCheckUtils]: 37: Hoare triple {1342#true} assume true; {1342#true} is VALID [2022-02-20 21:10:45,943 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {1342#true} {1342#true} #338#return; {1342#true} is VALID [2022-02-20 21:10:45,943 INFO L290 TraceCheckUtils]: 39: Hoare triple {1342#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {1342#true} is VALID [2022-02-20 21:10:45,943 INFO L290 TraceCheckUtils]: 40: Hoare triple {1342#true} assume true; {1342#true} is VALID [2022-02-20 21:10:45,943 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {1342#true} {1342#true} #292#return; {1342#true} is VALID [2022-02-20 21:10:45,944 INFO L272 TraceCheckUtils]: 42: Hoare triple {1342#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_#t~ret395#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {1342#true} is VALID [2022-02-20 21:10:45,944 INFO L290 TraceCheckUtils]: 43: Hoare triple {1342#true} ~cond := #in~cond; {1342#true} is VALID [2022-02-20 21:10:45,944 INFO L290 TraceCheckUtils]: 44: Hoare triple {1342#true} assume !(0bv8 == ~cond); {1342#true} is VALID [2022-02-20 21:10:45,944 INFO L290 TraceCheckUtils]: 45: Hoare triple {1342#true} assume true; {1342#true} is VALID [2022-02-20 21:10:45,944 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {1342#true} {1342#true} #294#return; {1342#true} is VALID [2022-02-20 21:10:45,944 INFO L290 TraceCheckUtils]: 47: Hoare triple {1342#true} havoc aws_linked_list_pop_back_#t~ret395#1; {1342#true} is VALID [2022-02-20 21:10:45,944 INFO L272 TraceCheckUtils]: 48: Hoare triple {1342#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {1342#true} is VALID [2022-02-20 21:10:45,945 INFO L290 TraceCheckUtils]: 49: Hoare triple {1342#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {1342#true} is VALID [2022-02-20 21:10:45,945 INFO L290 TraceCheckUtils]: 50: Hoare triple {1342#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {1342#true} is VALID [2022-02-20 21:10:45,945 INFO L290 TraceCheckUtils]: 51: Hoare triple {1342#true} #t~short301#1 := #t~short299#1; {1342#true} is VALID [2022-02-20 21:10:45,945 INFO L290 TraceCheckUtils]: 52: Hoare triple {1342#true} assume !#t~short301#1; {1503#(not |aws_linked_list_is_valid_#t~short301#1|)} is VALID [2022-02-20 21:10:45,946 INFO L290 TraceCheckUtils]: 53: Hoare triple {1503#(not |aws_linked_list_is_valid_#t~short301#1|)} #t~short303#1 := #t~short301#1; {1507#(not |aws_linked_list_is_valid_#t~short303#1|)} is VALID [2022-02-20 21:10:45,946 INFO L290 TraceCheckUtils]: 54: Hoare triple {1507#(not |aws_linked_list_is_valid_#t~short303#1|)} assume !#t~short303#1; {1507#(not |aws_linked_list_is_valid_#t~short303#1|)} is VALID [2022-02-20 21:10:45,947 INFO L290 TraceCheckUtils]: 55: Hoare triple {1507#(not |aws_linked_list_is_valid_#t~short303#1|)} #t~short305#1 := #t~short303#1; {1514#(not |aws_linked_list_is_valid_#t~short305#1|)} is VALID [2022-02-20 21:10:45,947 INFO L290 TraceCheckUtils]: 56: Hoare triple {1514#(not |aws_linked_list_is_valid_#t~short305#1|)} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {1343#false} is VALID [2022-02-20 21:10:45,947 INFO L290 TraceCheckUtils]: 57: Hoare triple {1343#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {1343#false} is VALID [2022-02-20 21:10:45,947 INFO L290 TraceCheckUtils]: 58: Hoare triple {1343#false} assume true; {1343#false} is VALID [2022-02-20 21:10:45,947 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {1343#false} {1342#true} #296#return; {1343#false} is VALID [2022-02-20 21:10:45,948 INFO L272 TraceCheckUtils]: 60: Hoare triple {1343#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {1343#false} is VALID [2022-02-20 21:10:45,948 INFO L290 TraceCheckUtils]: 61: Hoare triple {1343#false} ~cond := #in~cond; {1343#false} is VALID [2022-02-20 21:10:45,948 INFO L290 TraceCheckUtils]: 62: Hoare triple {1343#false} assume !(0bv8 == ~cond); {1343#false} is VALID [2022-02-20 21:10:45,948 INFO L290 TraceCheckUtils]: 63: Hoare triple {1343#false} assume true; {1343#false} is VALID [2022-02-20 21:10:45,948 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {1343#false} {1343#false} #298#return; {1343#false} is VALID [2022-02-20 21:10:45,948 INFO L290 TraceCheckUtils]: 65: Hoare triple {1343#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {1343#false} is VALID [2022-02-20 21:10:45,949 INFO L272 TraceCheckUtils]: 66: Hoare triple {1343#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {1343#false} is VALID [2022-02-20 21:10:45,949 INFO L290 TraceCheckUtils]: 67: Hoare triple {1343#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {1343#false} is VALID [2022-02-20 21:10:45,949 INFO L290 TraceCheckUtils]: 68: Hoare triple {1343#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {1343#false} is VALID [2022-02-20 21:10:45,949 INFO L290 TraceCheckUtils]: 69: Hoare triple {1343#false} #t~short301#1 := #t~short299#1; {1343#false} is VALID [2022-02-20 21:10:45,949 INFO L290 TraceCheckUtils]: 70: Hoare triple {1343#false} assume !#t~short301#1; {1343#false} is VALID [2022-02-20 21:10:45,949 INFO L290 TraceCheckUtils]: 71: Hoare triple {1343#false} #t~short303#1 := #t~short301#1; {1343#false} is VALID [2022-02-20 21:10:45,950 INFO L290 TraceCheckUtils]: 72: Hoare triple {1343#false} assume !#t~short303#1; {1343#false} is VALID [2022-02-20 21:10:45,950 INFO L290 TraceCheckUtils]: 73: Hoare triple {1343#false} #t~short305#1 := #t~short303#1; {1343#false} is VALID [2022-02-20 21:10:45,950 INFO L290 TraceCheckUtils]: 74: Hoare triple {1343#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {1343#false} is VALID [2022-02-20 21:10:45,950 INFO L290 TraceCheckUtils]: 75: Hoare triple {1343#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {1343#false} is VALID [2022-02-20 21:10:45,950 INFO L290 TraceCheckUtils]: 76: Hoare triple {1343#false} assume true; {1343#false} is VALID [2022-02-20 21:10:45,950 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {1343#false} {1343#false} #300#return; {1343#false} is VALID [2022-02-20 21:10:45,950 INFO L272 TraceCheckUtils]: 78: Hoare triple {1343#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {1343#false} is VALID [2022-02-20 21:10:45,951 INFO L290 TraceCheckUtils]: 79: Hoare triple {1343#false} ~cond := #in~cond; {1343#false} is VALID [2022-02-20 21:10:45,951 INFO L290 TraceCheckUtils]: 80: Hoare triple {1343#false} assume !(0bv8 == ~cond); {1343#false} is VALID [2022-02-20 21:10:45,951 INFO L290 TraceCheckUtils]: 81: Hoare triple {1343#false} assume true; {1343#false} is VALID [2022-02-20 21:10:45,951 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {1343#false} {1343#false} #302#return; {1343#false} is VALID [2022-02-20 21:10:45,951 INFO L290 TraceCheckUtils]: 83: Hoare triple {1343#false} havoc aws_linked_list_back_#t~ret389#1; {1343#false} is VALID [2022-02-20 21:10:45,951 INFO L272 TraceCheckUtils]: 84: Hoare triple {1343#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {1343#false} is VALID [2022-02-20 21:10:45,951 INFO L290 TraceCheckUtils]: 85: Hoare triple {1343#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1343#false} is VALID [2022-02-20 21:10:45,952 INFO L272 TraceCheckUtils]: 86: Hoare triple {1343#false} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {1343#false} is VALID [2022-02-20 21:10:45,952 INFO L290 TraceCheckUtils]: 87: Hoare triple {1343#false} ~cond := #in~cond; {1343#false} is VALID [2022-02-20 21:10:45,952 INFO L290 TraceCheckUtils]: 88: Hoare triple {1343#false} assume !(0bv8 == ~cond); {1343#false} is VALID [2022-02-20 21:10:45,952 INFO L290 TraceCheckUtils]: 89: Hoare triple {1343#false} assume true; {1343#false} is VALID [2022-02-20 21:10:45,952 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {1343#false} {1343#false} #338#return; {1343#false} is VALID [2022-02-20 21:10:45,952 INFO L290 TraceCheckUtils]: 91: Hoare triple {1343#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {1343#false} is VALID [2022-02-20 21:10:45,953 INFO L290 TraceCheckUtils]: 92: Hoare triple {1343#false} assume true; {1343#false} is VALID [2022-02-20 21:10:45,953 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {1343#false} {1343#false} #304#return; {1343#false} is VALID [2022-02-20 21:10:45,953 INFO L272 TraceCheckUtils]: 94: Hoare triple {1343#false} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_back_#t~ret390#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {1343#false} is VALID [2022-02-20 21:10:45,953 INFO L290 TraceCheckUtils]: 95: Hoare triple {1343#false} ~cond := #in~cond; {1343#false} is VALID [2022-02-20 21:10:45,953 INFO L290 TraceCheckUtils]: 96: Hoare triple {1343#false} assume !(0bv8 == ~cond); {1343#false} is VALID [2022-02-20 21:10:45,953 INFO L290 TraceCheckUtils]: 97: Hoare triple {1343#false} assume true; {1343#false} is VALID [2022-02-20 21:10:45,953 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {1343#false} {1343#false} #306#return; {1343#false} is VALID [2022-02-20 21:10:45,954 INFO L290 TraceCheckUtils]: 99: Hoare triple {1343#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, ~bvadd64(24bv64, aws_linked_list_back_~list#1.offset), 8bv64);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {1343#false} is VALID [2022-02-20 21:10:45,954 INFO L272 TraceCheckUtils]: 100: Hoare triple {1343#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {1343#false} is VALID [2022-02-20 21:10:45,954 INFO L290 TraceCheckUtils]: 101: Hoare triple {1343#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {1343#false} is VALID [2022-02-20 21:10:45,954 INFO L290 TraceCheckUtils]: 102: Hoare triple {1343#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {1343#false} is VALID [2022-02-20 21:10:45,954 INFO L290 TraceCheckUtils]: 103: Hoare triple {1343#false} #t~short301#1 := #t~short299#1; {1343#false} is VALID [2022-02-20 21:10:45,954 INFO L290 TraceCheckUtils]: 104: Hoare triple {1343#false} assume !#t~short301#1; {1343#false} is VALID [2022-02-20 21:10:45,955 INFO L290 TraceCheckUtils]: 105: Hoare triple {1343#false} #t~short303#1 := #t~short301#1; {1343#false} is VALID [2022-02-20 21:10:45,955 INFO L290 TraceCheckUtils]: 106: Hoare triple {1343#false} assume !#t~short303#1; {1343#false} is VALID [2022-02-20 21:10:45,955 INFO L290 TraceCheckUtils]: 107: Hoare triple {1343#false} #t~short305#1 := #t~short303#1; {1343#false} is VALID [2022-02-20 21:10:45,955 INFO L290 TraceCheckUtils]: 108: Hoare triple {1343#false} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {1343#false} is VALID [2022-02-20 21:10:45,955 INFO L290 TraceCheckUtils]: 109: Hoare triple {1343#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {1343#false} is VALID [2022-02-20 21:10:45,955 INFO L290 TraceCheckUtils]: 110: Hoare triple {1343#false} assume true; {1343#false} is VALID [2022-02-20 21:10:45,955 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {1343#false} {1343#false} #308#return; {1343#false} is VALID [2022-02-20 21:10:45,956 INFO L272 TraceCheckUtils]: 112: Hoare triple {1343#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {1343#false} is VALID [2022-02-20 21:10:45,956 INFO L290 TraceCheckUtils]: 113: Hoare triple {1343#false} ~cond := #in~cond; {1343#false} is VALID [2022-02-20 21:10:45,956 INFO L290 TraceCheckUtils]: 114: Hoare triple {1343#false} assume 0bv8 == ~cond; {1343#false} is VALID [2022-02-20 21:10:45,956 INFO L290 TraceCheckUtils]: 115: Hoare triple {1343#false} assume !false; {1343#false} is VALID [2022-02-20 21:10:45,956 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-02-20 21:10:45,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:45,957 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 21:10:45,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580471849] [2022-02-20 21:10:45,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580471849] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:45,957 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:10:45,957 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 21:10:45,957 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307307988] [2022-02-20 21:10:45,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:45,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2022-02-20 21:10:45,960 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:45,960 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:46,027 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:46,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 21:10:46,027 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 21:10:46,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 21:10:46,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 21:10:46,028 INFO L87 Difference]: Start difference. First operand 134 states and 180 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:46,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:46,690 INFO L93 Difference]: Finished difference Result 255 states and 350 transitions. [2022-02-20 21:10:46,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 21:10:46,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2022-02-20 21:10:46,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:46,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 348 transitions. [2022-02-20 21:10:46,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 348 transitions. [2022-02-20 21:10:46,708 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 348 transitions. [2022-02-20 21:10:46,971 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 348 edges. 348 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:46,974 INFO L225 Difference]: With dead ends: 255 [2022-02-20 21:10:46,974 INFO L226 Difference]: Without dead ends: 141 [2022-02-20 21:10:46,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-20 21:10:46,975 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 9 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:46,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 688 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:10:46,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-02-20 21:10:46,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 137. [2022-02-20 21:10:46,990 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:46,990 INFO L82 GeneralOperation]: Start isEquivalent. First operand 141 states. Second operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:46,991 INFO L74 IsIncluded]: Start isIncluded. First operand 141 states. Second operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:46,991 INFO L87 Difference]: Start difference. First operand 141 states. Second operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:47,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:47,006 INFO L93 Difference]: Finished difference Result 141 states and 187 transitions. [2022-02-20 21:10:47,007 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 187 transitions. [2022-02-20 21:10:47,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:47,008 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:47,009 INFO L74 IsIncluded]: Start isIncluded. First operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand 141 states. [2022-02-20 21:10:47,016 INFO L87 Difference]: Start difference. First operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand 141 states. [2022-02-20 21:10:47,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:47,021 INFO L93 Difference]: Finished difference Result 141 states and 187 transitions. [2022-02-20 21:10:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 187 transitions. [2022-02-20 21:10:47,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:47,038 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:47,038 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:47,038 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:47,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 89 states have (on average 1.2359550561797752) internal successors, (110), 90 states have internal predecessors, (110), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-02-20 21:10:47,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 183 transitions. [2022-02-20 21:10:47,043 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 183 transitions. Word has length 116 [2022-02-20 21:10:47,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:47,043 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 183 transitions. [2022-02-20 21:10:47,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-02-20 21:10:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 183 transitions. [2022-02-20 21:10:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-20 21:10:47,049 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:47,049 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:47,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-02-20 21:10:47,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 21:10:47,265 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:47,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:47,266 INFO L85 PathProgramCache]: Analyzing trace with hash -543175276, now seen corresponding path program 1 times [2022-02-20 21:10:47,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 21:10:47,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930231184] [2022-02-20 21:10:47,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:47,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 21:10:47,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 21:10:47,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 21:10:47,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-02-20 21:10:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:47,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-20 21:10:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:47,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:47,661 INFO L290 TraceCheckUtils]: 0: Hoare triple {2527#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv64, 0bv64;assume 0bv1 == #valid[0bv64];assume ~bvult64(0bv64, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv64, 1bv64);call write~init~intINTTYPE1(48bv8, 1bv64, 0bv64, 1bv64);call write~init~intINTTYPE1(0bv8, 1bv64, 1bv64, 1bv64);call #Ultimate.allocInit(35bv64, 2bv64);call #Ultimate.allocInit(12bv64, 3bv64);call #Ultimate.allocInit(78bv64, 4bv64);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5bv64, 0bv64;call #Ultimate.allocInit(40bv64, 5bv64);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(8bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(16bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(24bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#s_can_fail_allocator_static~0.base, ~bvadd64(32bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);~tl_last_error~0 := 0bv32; {2527#true} is VALID [2022-02-20 21:10:47,661 INFO L290 TraceCheckUtils]: 1: Hoare triple {2527#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32bv64);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20bv64;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {2527#true} is VALID [2022-02-20 21:10:47,661 INFO L272 TraceCheckUtils]: 2: Hoare triple {2527#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {2527#true} is VALID [2022-02-20 21:10:47,661 INFO L290 TraceCheckUtils]: 3: Hoare triple {2527#true} #res := #t~nondet13;havoc #t~nondet13; {2527#true} is VALID [2022-02-20 21:10:47,662 INFO L290 TraceCheckUtils]: 4: Hoare triple {2527#true} assume true; {2527#true} is VALID [2022-02-20 21:10:47,662 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {2527#true} {2527#true} #284#return; {2527#true} is VALID [2022-02-20 21:10:47,662 INFO L290 TraceCheckUtils]: 6: Hoare triple {2527#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {2527#true} is VALID [2022-02-20 21:10:47,662 INFO L272 TraceCheckUtils]: 7: Hoare triple {2527#true} call assume_abort_if_not((if 0bv32 == (if ~bvule64(ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~max_length#1) then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {2527#true} is VALID [2022-02-20 21:10:47,662 INFO L290 TraceCheckUtils]: 8: Hoare triple {2527#true} ~cond := #in~cond; {2527#true} is VALID [2022-02-20 21:10:47,662 INFO L290 TraceCheckUtils]: 9: Hoare triple {2527#true} assume !(0bv8 == ~cond); {2527#true} is VALID [2022-02-20 21:10:47,663 INFO L290 TraceCheckUtils]: 10: Hoare triple {2527#true} assume true; {2527#true} is VALID [2022-02-20 21:10:47,663 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {2527#true} {2527#true} #286#return; {2527#true} is VALID [2022-02-20 21:10:47,663 INFO L290 TraceCheckUtils]: 12: Hoare triple {2527#true} call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(8bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0bv64; {2527#true} is VALID [2022-02-20 21:10:47,663 INFO L290 TraceCheckUtils]: 13: Hoare triple {2527#true} assume !~bvult64(ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~length~1#1); {2527#true} is VALID [2022-02-20 21:10:47,663 INFO L290 TraceCheckUtils]: 14: Hoare triple {2527#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8bv64);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(24bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64); {2527#true} is VALID [2022-02-20 21:10:47,663 INFO L290 TraceCheckUtils]: 15: Hoare triple {2527#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {2527#true} is VALID [2022-02-20 21:10:47,663 INFO L272 TraceCheckUtils]: 16: Hoare triple {2527#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {2527#true} is VALID [2022-02-20 21:10:47,664 INFO L290 TraceCheckUtils]: 17: Hoare triple {2527#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2527#true} is VALID [2022-02-20 21:10:47,664 INFO L272 TraceCheckUtils]: 18: Hoare triple {2527#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {2527#true} is VALID [2022-02-20 21:10:47,664 INFO L290 TraceCheckUtils]: 19: Hoare triple {2527#true} ~cond := #in~cond; {2527#true} is VALID [2022-02-20 21:10:47,664 INFO L290 TraceCheckUtils]: 20: Hoare triple {2527#true} assume !(0bv8 == ~cond); {2527#true} is VALID [2022-02-20 21:10:47,664 INFO L290 TraceCheckUtils]: 21: Hoare triple {2527#true} assume true; {2527#true} is VALID [2022-02-20 21:10:47,664 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {2527#true} {2527#true} #338#return; {2527#true} is VALID [2022-02-20 21:10:47,664 INFO L290 TraceCheckUtils]: 23: Hoare triple {2527#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {2527#true} is VALID [2022-02-20 21:10:47,665 INFO L290 TraceCheckUtils]: 24: Hoare triple {2527#true} assume true; {2527#true} is VALID [2022-02-20 21:10:47,665 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {2527#true} {2527#true} #288#return; {2527#true} is VALID [2022-02-20 21:10:47,665 INFO L272 TraceCheckUtils]: 26: Hoare triple {2527#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_harness_#t~ret678#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {2527#true} is VALID [2022-02-20 21:10:47,665 INFO L290 TraceCheckUtils]: 27: Hoare triple {2527#true} ~cond := #in~cond; {2527#true} is VALID [2022-02-20 21:10:47,665 INFO L290 TraceCheckUtils]: 28: Hoare triple {2527#true} assume !(0bv8 == ~cond); {2527#true} is VALID [2022-02-20 21:10:47,665 INFO L290 TraceCheckUtils]: 29: Hoare triple {2527#true} assume true; {2527#true} is VALID [2022-02-20 21:10:47,665 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {2527#true} {2527#true} #290#return; {2527#true} is VALID [2022-02-20 21:10:47,666 INFO L290 TraceCheckUtils]: 31: Hoare triple {2527#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, ~bvadd64(24bv64, aws_linked_list_pop_back_harness_~#list~0#1.offset), 8bv64);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, ~bvadd64(8bv64, aws_linked_list_pop_back_harness_#t~mem679#1.offset), 8bv64);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {2527#true} is VALID [2022-02-20 21:10:47,666 INFO L272 TraceCheckUtils]: 32: Hoare triple {2527#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {2527#true} is VALID [2022-02-20 21:10:47,666 INFO L290 TraceCheckUtils]: 33: Hoare triple {2527#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2527#true} is VALID [2022-02-20 21:10:47,666 INFO L272 TraceCheckUtils]: 34: Hoare triple {2527#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {2527#true} is VALID [2022-02-20 21:10:47,666 INFO L290 TraceCheckUtils]: 35: Hoare triple {2527#true} ~cond := #in~cond; {2527#true} is VALID [2022-02-20 21:10:47,666 INFO L290 TraceCheckUtils]: 36: Hoare triple {2527#true} assume !(0bv8 == ~cond); {2527#true} is VALID [2022-02-20 21:10:47,667 INFO L290 TraceCheckUtils]: 37: Hoare triple {2527#true} assume true; {2527#true} is VALID [2022-02-20 21:10:47,667 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {2527#true} {2527#true} #338#return; {2527#true} is VALID [2022-02-20 21:10:47,667 INFO L290 TraceCheckUtils]: 39: Hoare triple {2527#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {2527#true} is VALID [2022-02-20 21:10:47,667 INFO L290 TraceCheckUtils]: 40: Hoare triple {2527#true} assume true; {2527#true} is VALID [2022-02-20 21:10:47,667 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2527#true} {2527#true} #292#return; {2527#true} is VALID [2022-02-20 21:10:47,667 INFO L272 TraceCheckUtils]: 42: Hoare triple {2527#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_#t~ret395#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {2527#true} is VALID [2022-02-20 21:10:47,667 INFO L290 TraceCheckUtils]: 43: Hoare triple {2527#true} ~cond := #in~cond; {2527#true} is VALID [2022-02-20 21:10:47,668 INFO L290 TraceCheckUtils]: 44: Hoare triple {2527#true} assume !(0bv8 == ~cond); {2527#true} is VALID [2022-02-20 21:10:47,668 INFO L290 TraceCheckUtils]: 45: Hoare triple {2527#true} assume true; {2527#true} is VALID [2022-02-20 21:10:47,668 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {2527#true} {2527#true} #294#return; {2527#true} is VALID [2022-02-20 21:10:47,668 INFO L290 TraceCheckUtils]: 47: Hoare triple {2527#true} havoc aws_linked_list_pop_back_#t~ret395#1; {2527#true} is VALID [2022-02-20 21:10:47,668 INFO L272 TraceCheckUtils]: 48: Hoare triple {2527#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {2527#true} is VALID [2022-02-20 21:10:47,668 INFO L290 TraceCheckUtils]: 49: Hoare triple {2527#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {2527#true} is VALID [2022-02-20 21:10:47,668 INFO L290 TraceCheckUtils]: 50: Hoare triple {2527#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {2527#true} is VALID [2022-02-20 21:10:47,669 INFO L290 TraceCheckUtils]: 51: Hoare triple {2527#true} #t~short301#1 := #t~short299#1; {2527#true} is VALID [2022-02-20 21:10:47,669 INFO L290 TraceCheckUtils]: 52: Hoare triple {2527#true} assume !#t~short301#1; {2527#true} is VALID [2022-02-20 21:10:47,669 INFO L290 TraceCheckUtils]: 53: Hoare triple {2527#true} #t~short303#1 := #t~short301#1; {2527#true} is VALID [2022-02-20 21:10:47,669 INFO L290 TraceCheckUtils]: 54: Hoare triple {2527#true} assume !#t~short303#1; {2527#true} is VALID [2022-02-20 21:10:47,669 INFO L290 TraceCheckUtils]: 55: Hoare triple {2527#true} #t~short305#1 := #t~short303#1; {2527#true} is VALID [2022-02-20 21:10:47,669 INFO L290 TraceCheckUtils]: 56: Hoare triple {2527#true} assume !#t~short305#1; {2527#true} is VALID [2022-02-20 21:10:47,670 INFO L290 TraceCheckUtils]: 57: Hoare triple {2527#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {2703#(= |aws_linked_list_is_valid_#res#1| (_ bv0 8))} is VALID [2022-02-20 21:10:47,670 INFO L290 TraceCheckUtils]: 58: Hoare triple {2703#(= |aws_linked_list_is_valid_#res#1| (_ bv0 8))} assume true; {2703#(= |aws_linked_list_is_valid_#res#1| (_ bv0 8))} is VALID [2022-02-20 21:10:47,671 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {2703#(= |aws_linked_list_is_valid_#res#1| (_ bv0 8))} {2527#true} #296#return; {2710#(= (_ bv0 8) |ULTIMATE.start_aws_linked_list_pop_back_#t~ret396#1|)} is VALID [2022-02-20 21:10:47,671 INFO L272 TraceCheckUtils]: 60: Hoare triple {2710#(= (_ bv0 8) |ULTIMATE.start_aws_linked_list_pop_back_#t~ret396#1|)} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {2527#true} is VALID [2022-02-20 21:10:47,671 INFO L290 TraceCheckUtils]: 61: Hoare triple {2527#true} ~cond := #in~cond; {2717#(= |assume_abort_if_not_#in~cond| assume_abort_if_not_~cond)} is VALID [2022-02-20 21:10:47,672 INFO L290 TraceCheckUtils]: 62: Hoare triple {2717#(= |assume_abort_if_not_#in~cond| assume_abort_if_not_~cond)} assume !(0bv8 == ~cond); {2721#(not (= |assume_abort_if_not_#in~cond| (_ bv0 8)))} is VALID [2022-02-20 21:10:47,672 INFO L290 TraceCheckUtils]: 63: Hoare triple {2721#(not (= |assume_abort_if_not_#in~cond| (_ bv0 8)))} assume true; {2721#(not (= |assume_abort_if_not_#in~cond| (_ bv0 8)))} is VALID [2022-02-20 21:10:47,672 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {2721#(not (= |assume_abort_if_not_#in~cond| (_ bv0 8)))} {2710#(= (_ bv0 8) |ULTIMATE.start_aws_linked_list_pop_back_#t~ret396#1|)} #298#return; {2528#false} is VALID [2022-02-20 21:10:47,673 INFO L290 TraceCheckUtils]: 65: Hoare triple {2528#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {2528#false} is VALID [2022-02-20 21:10:47,673 INFO L272 TraceCheckUtils]: 66: Hoare triple {2528#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {2528#false} is VALID [2022-02-20 21:10:47,673 INFO L290 TraceCheckUtils]: 67: Hoare triple {2528#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {2528#false} is VALID [2022-02-20 21:10:47,673 INFO L290 TraceCheckUtils]: 68: Hoare triple {2528#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {2528#false} is VALID [2022-02-20 21:10:47,673 INFO L290 TraceCheckUtils]: 69: Hoare triple {2528#false} #t~short301#1 := #t~short299#1; {2528#false} is VALID [2022-02-20 21:10:47,673 INFO L290 TraceCheckUtils]: 70: Hoare triple {2528#false} assume !#t~short301#1; {2528#false} is VALID [2022-02-20 21:10:47,673 INFO L290 TraceCheckUtils]: 71: Hoare triple {2528#false} #t~short303#1 := #t~short301#1; {2528#false} is VALID [2022-02-20 21:10:47,674 INFO L290 TraceCheckUtils]: 72: Hoare triple {2528#false} assume !#t~short303#1; {2528#false} is VALID [2022-02-20 21:10:47,674 INFO L290 TraceCheckUtils]: 73: Hoare triple {2528#false} #t~short305#1 := #t~short303#1; {2528#false} is VALID [2022-02-20 21:10:47,674 INFO L290 TraceCheckUtils]: 74: Hoare triple {2528#false} assume !#t~short305#1; {2528#false} is VALID [2022-02-20 21:10:47,674 INFO L290 TraceCheckUtils]: 75: Hoare triple {2528#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {2528#false} is VALID [2022-02-20 21:10:47,674 INFO L290 TraceCheckUtils]: 76: Hoare triple {2528#false} assume true; {2528#false} is VALID [2022-02-20 21:10:47,674 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {2528#false} {2528#false} #300#return; {2528#false} is VALID [2022-02-20 21:10:47,674 INFO L272 TraceCheckUtils]: 78: Hoare triple {2528#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {2528#false} is VALID [2022-02-20 21:10:47,674 INFO L290 TraceCheckUtils]: 79: Hoare triple {2528#false} ~cond := #in~cond; {2528#false} is VALID [2022-02-20 21:10:47,675 INFO L290 TraceCheckUtils]: 80: Hoare triple {2528#false} assume !(0bv8 == ~cond); {2528#false} is VALID [2022-02-20 21:10:47,675 INFO L290 TraceCheckUtils]: 81: Hoare triple {2528#false} assume true; {2528#false} is VALID [2022-02-20 21:10:47,675 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {2528#false} {2528#false} #302#return; {2528#false} is VALID [2022-02-20 21:10:47,675 INFO L290 TraceCheckUtils]: 83: Hoare triple {2528#false} havoc aws_linked_list_back_#t~ret389#1; {2528#false} is VALID [2022-02-20 21:10:47,675 INFO L272 TraceCheckUtils]: 84: Hoare triple {2528#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {2528#false} is VALID [2022-02-20 21:10:47,675 INFO L290 TraceCheckUtils]: 85: Hoare triple {2528#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2528#false} is VALID [2022-02-20 21:10:47,675 INFO L272 TraceCheckUtils]: 86: Hoare triple {2528#false} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {2528#false} is VALID [2022-02-20 21:10:47,676 INFO L290 TraceCheckUtils]: 87: Hoare triple {2528#false} ~cond := #in~cond; {2528#false} is VALID [2022-02-20 21:10:47,676 INFO L290 TraceCheckUtils]: 88: Hoare triple {2528#false} assume !(0bv8 == ~cond); {2528#false} is VALID [2022-02-20 21:10:47,676 INFO L290 TraceCheckUtils]: 89: Hoare triple {2528#false} assume true; {2528#false} is VALID [2022-02-20 21:10:47,676 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {2528#false} {2528#false} #338#return; {2528#false} is VALID [2022-02-20 21:10:47,676 INFO L290 TraceCheckUtils]: 91: Hoare triple {2528#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {2528#false} is VALID [2022-02-20 21:10:47,676 INFO L290 TraceCheckUtils]: 92: Hoare triple {2528#false} assume true; {2528#false} is VALID [2022-02-20 21:10:47,676 INFO L284 TraceCheckUtils]: 93: Hoare quadruple {2528#false} {2528#false} #304#return; {2528#false} is VALID [2022-02-20 21:10:47,677 INFO L272 TraceCheckUtils]: 94: Hoare triple {2528#false} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_back_#t~ret390#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {2528#false} is VALID [2022-02-20 21:10:47,677 INFO L290 TraceCheckUtils]: 95: Hoare triple {2528#false} ~cond := #in~cond; {2528#false} is VALID [2022-02-20 21:10:47,677 INFO L290 TraceCheckUtils]: 96: Hoare triple {2528#false} assume !(0bv8 == ~cond); {2528#false} is VALID [2022-02-20 21:10:47,677 INFO L290 TraceCheckUtils]: 97: Hoare triple {2528#false} assume true; {2528#false} is VALID [2022-02-20 21:10:47,677 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {2528#false} {2528#false} #306#return; {2528#false} is VALID [2022-02-20 21:10:47,677 INFO L290 TraceCheckUtils]: 99: Hoare triple {2528#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, ~bvadd64(24bv64, aws_linked_list_back_~list#1.offset), 8bv64);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {2528#false} is VALID [2022-02-20 21:10:47,677 INFO L272 TraceCheckUtils]: 100: Hoare triple {2528#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {2528#false} is VALID [2022-02-20 21:10:47,678 INFO L290 TraceCheckUtils]: 101: Hoare triple {2528#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {2528#false} is VALID [2022-02-20 21:10:47,678 INFO L290 TraceCheckUtils]: 102: Hoare triple {2528#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {2528#false} is VALID [2022-02-20 21:10:47,678 INFO L290 TraceCheckUtils]: 103: Hoare triple {2528#false} #t~short301#1 := #t~short299#1; {2528#false} is VALID [2022-02-20 21:10:47,678 INFO L290 TraceCheckUtils]: 104: Hoare triple {2528#false} assume !#t~short301#1; {2528#false} is VALID [2022-02-20 21:10:47,678 INFO L290 TraceCheckUtils]: 105: Hoare triple {2528#false} #t~short303#1 := #t~short301#1; {2528#false} is VALID [2022-02-20 21:10:47,678 INFO L290 TraceCheckUtils]: 106: Hoare triple {2528#false} assume !#t~short303#1; {2528#false} is VALID [2022-02-20 21:10:47,678 INFO L290 TraceCheckUtils]: 107: Hoare triple {2528#false} #t~short305#1 := #t~short303#1; {2528#false} is VALID [2022-02-20 21:10:47,679 INFO L290 TraceCheckUtils]: 108: Hoare triple {2528#false} assume !#t~short305#1; {2528#false} is VALID [2022-02-20 21:10:47,679 INFO L290 TraceCheckUtils]: 109: Hoare triple {2528#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {2528#false} is VALID [2022-02-20 21:10:47,679 INFO L290 TraceCheckUtils]: 110: Hoare triple {2528#false} assume true; {2528#false} is VALID [2022-02-20 21:10:47,679 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {2528#false} {2528#false} #308#return; {2528#false} is VALID [2022-02-20 21:10:47,679 INFO L272 TraceCheckUtils]: 112: Hoare triple {2528#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {2528#false} is VALID [2022-02-20 21:10:47,679 INFO L290 TraceCheckUtils]: 113: Hoare triple {2528#false} ~cond := #in~cond; {2528#false} is VALID [2022-02-20 21:10:47,679 INFO L290 TraceCheckUtils]: 114: Hoare triple {2528#false} assume 0bv8 == ~cond; {2528#false} is VALID [2022-02-20 21:10:47,680 INFO L290 TraceCheckUtils]: 115: Hoare triple {2528#false} assume !false; {2528#false} is VALID [2022-02-20 21:10:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-02-20 21:10:47,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:47,680 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 21:10:47,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930231184] [2022-02-20 21:10:47,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930231184] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:47,681 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:10:47,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 21:10:47,681 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686377283] [2022-02-20 21:10:47,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:47,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 116 [2022-02-20 21:10:47,682 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:47,682 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-02-20 21:10:47,746 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:47,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 21:10:47,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 21:10:47,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 21:10:47,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 21:10:47,747 INFO L87 Difference]: Start difference. First operand 137 states and 183 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-02-20 21:10:48,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:48,728 INFO L93 Difference]: Finished difference Result 256 states and 345 transitions. [2022-02-20 21:10:48,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 21:10:48,729 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 116 [2022-02-20 21:10:48,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:48,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-02-20 21:10:48,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 335 transitions. [2022-02-20 21:10:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-02-20 21:10:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 335 transitions. [2022-02-20 21:10:48,737 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 335 transitions. [2022-02-20 21:10:49,005 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 335 edges. 335 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:49,007 INFO L225 Difference]: With dead ends: 256 [2022-02-20 21:10:49,007 INFO L226 Difference]: Without dead ends: 139 [2022-02-20 21:10:49,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-20 21:10:49,008 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 2 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:49,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 807 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 21:10:49,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-02-20 21:10:49,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2022-02-20 21:10:49,014 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:49,015 INFO L82 GeneralOperation]: Start isEquivalent. First operand 139 states. Second operand has 139 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 92 states have internal predecessors, (111), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2022-02-20 21:10:49,015 INFO L74 IsIncluded]: Start isIncluded. First operand 139 states. Second operand has 139 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 92 states have internal predecessors, (111), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2022-02-20 21:10:49,016 INFO L87 Difference]: Start difference. First operand 139 states. Second operand has 139 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 92 states have internal predecessors, (111), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2022-02-20 21:10:49,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:49,020 INFO L93 Difference]: Finished difference Result 139 states and 188 transitions. [2022-02-20 21:10:49,020 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2022-02-20 21:10:49,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:49,021 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:49,021 INFO L74 IsIncluded]: Start isIncluded. First operand has 139 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 92 states have internal predecessors, (111), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) Second operand 139 states. [2022-02-20 21:10:49,021 INFO L87 Difference]: Start difference. First operand has 139 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 92 states have internal predecessors, (111), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) Second operand 139 states. [2022-02-20 21:10:49,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:49,025 INFO L93 Difference]: Finished difference Result 139 states and 188 transitions. [2022-02-20 21:10:49,025 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2022-02-20 21:10:49,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:49,026 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:49,026 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:49,026 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.2333333333333334) internal successors, (111), 92 states have internal predecessors, (111), 37 states have call successors, (37), 10 states have call predecessors, (37), 11 states have return successors, (40), 36 states have call predecessors, (40), 36 states have call successors, (40) [2022-02-20 21:10:49,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 188 transitions. [2022-02-20 21:10:49,030 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 188 transitions. Word has length 116 [2022-02-20 21:10:49,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:49,031 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 188 transitions. [2022-02-20 21:10:49,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-02-20 21:10:49,031 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2022-02-20 21:10:49,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-02-20 21:10:49,032 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:49,032 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-20 21:10:49,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-02-20 21:10:49,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 21:10:49,244 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:49,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:49,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1486715478, now seen corresponding path program 1 times [2022-02-20 21:10:49,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 21:10:49,245 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53409712] [2022-02-20 21:10:49,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:49,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 21:10:49,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 21:10:49,246 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 21:10:49,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-02-20 21:10:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:49,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-20 21:10:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:49,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:49,802 INFO L290 TraceCheckUtils]: 0: Hoare triple {3708#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv64, 0bv64;assume 0bv1 == #valid[0bv64];assume ~bvult64(0bv64, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv64, 1bv64);call write~init~intINTTYPE1(48bv8, 1bv64, 0bv64, 1bv64);call write~init~intINTTYPE1(0bv8, 1bv64, 1bv64, 1bv64);call #Ultimate.allocInit(35bv64, 2bv64);call #Ultimate.allocInit(12bv64, 3bv64);call #Ultimate.allocInit(78bv64, 4bv64);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5bv64, 0bv64;call #Ultimate.allocInit(40bv64, 5bv64);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(8bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(16bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(24bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#s_can_fail_allocator_static~0.base, ~bvadd64(32bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);~tl_last_error~0 := 0bv32; {3708#true} is VALID [2022-02-20 21:10:49,802 INFO L290 TraceCheckUtils]: 1: Hoare triple {3708#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32bv64);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20bv64;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:49,802 INFO L272 TraceCheckUtils]: 2: Hoare triple {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {3708#true} is VALID [2022-02-20 21:10:49,802 INFO L290 TraceCheckUtils]: 3: Hoare triple {3708#true} #res := #t~nondet13;havoc #t~nondet13; {3708#true} is VALID [2022-02-20 21:10:49,803 INFO L290 TraceCheckUtils]: 4: Hoare triple {3708#true} assume true; {3708#true} is VALID [2022-02-20 21:10:49,803 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {3708#true} {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #284#return; {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:49,804 INFO L290 TraceCheckUtils]: 6: Hoare triple {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:49,804 INFO L272 TraceCheckUtils]: 7: Hoare triple {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call assume_abort_if_not((if 0bv32 == (if ~bvule64(ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~max_length#1) then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {3708#true} is VALID [2022-02-20 21:10:49,804 INFO L290 TraceCheckUtils]: 8: Hoare triple {3708#true} ~cond := #in~cond; {3708#true} is VALID [2022-02-20 21:10:49,804 INFO L290 TraceCheckUtils]: 9: Hoare triple {3708#true} assume !(0bv8 == ~cond); {3708#true} is VALID [2022-02-20 21:10:49,804 INFO L290 TraceCheckUtils]: 10: Hoare triple {3708#true} assume true; {3708#true} is VALID [2022-02-20 21:10:49,805 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {3708#true} {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #286#return; {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:49,805 INFO L290 TraceCheckUtils]: 12: Hoare triple {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(8bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0bv64; {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:49,806 INFO L290 TraceCheckUtils]: 13: Hoare triple {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} assume !~bvult64(ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~length~1#1); {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:49,806 INFO L290 TraceCheckUtils]: 14: Hoare triple {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8bv64);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(24bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64); {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:49,807 INFO L290 TraceCheckUtils]: 15: Hoare triple {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} assume { :end_inline_ensure_linked_list_is_allocated } true; {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:49,807 INFO L272 TraceCheckUtils]: 16: Hoare triple {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {3708#true} is VALID [2022-02-20 21:10:49,807 INFO L290 TraceCheckUtils]: 17: Hoare triple {3708#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {3708#true} is VALID [2022-02-20 21:10:49,810 INFO L272 TraceCheckUtils]: 18: Hoare triple {3708#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {3708#true} is VALID [2022-02-20 21:10:49,811 INFO L290 TraceCheckUtils]: 19: Hoare triple {3708#true} ~cond := #in~cond; {3708#true} is VALID [2022-02-20 21:10:49,812 INFO L290 TraceCheckUtils]: 20: Hoare triple {3708#true} assume !(0bv8 == ~cond); {3708#true} is VALID [2022-02-20 21:10:49,812 INFO L290 TraceCheckUtils]: 21: Hoare triple {3708#true} assume true; {3708#true} is VALID [2022-02-20 21:10:49,812 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {3708#true} {3708#true} #338#return; {3708#true} is VALID [2022-02-20 21:10:49,813 INFO L290 TraceCheckUtils]: 23: Hoare triple {3708#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {3708#true} is VALID [2022-02-20 21:10:49,813 INFO L290 TraceCheckUtils]: 24: Hoare triple {3708#true} assume true; {3708#true} is VALID [2022-02-20 21:10:49,813 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {3708#true} {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #288#return; {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:49,816 INFO L272 TraceCheckUtils]: 26: Hoare triple {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_harness_#t~ret678#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {3708#true} is VALID [2022-02-20 21:10:49,816 INFO L290 TraceCheckUtils]: 27: Hoare triple {3708#true} ~cond := #in~cond; {3708#true} is VALID [2022-02-20 21:10:49,817 INFO L290 TraceCheckUtils]: 28: Hoare triple {3708#true} assume !(0bv8 == ~cond); {3708#true} is VALID [2022-02-20 21:10:49,817 INFO L290 TraceCheckUtils]: 29: Hoare triple {3708#true} assume true; {3708#true} is VALID [2022-02-20 21:10:49,817 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {3708#true} {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #290#return; {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:49,818 INFO L290 TraceCheckUtils]: 31: Hoare triple {3716#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, ~bvadd64(24bv64, aws_linked_list_pop_back_harness_~#list~0#1.offset), 8bv64);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, ~bvadd64(8bv64, aws_linked_list_pop_back_harness_#t~mem679#1.offset), 8bv64);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {3807#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} is VALID [2022-02-20 21:10:49,821 INFO L272 TraceCheckUtils]: 32: Hoare triple {3807#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {3708#true} is VALID [2022-02-20 21:10:49,821 INFO L290 TraceCheckUtils]: 33: Hoare triple {3708#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {3708#true} is VALID [2022-02-20 21:10:49,821 INFO L272 TraceCheckUtils]: 34: Hoare triple {3708#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {3708#true} is VALID [2022-02-20 21:10:49,824 INFO L290 TraceCheckUtils]: 35: Hoare triple {3708#true} ~cond := #in~cond; {3708#true} is VALID [2022-02-20 21:10:49,824 INFO L290 TraceCheckUtils]: 36: Hoare triple {3708#true} assume !(0bv8 == ~cond); {3708#true} is VALID [2022-02-20 21:10:49,825 INFO L290 TraceCheckUtils]: 37: Hoare triple {3708#true} assume true; {3708#true} is VALID [2022-02-20 21:10:49,825 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {3708#true} {3708#true} #338#return; {3708#true} is VALID [2022-02-20 21:10:49,825 INFO L290 TraceCheckUtils]: 39: Hoare triple {3708#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {3708#true} is VALID [2022-02-20 21:10:49,825 INFO L290 TraceCheckUtils]: 40: Hoare triple {3708#true} assume true; {3708#true} is VALID [2022-02-20 21:10:49,826 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {3708#true} {3807#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} #292#return; {3807#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} is VALID [2022-02-20 21:10:49,826 INFO L272 TraceCheckUtils]: 42: Hoare triple {3807#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_#t~ret395#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {3708#true} is VALID [2022-02-20 21:10:49,826 INFO L290 TraceCheckUtils]: 43: Hoare triple {3708#true} ~cond := #in~cond; {3708#true} is VALID [2022-02-20 21:10:49,826 INFO L290 TraceCheckUtils]: 44: Hoare triple {3708#true} assume !(0bv8 == ~cond); {3708#true} is VALID [2022-02-20 21:10:49,826 INFO L290 TraceCheckUtils]: 45: Hoare triple {3708#true} assume true; {3708#true} is VALID [2022-02-20 21:10:49,827 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {3708#true} {3807#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} #294#return; {3807#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} is VALID [2022-02-20 21:10:49,827 INFO L290 TraceCheckUtils]: 47: Hoare triple {3807#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} havoc aws_linked_list_pop_back_#t~ret395#1; {3807#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} is VALID [2022-02-20 21:10:49,827 INFO L272 TraceCheckUtils]: 48: Hoare triple {3807#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {3708#true} is VALID [2022-02-20 21:10:49,828 INFO L290 TraceCheckUtils]: 49: Hoare triple {3708#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,828 INFO L290 TraceCheckUtils]: 50: Hoare triple {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,828 INFO L290 TraceCheckUtils]: 51: Hoare triple {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} #t~short301#1 := #t~short299#1; {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,829 INFO L290 TraceCheckUtils]: 52: Hoare triple {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(8bv64, ~list#1.offset), 8bv64);#t~short301#1 := #t~mem300#1.base == 0bv64 && #t~mem300#1.offset == 0bv64; {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,829 INFO L290 TraceCheckUtils]: 53: Hoare triple {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} #t~short303#1 := #t~short301#1; {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,831 INFO L290 TraceCheckUtils]: 54: Hoare triple {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(24bv64, ~list#1.offset), 8bv64);#t~short303#1 := #t~mem302#1.base != 0bv64 || #t~mem302#1.offset != 0bv64; {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,832 INFO L290 TraceCheckUtils]: 55: Hoare triple {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} #t~short305#1 := #t~short303#1; {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,832 INFO L290 TraceCheckUtils]: 56: Hoare triple {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,832 INFO L290 TraceCheckUtils]: 57: Hoare triple {3862#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume #t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;assume { :begin_inline_aws_linked_list_is_valid_deep } true;aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset := ~list#1.base, ~list#1.offset;havoc aws_linked_list_is_valid_deep_#res#1;havoc aws_linked_list_is_valid_deep_#t~ret317#1, aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset, aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset, aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset, aws_linked_list_is_valid_deep_~head_reaches_tail~0#1;aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset := aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset; {3887#(= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,833 INFO L290 TraceCheckUtils]: 58: Hoare triple {3887#(= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume aws_linked_list_is_valid_deep_~list#1.base == 0bv64 && aws_linked_list_is_valid_deep_~list#1.offset == 0bv64;aws_linked_list_is_valid_deep_#res#1 := 0bv8; {3891#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,833 INFO L290 TraceCheckUtils]: 59: Hoare triple {3891#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} #t~ret306#1 := aws_linked_list_is_valid_deep_#res#1;assume { :end_inline_aws_linked_list_is_valid_deep } true;#res#1 := #t~ret306#1;havoc #t~ret306#1; {3891#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,833 INFO L290 TraceCheckUtils]: 60: Hoare triple {3891#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} assume true; {3891#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:49,834 INFO L284 TraceCheckUtils]: 61: Hoare quadruple {3891#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} {3807#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} #296#return; {3709#false} is VALID [2022-02-20 21:10:49,834 INFO L272 TraceCheckUtils]: 62: Hoare triple {3709#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {3709#false} is VALID [2022-02-20 21:10:49,834 INFO L290 TraceCheckUtils]: 63: Hoare triple {3709#false} ~cond := #in~cond; {3709#false} is VALID [2022-02-20 21:10:49,835 INFO L290 TraceCheckUtils]: 64: Hoare triple {3709#false} assume !(0bv8 == ~cond); {3709#false} is VALID [2022-02-20 21:10:49,835 INFO L290 TraceCheckUtils]: 65: Hoare triple {3709#false} assume true; {3709#false} is VALID [2022-02-20 21:10:49,835 INFO L284 TraceCheckUtils]: 66: Hoare quadruple {3709#false} {3709#false} #298#return; {3709#false} is VALID [2022-02-20 21:10:49,835 INFO L290 TraceCheckUtils]: 67: Hoare triple {3709#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {3709#false} is VALID [2022-02-20 21:10:49,835 INFO L272 TraceCheckUtils]: 68: Hoare triple {3709#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {3709#false} is VALID [2022-02-20 21:10:49,835 INFO L290 TraceCheckUtils]: 69: Hoare triple {3709#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {3709#false} is VALID [2022-02-20 21:10:49,835 INFO L290 TraceCheckUtils]: 70: Hoare triple {3709#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {3709#false} is VALID [2022-02-20 21:10:49,835 INFO L290 TraceCheckUtils]: 71: Hoare triple {3709#false} #t~short301#1 := #t~short299#1; {3709#false} is VALID [2022-02-20 21:10:49,836 INFO L290 TraceCheckUtils]: 72: Hoare triple {3709#false} assume !#t~short301#1; {3709#false} is VALID [2022-02-20 21:10:49,836 INFO L290 TraceCheckUtils]: 73: Hoare triple {3709#false} #t~short303#1 := #t~short301#1; {3709#false} is VALID [2022-02-20 21:10:49,836 INFO L290 TraceCheckUtils]: 74: Hoare triple {3709#false} assume !#t~short303#1; {3709#false} is VALID [2022-02-20 21:10:49,836 INFO L290 TraceCheckUtils]: 75: Hoare triple {3709#false} #t~short305#1 := #t~short303#1; {3709#false} is VALID [2022-02-20 21:10:49,836 INFO L290 TraceCheckUtils]: 76: Hoare triple {3709#false} assume !#t~short305#1; {3709#false} is VALID [2022-02-20 21:10:49,836 INFO L290 TraceCheckUtils]: 77: Hoare triple {3709#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {3709#false} is VALID [2022-02-20 21:10:49,836 INFO L290 TraceCheckUtils]: 78: Hoare triple {3709#false} assume true; {3709#false} is VALID [2022-02-20 21:10:49,836 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {3709#false} {3709#false} #300#return; {3709#false} is VALID [2022-02-20 21:10:49,837 INFO L272 TraceCheckUtils]: 80: Hoare triple {3709#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {3709#false} is VALID [2022-02-20 21:10:49,837 INFO L290 TraceCheckUtils]: 81: Hoare triple {3709#false} ~cond := #in~cond; {3709#false} is VALID [2022-02-20 21:10:49,837 INFO L290 TraceCheckUtils]: 82: Hoare triple {3709#false} assume !(0bv8 == ~cond); {3709#false} is VALID [2022-02-20 21:10:49,837 INFO L290 TraceCheckUtils]: 83: Hoare triple {3709#false} assume true; {3709#false} is VALID [2022-02-20 21:10:49,837 INFO L284 TraceCheckUtils]: 84: Hoare quadruple {3709#false} {3709#false} #302#return; {3709#false} is VALID [2022-02-20 21:10:49,837 INFO L290 TraceCheckUtils]: 85: Hoare triple {3709#false} havoc aws_linked_list_back_#t~ret389#1; {3709#false} is VALID [2022-02-20 21:10:49,837 INFO L272 TraceCheckUtils]: 86: Hoare triple {3709#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {3709#false} is VALID [2022-02-20 21:10:49,837 INFO L290 TraceCheckUtils]: 87: Hoare triple {3709#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {3709#false} is VALID [2022-02-20 21:10:49,838 INFO L272 TraceCheckUtils]: 88: Hoare triple {3709#false} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {3709#false} is VALID [2022-02-20 21:10:49,838 INFO L290 TraceCheckUtils]: 89: Hoare triple {3709#false} ~cond := #in~cond; {3709#false} is VALID [2022-02-20 21:10:49,838 INFO L290 TraceCheckUtils]: 90: Hoare triple {3709#false} assume !(0bv8 == ~cond); {3709#false} is VALID [2022-02-20 21:10:49,838 INFO L290 TraceCheckUtils]: 91: Hoare triple {3709#false} assume true; {3709#false} is VALID [2022-02-20 21:10:49,838 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {3709#false} {3709#false} #338#return; {3709#false} is VALID [2022-02-20 21:10:49,838 INFO L290 TraceCheckUtils]: 93: Hoare triple {3709#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {3709#false} is VALID [2022-02-20 21:10:49,838 INFO L290 TraceCheckUtils]: 94: Hoare triple {3709#false} assume true; {3709#false} is VALID [2022-02-20 21:10:49,838 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {3709#false} {3709#false} #304#return; {3709#false} is VALID [2022-02-20 21:10:49,839 INFO L272 TraceCheckUtils]: 96: Hoare triple {3709#false} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_back_#t~ret390#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {3709#false} is VALID [2022-02-20 21:10:49,839 INFO L290 TraceCheckUtils]: 97: Hoare triple {3709#false} ~cond := #in~cond; {3709#false} is VALID [2022-02-20 21:10:49,839 INFO L290 TraceCheckUtils]: 98: Hoare triple {3709#false} assume !(0bv8 == ~cond); {3709#false} is VALID [2022-02-20 21:10:49,839 INFO L290 TraceCheckUtils]: 99: Hoare triple {3709#false} assume true; {3709#false} is VALID [2022-02-20 21:10:49,839 INFO L284 TraceCheckUtils]: 100: Hoare quadruple {3709#false} {3709#false} #306#return; {3709#false} is VALID [2022-02-20 21:10:49,839 INFO L290 TraceCheckUtils]: 101: Hoare triple {3709#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, ~bvadd64(24bv64, aws_linked_list_back_~list#1.offset), 8bv64);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {3709#false} is VALID [2022-02-20 21:10:49,839 INFO L272 TraceCheckUtils]: 102: Hoare triple {3709#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {3709#false} is VALID [2022-02-20 21:10:49,839 INFO L290 TraceCheckUtils]: 103: Hoare triple {3709#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {3709#false} is VALID [2022-02-20 21:10:49,840 INFO L290 TraceCheckUtils]: 104: Hoare triple {3709#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {3709#false} is VALID [2022-02-20 21:10:49,848 INFO L290 TraceCheckUtils]: 105: Hoare triple {3709#false} #t~short301#1 := #t~short299#1; {3709#false} is VALID [2022-02-20 21:10:49,848 INFO L290 TraceCheckUtils]: 106: Hoare triple {3709#false} assume !#t~short301#1; {3709#false} is VALID [2022-02-20 21:10:49,848 INFO L290 TraceCheckUtils]: 107: Hoare triple {3709#false} #t~short303#1 := #t~short301#1; {3709#false} is VALID [2022-02-20 21:10:49,848 INFO L290 TraceCheckUtils]: 108: Hoare triple {3709#false} assume !#t~short303#1; {3709#false} is VALID [2022-02-20 21:10:49,849 INFO L290 TraceCheckUtils]: 109: Hoare triple {3709#false} #t~short305#1 := #t~short303#1; {3709#false} is VALID [2022-02-20 21:10:49,849 INFO L290 TraceCheckUtils]: 110: Hoare triple {3709#false} assume !#t~short305#1; {3709#false} is VALID [2022-02-20 21:10:49,849 INFO L290 TraceCheckUtils]: 111: Hoare triple {3709#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {3709#false} is VALID [2022-02-20 21:10:49,849 INFO L290 TraceCheckUtils]: 112: Hoare triple {3709#false} assume true; {3709#false} is VALID [2022-02-20 21:10:49,849 INFO L284 TraceCheckUtils]: 113: Hoare quadruple {3709#false} {3709#false} #308#return; {3709#false} is VALID [2022-02-20 21:10:49,849 INFO L272 TraceCheckUtils]: 114: Hoare triple {3709#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {3709#false} is VALID [2022-02-20 21:10:49,849 INFO L290 TraceCheckUtils]: 115: Hoare triple {3709#false} ~cond := #in~cond; {3709#false} is VALID [2022-02-20 21:10:49,850 INFO L290 TraceCheckUtils]: 116: Hoare triple {3709#false} assume 0bv8 == ~cond; {3709#false} is VALID [2022-02-20 21:10:49,850 INFO L290 TraceCheckUtils]: 117: Hoare triple {3709#false} assume !false; {3709#false} is VALID [2022-02-20 21:10:49,852 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-02-20 21:10:49,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:49,853 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 21:10:49,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53409712] [2022-02-20 21:10:49,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53409712] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:49,853 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:10:49,853 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 21:10:49,854 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180291506] [2022-02-20 21:10:49,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:49,854 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 118 [2022-02-20 21:10:49,855 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:49,855 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:49,957 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:49,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 21:10:49,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 21:10:49,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 21:10:49,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 21:10:49,959 INFO L87 Difference]: Start difference. First operand 139 states and 188 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:51,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:51,481 INFO L93 Difference]: Finished difference Result 261 states and 356 transitions. [2022-02-20 21:10:51,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 21:10:51,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 118 [2022-02-20 21:10:51,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 341 transitions. [2022-02-20 21:10:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 341 transitions. [2022-02-20 21:10:51,491 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 341 transitions. [2022-02-20 21:10:51,770 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 341 edges. 341 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:51,773 INFO L225 Difference]: With dead ends: 261 [2022-02-20 21:10:51,773 INFO L226 Difference]: Without dead ends: 142 [2022-02-20 21:10:51,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-20 21:10:51,774 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 69 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:51,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 852 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 21:10:51,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-02-20 21:10:51,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-02-20 21:10:51,782 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:51,783 INFO L82 GeneralOperation]: Start isEquivalent. First operand 142 states. Second operand has 142 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 95 states have internal predecessors, (113), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:51,783 INFO L74 IsIncluded]: Start isIncluded. First operand 142 states. Second operand has 142 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 95 states have internal predecessors, (113), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:51,783 INFO L87 Difference]: Start difference. First operand 142 states. Second operand has 142 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 95 states have internal predecessors, (113), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:51,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:51,794 INFO L93 Difference]: Finished difference Result 142 states and 192 transitions. [2022-02-20 21:10:51,795 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 192 transitions. [2022-02-20 21:10:51,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:51,795 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:51,796 INFO L74 IsIncluded]: Start isIncluded. First operand has 142 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 95 states have internal predecessors, (113), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) Second operand 142 states. [2022-02-20 21:10:51,796 INFO L87 Difference]: Start difference. First operand has 142 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 95 states have internal predecessors, (113), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) Second operand 142 states. [2022-02-20 21:10:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:51,807 INFO L93 Difference]: Finished difference Result 142 states and 192 transitions. [2022-02-20 21:10:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 192 transitions. [2022-02-20 21:10:51,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:51,808 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:51,808 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:51,808 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:51,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 95 states have internal predecessors, (113), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 192 transitions. [2022-02-20 21:10:51,813 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 192 transitions. Word has length 118 [2022-02-20 21:10:51,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:51,814 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 192 transitions. [2022-02-20 21:10:51,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:51,814 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 192 transitions. [2022-02-20 21:10:51,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-02-20 21:10:51,827 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:51,827 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-20 21:10:51,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-02-20 21:10:52,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 21:10:52,028 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:52,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:52,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1084644541, now seen corresponding path program 1 times [2022-02-20 21:10:52,029 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 21:10:52,029 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410933221] [2022-02-20 21:10:52,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:52,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 21:10:52,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 21:10:52,030 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 21:10:52,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-02-20 21:10:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:52,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-20 21:10:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:52,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:52,566 INFO L290 TraceCheckUtils]: 0: Hoare triple {4916#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv64, 0bv64;assume 0bv1 == #valid[0bv64];assume ~bvult64(0bv64, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv64, 1bv64);call write~init~intINTTYPE1(48bv8, 1bv64, 0bv64, 1bv64);call write~init~intINTTYPE1(0bv8, 1bv64, 1bv64, 1bv64);call #Ultimate.allocInit(35bv64, 2bv64);call #Ultimate.allocInit(12bv64, 3bv64);call #Ultimate.allocInit(78bv64, 4bv64);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5bv64, 0bv64;call #Ultimate.allocInit(40bv64, 5bv64);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(8bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(16bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(24bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#s_can_fail_allocator_static~0.base, ~bvadd64(32bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);~tl_last_error~0 := 0bv32; {4916#true} is VALID [2022-02-20 21:10:52,567 INFO L290 TraceCheckUtils]: 1: Hoare triple {4916#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32bv64);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20bv64;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:52,567 INFO L272 TraceCheckUtils]: 2: Hoare triple {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {4916#true} is VALID [2022-02-20 21:10:52,567 INFO L290 TraceCheckUtils]: 3: Hoare triple {4916#true} #res := #t~nondet13;havoc #t~nondet13; {4916#true} is VALID [2022-02-20 21:10:52,567 INFO L290 TraceCheckUtils]: 4: Hoare triple {4916#true} assume true; {4916#true} is VALID [2022-02-20 21:10:52,568 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {4916#true} {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #284#return; {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:52,568 INFO L290 TraceCheckUtils]: 6: Hoare triple {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:52,568 INFO L272 TraceCheckUtils]: 7: Hoare triple {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call assume_abort_if_not((if 0bv32 == (if ~bvule64(ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~max_length#1) then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {4916#true} is VALID [2022-02-20 21:10:52,568 INFO L290 TraceCheckUtils]: 8: Hoare triple {4916#true} ~cond := #in~cond; {4916#true} is VALID [2022-02-20 21:10:52,568 INFO L290 TraceCheckUtils]: 9: Hoare triple {4916#true} assume !(0bv8 == ~cond); {4916#true} is VALID [2022-02-20 21:10:52,569 INFO L290 TraceCheckUtils]: 10: Hoare triple {4916#true} assume true; {4916#true} is VALID [2022-02-20 21:10:52,569 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {4916#true} {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #286#return; {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:52,570 INFO L290 TraceCheckUtils]: 12: Hoare triple {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(8bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0bv64; {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:52,570 INFO L290 TraceCheckUtils]: 13: Hoare triple {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} assume !~bvult64(ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~length~1#1); {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:52,570 INFO L290 TraceCheckUtils]: 14: Hoare triple {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8bv64);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(24bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64); {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:52,571 INFO L290 TraceCheckUtils]: 15: Hoare triple {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} assume { :end_inline_ensure_linked_list_is_allocated } true; {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:52,571 INFO L272 TraceCheckUtils]: 16: Hoare triple {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {4916#true} is VALID [2022-02-20 21:10:52,571 INFO L290 TraceCheckUtils]: 17: Hoare triple {4916#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4916#true} is VALID [2022-02-20 21:10:52,571 INFO L272 TraceCheckUtils]: 18: Hoare triple {4916#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {4916#true} is VALID [2022-02-20 21:10:52,571 INFO L290 TraceCheckUtils]: 19: Hoare triple {4916#true} ~cond := #in~cond; {4916#true} is VALID [2022-02-20 21:10:52,571 INFO L290 TraceCheckUtils]: 20: Hoare triple {4916#true} assume !(0bv8 == ~cond); {4916#true} is VALID [2022-02-20 21:10:52,571 INFO L290 TraceCheckUtils]: 21: Hoare triple {4916#true} assume true; {4916#true} is VALID [2022-02-20 21:10:52,572 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {4916#true} {4916#true} #338#return; {4916#true} is VALID [2022-02-20 21:10:52,572 INFO L290 TraceCheckUtils]: 23: Hoare triple {4916#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {4916#true} is VALID [2022-02-20 21:10:52,572 INFO L290 TraceCheckUtils]: 24: Hoare triple {4916#true} assume true; {4916#true} is VALID [2022-02-20 21:10:52,572 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {4916#true} {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #288#return; {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:52,572 INFO L272 TraceCheckUtils]: 26: Hoare triple {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_harness_#t~ret678#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {4916#true} is VALID [2022-02-20 21:10:52,582 INFO L290 TraceCheckUtils]: 27: Hoare triple {4916#true} ~cond := #in~cond; {4916#true} is VALID [2022-02-20 21:10:52,582 INFO L290 TraceCheckUtils]: 28: Hoare triple {4916#true} assume !(0bv8 == ~cond); {4916#true} is VALID [2022-02-20 21:10:52,583 INFO L290 TraceCheckUtils]: 29: Hoare triple {4916#true} assume true; {4916#true} is VALID [2022-02-20 21:10:52,583 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {4916#true} {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} #290#return; {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} is VALID [2022-02-20 21:10:52,584 INFO L290 TraceCheckUtils]: 31: Hoare triple {4924#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.base|))} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, ~bvadd64(24bv64, aws_linked_list_pop_back_harness_~#list~0#1.offset), 8bv64);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, ~bvadd64(8bv64, aws_linked_list_pop_back_harness_#t~mem679#1.offset), 8bv64);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {5015#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} is VALID [2022-02-20 21:10:52,584 INFO L272 TraceCheckUtils]: 32: Hoare triple {5015#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {4916#true} is VALID [2022-02-20 21:10:52,584 INFO L290 TraceCheckUtils]: 33: Hoare triple {4916#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4916#true} is VALID [2022-02-20 21:10:52,584 INFO L272 TraceCheckUtils]: 34: Hoare triple {4916#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {4916#true} is VALID [2022-02-20 21:10:52,586 INFO L290 TraceCheckUtils]: 35: Hoare triple {4916#true} ~cond := #in~cond; {4916#true} is VALID [2022-02-20 21:10:52,586 INFO L290 TraceCheckUtils]: 36: Hoare triple {4916#true} assume !(0bv8 == ~cond); {4916#true} is VALID [2022-02-20 21:10:52,586 INFO L290 TraceCheckUtils]: 37: Hoare triple {4916#true} assume true; {4916#true} is VALID [2022-02-20 21:10:52,586 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {4916#true} {4916#true} #338#return; {4916#true} is VALID [2022-02-20 21:10:52,586 INFO L290 TraceCheckUtils]: 39: Hoare triple {4916#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {4916#true} is VALID [2022-02-20 21:10:52,586 INFO L290 TraceCheckUtils]: 40: Hoare triple {4916#true} assume true; {4916#true} is VALID [2022-02-20 21:10:52,587 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {4916#true} {5015#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} #292#return; {5015#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} is VALID [2022-02-20 21:10:52,587 INFO L272 TraceCheckUtils]: 42: Hoare triple {5015#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_#t~ret395#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {4916#true} is VALID [2022-02-20 21:10:52,587 INFO L290 TraceCheckUtils]: 43: Hoare triple {4916#true} ~cond := #in~cond; {4916#true} is VALID [2022-02-20 21:10:52,587 INFO L290 TraceCheckUtils]: 44: Hoare triple {4916#true} assume !(0bv8 == ~cond); {4916#true} is VALID [2022-02-20 21:10:52,587 INFO L290 TraceCheckUtils]: 45: Hoare triple {4916#true} assume true; {4916#true} is VALID [2022-02-20 21:10:52,588 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {4916#true} {5015#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} #294#return; {5015#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} is VALID [2022-02-20 21:10:52,588 INFO L290 TraceCheckUtils]: 47: Hoare triple {5015#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} havoc aws_linked_list_pop_back_#t~ret395#1; {5015#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} is VALID [2022-02-20 21:10:52,588 INFO L272 TraceCheckUtils]: 48: Hoare triple {5015#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {4916#true} is VALID [2022-02-20 21:10:52,593 INFO L290 TraceCheckUtils]: 49: Hoare triple {4916#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,593 INFO L290 TraceCheckUtils]: 50: Hoare triple {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,594 INFO L290 TraceCheckUtils]: 51: Hoare triple {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} #t~short301#1 := #t~short299#1; {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,594 INFO L290 TraceCheckUtils]: 52: Hoare triple {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(8bv64, ~list#1.offset), 8bv64);#t~short301#1 := #t~mem300#1.base == 0bv64 && #t~mem300#1.offset == 0bv64; {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,595 INFO L290 TraceCheckUtils]: 53: Hoare triple {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} #t~short303#1 := #t~short301#1; {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,595 INFO L290 TraceCheckUtils]: 54: Hoare triple {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(24bv64, ~list#1.offset), 8bv64);#t~short303#1 := #t~mem302#1.base != 0bv64 || #t~mem302#1.offset != 0bv64; {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,595 INFO L290 TraceCheckUtils]: 55: Hoare triple {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} #t~short305#1 := #t~short303#1; {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,596 INFO L290 TraceCheckUtils]: 56: Hoare triple {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,596 INFO L290 TraceCheckUtils]: 57: Hoare triple {5070#(= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume #t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;assume { :begin_inline_aws_linked_list_is_valid_deep } true;aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset := ~list#1.base, ~list#1.offset;havoc aws_linked_list_is_valid_deep_#res#1;havoc aws_linked_list_is_valid_deep_#t~ret317#1, aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset, aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset, aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset, aws_linked_list_is_valid_deep_~head_reaches_tail~0#1;aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset := aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset; {5095#(= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,597 INFO L290 TraceCheckUtils]: 58: Hoare triple {5095#(= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|)} assume !(aws_linked_list_is_valid_deep_~list#1.base == 0bv64 && aws_linked_list_is_valid_deep_~list#1.offset == 0bv64);aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset := aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset;aws_linked_list_is_valid_deep_~head_reaches_tail~0#1 := 0bv8; {5099#(= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|)} is VALID [2022-02-20 21:10:52,597 INFO L290 TraceCheckUtils]: 59: Hoare triple {5099#(= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|)} assume !(aws_linked_list_is_valid_deep_~temp~0#1.base != 0bv64 || aws_linked_list_is_valid_deep_~temp~0#1.offset != 0bv64); {5103#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,597 INFO L290 TraceCheckUtils]: 60: Hoare triple {5103#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} aws_linked_list_is_valid_deep_#res#1 := aws_linked_list_is_valid_deep_~head_reaches_tail~0#1; {5103#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,598 INFO L290 TraceCheckUtils]: 61: Hoare triple {5103#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} #t~ret306#1 := aws_linked_list_is_valid_deep_#res#1;assume { :end_inline_aws_linked_list_is_valid_deep } true;#res#1 := #t~ret306#1;havoc #t~ret306#1; {5103#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,598 INFO L290 TraceCheckUtils]: 62: Hoare triple {5103#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} assume true; {5103#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} is VALID [2022-02-20 21:10:52,598 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {5103#(= (_ bv0 64) |aws_linked_list_is_valid_#in~list#1.base|)} {5015#(not (= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.base|))} #296#return; {4917#false} is VALID [2022-02-20 21:10:52,598 INFO L272 TraceCheckUtils]: 64: Hoare triple {4917#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {4917#false} is VALID [2022-02-20 21:10:52,599 INFO L290 TraceCheckUtils]: 65: Hoare triple {4917#false} ~cond := #in~cond; {4917#false} is VALID [2022-02-20 21:10:52,599 INFO L290 TraceCheckUtils]: 66: Hoare triple {4917#false} assume !(0bv8 == ~cond); {4917#false} is VALID [2022-02-20 21:10:52,600 INFO L290 TraceCheckUtils]: 67: Hoare triple {4917#false} assume true; {4917#false} is VALID [2022-02-20 21:10:52,600 INFO L284 TraceCheckUtils]: 68: Hoare quadruple {4917#false} {4917#false} #298#return; {4917#false} is VALID [2022-02-20 21:10:52,600 INFO L290 TraceCheckUtils]: 69: Hoare triple {4917#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {4917#false} is VALID [2022-02-20 21:10:52,600 INFO L272 TraceCheckUtils]: 70: Hoare triple {4917#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4917#false} is VALID [2022-02-20 21:10:52,600 INFO L290 TraceCheckUtils]: 71: Hoare triple {4917#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {4917#false} is VALID [2022-02-20 21:10:52,600 INFO L290 TraceCheckUtils]: 72: Hoare triple {4917#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {4917#false} is VALID [2022-02-20 21:10:52,601 INFO L290 TraceCheckUtils]: 73: Hoare triple {4917#false} #t~short301#1 := #t~short299#1; {4917#false} is VALID [2022-02-20 21:10:52,601 INFO L290 TraceCheckUtils]: 74: Hoare triple {4917#false} assume !#t~short301#1; {4917#false} is VALID [2022-02-20 21:10:52,601 INFO L290 TraceCheckUtils]: 75: Hoare triple {4917#false} #t~short303#1 := #t~short301#1; {4917#false} is VALID [2022-02-20 21:10:52,601 INFO L290 TraceCheckUtils]: 76: Hoare triple {4917#false} assume !#t~short303#1; {4917#false} is VALID [2022-02-20 21:10:52,601 INFO L290 TraceCheckUtils]: 77: Hoare triple {4917#false} #t~short305#1 := #t~short303#1; {4917#false} is VALID [2022-02-20 21:10:52,601 INFO L290 TraceCheckUtils]: 78: Hoare triple {4917#false} assume !#t~short305#1; {4917#false} is VALID [2022-02-20 21:10:52,601 INFO L290 TraceCheckUtils]: 79: Hoare triple {4917#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {4917#false} is VALID [2022-02-20 21:10:52,601 INFO L290 TraceCheckUtils]: 80: Hoare triple {4917#false} assume true; {4917#false} is VALID [2022-02-20 21:10:52,602 INFO L284 TraceCheckUtils]: 81: Hoare quadruple {4917#false} {4917#false} #300#return; {4917#false} is VALID [2022-02-20 21:10:52,602 INFO L272 TraceCheckUtils]: 82: Hoare triple {4917#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {4917#false} is VALID [2022-02-20 21:10:52,602 INFO L290 TraceCheckUtils]: 83: Hoare triple {4917#false} ~cond := #in~cond; {4917#false} is VALID [2022-02-20 21:10:52,602 INFO L290 TraceCheckUtils]: 84: Hoare triple {4917#false} assume !(0bv8 == ~cond); {4917#false} is VALID [2022-02-20 21:10:52,602 INFO L290 TraceCheckUtils]: 85: Hoare triple {4917#false} assume true; {4917#false} is VALID [2022-02-20 21:10:52,602 INFO L284 TraceCheckUtils]: 86: Hoare quadruple {4917#false} {4917#false} #302#return; {4917#false} is VALID [2022-02-20 21:10:52,602 INFO L290 TraceCheckUtils]: 87: Hoare triple {4917#false} havoc aws_linked_list_back_#t~ret389#1; {4917#false} is VALID [2022-02-20 21:10:52,602 INFO L272 TraceCheckUtils]: 88: Hoare triple {4917#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4917#false} is VALID [2022-02-20 21:10:52,602 INFO L290 TraceCheckUtils]: 89: Hoare triple {4917#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {4917#false} is VALID [2022-02-20 21:10:52,603 INFO L272 TraceCheckUtils]: 90: Hoare triple {4917#false} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {4917#false} is VALID [2022-02-20 21:10:52,603 INFO L290 TraceCheckUtils]: 91: Hoare triple {4917#false} ~cond := #in~cond; {4917#false} is VALID [2022-02-20 21:10:52,603 INFO L290 TraceCheckUtils]: 92: Hoare triple {4917#false} assume !(0bv8 == ~cond); {4917#false} is VALID [2022-02-20 21:10:52,603 INFO L290 TraceCheckUtils]: 93: Hoare triple {4917#false} assume true; {4917#false} is VALID [2022-02-20 21:10:52,603 INFO L284 TraceCheckUtils]: 94: Hoare quadruple {4917#false} {4917#false} #338#return; {4917#false} is VALID [2022-02-20 21:10:52,604 INFO L290 TraceCheckUtils]: 95: Hoare triple {4917#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {4917#false} is VALID [2022-02-20 21:10:52,604 INFO L290 TraceCheckUtils]: 96: Hoare triple {4917#false} assume true; {4917#false} is VALID [2022-02-20 21:10:52,604 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {4917#false} {4917#false} #304#return; {4917#false} is VALID [2022-02-20 21:10:52,604 INFO L272 TraceCheckUtils]: 98: Hoare triple {4917#false} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_back_#t~ret390#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {4917#false} is VALID [2022-02-20 21:10:52,605 INFO L290 TraceCheckUtils]: 99: Hoare triple {4917#false} ~cond := #in~cond; {4917#false} is VALID [2022-02-20 21:10:52,605 INFO L290 TraceCheckUtils]: 100: Hoare triple {4917#false} assume !(0bv8 == ~cond); {4917#false} is VALID [2022-02-20 21:10:52,605 INFO L290 TraceCheckUtils]: 101: Hoare triple {4917#false} assume true; {4917#false} is VALID [2022-02-20 21:10:52,605 INFO L284 TraceCheckUtils]: 102: Hoare quadruple {4917#false} {4917#false} #306#return; {4917#false} is VALID [2022-02-20 21:10:52,605 INFO L290 TraceCheckUtils]: 103: Hoare triple {4917#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, ~bvadd64(24bv64, aws_linked_list_back_~list#1.offset), 8bv64);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {4917#false} is VALID [2022-02-20 21:10:52,605 INFO L272 TraceCheckUtils]: 104: Hoare triple {4917#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {4917#false} is VALID [2022-02-20 21:10:52,605 INFO L290 TraceCheckUtils]: 105: Hoare triple {4917#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {4917#false} is VALID [2022-02-20 21:10:52,605 INFO L290 TraceCheckUtils]: 106: Hoare triple {4917#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {4917#false} is VALID [2022-02-20 21:10:52,606 INFO L290 TraceCheckUtils]: 107: Hoare triple {4917#false} #t~short301#1 := #t~short299#1; {4917#false} is VALID [2022-02-20 21:10:52,606 INFO L290 TraceCheckUtils]: 108: Hoare triple {4917#false} assume !#t~short301#1; {4917#false} is VALID [2022-02-20 21:10:52,606 INFO L290 TraceCheckUtils]: 109: Hoare triple {4917#false} #t~short303#1 := #t~short301#1; {4917#false} is VALID [2022-02-20 21:10:52,606 INFO L290 TraceCheckUtils]: 110: Hoare triple {4917#false} assume !#t~short303#1; {4917#false} is VALID [2022-02-20 21:10:52,606 INFO L290 TraceCheckUtils]: 111: Hoare triple {4917#false} #t~short305#1 := #t~short303#1; {4917#false} is VALID [2022-02-20 21:10:52,606 INFO L290 TraceCheckUtils]: 112: Hoare triple {4917#false} assume !#t~short305#1; {4917#false} is VALID [2022-02-20 21:10:52,606 INFO L290 TraceCheckUtils]: 113: Hoare triple {4917#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {4917#false} is VALID [2022-02-20 21:10:52,606 INFO L290 TraceCheckUtils]: 114: Hoare triple {4917#false} assume true; {4917#false} is VALID [2022-02-20 21:10:52,606 INFO L284 TraceCheckUtils]: 115: Hoare quadruple {4917#false} {4917#false} #308#return; {4917#false} is VALID [2022-02-20 21:10:52,607 INFO L272 TraceCheckUtils]: 116: Hoare triple {4917#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {4917#false} is VALID [2022-02-20 21:10:52,607 INFO L290 TraceCheckUtils]: 117: Hoare triple {4917#false} ~cond := #in~cond; {4917#false} is VALID [2022-02-20 21:10:52,607 INFO L290 TraceCheckUtils]: 118: Hoare triple {4917#false} assume 0bv8 == ~cond; {4917#false} is VALID [2022-02-20 21:10:52,607 INFO L290 TraceCheckUtils]: 119: Hoare triple {4917#false} assume !false; {4917#false} is VALID [2022-02-20 21:10:52,608 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-02-20 21:10:52,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:52,608 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 21:10:52,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410933221] [2022-02-20 21:10:52,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410933221] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:52,608 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:10:52,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 21:10:52,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261963093] [2022-02-20 21:10:52,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:52,612 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 120 [2022-02-20 21:10:52,612 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:52,612 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:52,675 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:52,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 21:10:52,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 21:10:52,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 21:10:52,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-20 21:10:52,677 INFO L87 Difference]: Start difference. First operand 142 states and 192 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:54,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:54,322 INFO L93 Difference]: Finished difference Result 276 states and 381 transitions. [2022-02-20 21:10:54,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 21:10:54,322 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 120 [2022-02-20 21:10:54,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:54,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:54,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 362 transitions. [2022-02-20 21:10:54,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 362 transitions. [2022-02-20 21:10:54,364 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 362 transitions. [2022-02-20 21:10:54,659 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 362 edges. 362 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:54,661 INFO L225 Difference]: With dead ends: 276 [2022-02-20 21:10:54,661 INFO L226 Difference]: Without dead ends: 154 [2022-02-20 21:10:54,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-02-20 21:10:54,662 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 97 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:54,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 1002 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 21:10:54,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-02-20 21:10:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 144. [2022-02-20 21:10:54,669 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:54,669 INFO L82 GeneralOperation]: Start isEquivalent. First operand 154 states. Second operand has 144 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 97 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:54,670 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand has 144 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 97 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:54,670 INFO L87 Difference]: Start difference. First operand 154 states. Second operand has 144 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 97 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:54,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:54,674 INFO L93 Difference]: Finished difference Result 154 states and 213 transitions. [2022-02-20 21:10:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 213 transitions. [2022-02-20 21:10:54,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:54,675 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:54,675 INFO L74 IsIncluded]: Start isIncluded. First operand has 144 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 97 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) Second operand 154 states. [2022-02-20 21:10:54,676 INFO L87 Difference]: Start difference. First operand has 144 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 97 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) Second operand 154 states. [2022-02-20 21:10:54,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:54,680 INFO L93 Difference]: Finished difference Result 154 states and 213 transitions. [2022-02-20 21:10:54,680 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 213 transitions. [2022-02-20 21:10:54,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:54,681 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:54,681 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:54,681 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:54,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 94 states have (on average 1.2340425531914894) internal successors, (116), 97 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:54,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 195 transitions. [2022-02-20 21:10:54,685 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 195 transitions. Word has length 120 [2022-02-20 21:10:54,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:54,685 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 195 transitions. [2022-02-20 21:10:54,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:54,685 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 195 transitions. [2022-02-20 21:10:54,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-02-20 21:10:54,687 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:54,687 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-20 21:10:54,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-02-20 21:10:54,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 21:10:54,899 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:54,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:54,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1096826829, now seen corresponding path program 1 times [2022-02-20 21:10:54,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 21:10:54,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751236843] [2022-02-20 21:10:54,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:54,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 21:10:54,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 21:10:54,901 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 21:10:54,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-02-20 21:10:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:55,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-20 21:10:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:55,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:55,420 INFO L290 TraceCheckUtils]: 0: Hoare triple {6182#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv64, 0bv64;assume 0bv1 == #valid[0bv64];assume ~bvult64(0bv64, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv64, 1bv64);call write~init~intINTTYPE1(48bv8, 1bv64, 0bv64, 1bv64);call write~init~intINTTYPE1(0bv8, 1bv64, 1bv64, 1bv64);call #Ultimate.allocInit(35bv64, 2bv64);call #Ultimate.allocInit(12bv64, 3bv64);call #Ultimate.allocInit(78bv64, 4bv64);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5bv64, 0bv64;call #Ultimate.allocInit(40bv64, 5bv64);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(8bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(16bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(24bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#s_can_fail_allocator_static~0.base, ~bvadd64(32bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);~tl_last_error~0 := 0bv32; {6182#true} is VALID [2022-02-20 21:10:55,420 INFO L290 TraceCheckUtils]: 1: Hoare triple {6182#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32bv64);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20bv64;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} is VALID [2022-02-20 21:10:55,420 INFO L272 TraceCheckUtils]: 2: Hoare triple {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {6182#true} is VALID [2022-02-20 21:10:55,421 INFO L290 TraceCheckUtils]: 3: Hoare triple {6182#true} #res := #t~nondet13;havoc #t~nondet13; {6182#true} is VALID [2022-02-20 21:10:55,421 INFO L290 TraceCheckUtils]: 4: Hoare triple {6182#true} assume true; {6182#true} is VALID [2022-02-20 21:10:55,421 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {6182#true} {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} #284#return; {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} is VALID [2022-02-20 21:10:55,421 INFO L290 TraceCheckUtils]: 6: Hoare triple {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} is VALID [2022-02-20 21:10:55,422 INFO L272 TraceCheckUtils]: 7: Hoare triple {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} call assume_abort_if_not((if 0bv32 == (if ~bvule64(ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~max_length#1) then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {6182#true} is VALID [2022-02-20 21:10:55,422 INFO L290 TraceCheckUtils]: 8: Hoare triple {6182#true} ~cond := #in~cond; {6182#true} is VALID [2022-02-20 21:10:55,422 INFO L290 TraceCheckUtils]: 9: Hoare triple {6182#true} assume !(0bv8 == ~cond); {6182#true} is VALID [2022-02-20 21:10:55,422 INFO L290 TraceCheckUtils]: 10: Hoare triple {6182#true} assume true; {6182#true} is VALID [2022-02-20 21:10:55,422 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {6182#true} {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} #286#return; {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} is VALID [2022-02-20 21:10:55,423 INFO L290 TraceCheckUtils]: 12: Hoare triple {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(8bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0bv64; {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} is VALID [2022-02-20 21:10:55,423 INFO L290 TraceCheckUtils]: 13: Hoare triple {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} assume !~bvult64(ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~length~1#1); {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} is VALID [2022-02-20 21:10:55,423 INFO L290 TraceCheckUtils]: 14: Hoare triple {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8bv64);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(24bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64); {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} is VALID [2022-02-20 21:10:55,424 INFO L290 TraceCheckUtils]: 15: Hoare triple {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} assume { :end_inline_ensure_linked_list_is_allocated } true; {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} is VALID [2022-02-20 21:10:55,424 INFO L272 TraceCheckUtils]: 16: Hoare triple {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {6182#true} is VALID [2022-02-20 21:10:55,424 INFO L290 TraceCheckUtils]: 17: Hoare triple {6182#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6182#true} is VALID [2022-02-20 21:10:55,424 INFO L272 TraceCheckUtils]: 18: Hoare triple {6182#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {6182#true} is VALID [2022-02-20 21:10:55,424 INFO L290 TraceCheckUtils]: 19: Hoare triple {6182#true} ~cond := #in~cond; {6182#true} is VALID [2022-02-20 21:10:55,424 INFO L290 TraceCheckUtils]: 20: Hoare triple {6182#true} assume !(0bv8 == ~cond); {6182#true} is VALID [2022-02-20 21:10:55,424 INFO L290 TraceCheckUtils]: 21: Hoare triple {6182#true} assume true; {6182#true} is VALID [2022-02-20 21:10:55,424 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {6182#true} {6182#true} #338#return; {6182#true} is VALID [2022-02-20 21:10:55,425 INFO L290 TraceCheckUtils]: 23: Hoare triple {6182#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {6182#true} is VALID [2022-02-20 21:10:55,425 INFO L290 TraceCheckUtils]: 24: Hoare triple {6182#true} assume true; {6182#true} is VALID [2022-02-20 21:10:55,425 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {6182#true} {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} #288#return; {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} is VALID [2022-02-20 21:10:55,425 INFO L272 TraceCheckUtils]: 26: Hoare triple {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_harness_#t~ret678#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {6182#true} is VALID [2022-02-20 21:10:55,425 INFO L290 TraceCheckUtils]: 27: Hoare triple {6182#true} ~cond := #in~cond; {6182#true} is VALID [2022-02-20 21:10:55,426 INFO L290 TraceCheckUtils]: 28: Hoare triple {6182#true} assume !(0bv8 == ~cond); {6182#true} is VALID [2022-02-20 21:10:55,426 INFO L290 TraceCheckUtils]: 29: Hoare triple {6182#true} assume true; {6182#true} is VALID [2022-02-20 21:10:55,426 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {6182#true} {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} #290#return; {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} is VALID [2022-02-20 21:10:55,427 INFO L290 TraceCheckUtils]: 31: Hoare triple {6190#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_harness_~#list~0#1.offset|)} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, ~bvadd64(24bv64, aws_linked_list_pop_back_harness_~#list~0#1.offset), 8bv64);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, ~bvadd64(8bv64, aws_linked_list_pop_back_harness_#t~mem679#1.offset), 8bv64);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {6281#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|)} is VALID [2022-02-20 21:10:55,427 INFO L272 TraceCheckUtils]: 32: Hoare triple {6281#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|)} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {6182#true} is VALID [2022-02-20 21:10:55,427 INFO L290 TraceCheckUtils]: 33: Hoare triple {6182#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6182#true} is VALID [2022-02-20 21:10:55,427 INFO L272 TraceCheckUtils]: 34: Hoare triple {6182#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {6182#true} is VALID [2022-02-20 21:10:55,427 INFO L290 TraceCheckUtils]: 35: Hoare triple {6182#true} ~cond := #in~cond; {6182#true} is VALID [2022-02-20 21:10:55,427 INFO L290 TraceCheckUtils]: 36: Hoare triple {6182#true} assume !(0bv8 == ~cond); {6182#true} is VALID [2022-02-20 21:10:55,427 INFO L290 TraceCheckUtils]: 37: Hoare triple {6182#true} assume true; {6182#true} is VALID [2022-02-20 21:10:55,428 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {6182#true} {6182#true} #338#return; {6182#true} is VALID [2022-02-20 21:10:55,428 INFO L290 TraceCheckUtils]: 39: Hoare triple {6182#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {6182#true} is VALID [2022-02-20 21:10:55,428 INFO L290 TraceCheckUtils]: 40: Hoare triple {6182#true} assume true; {6182#true} is VALID [2022-02-20 21:10:55,428 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {6182#true} {6281#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|)} #292#return; {6281#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|)} is VALID [2022-02-20 21:10:55,428 INFO L272 TraceCheckUtils]: 42: Hoare triple {6281#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|)} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_#t~ret395#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {6182#true} is VALID [2022-02-20 21:10:55,429 INFO L290 TraceCheckUtils]: 43: Hoare triple {6182#true} ~cond := #in~cond; {6182#true} is VALID [2022-02-20 21:10:55,429 INFO L290 TraceCheckUtils]: 44: Hoare triple {6182#true} assume !(0bv8 == ~cond); {6182#true} is VALID [2022-02-20 21:10:55,429 INFO L290 TraceCheckUtils]: 45: Hoare triple {6182#true} assume true; {6182#true} is VALID [2022-02-20 21:10:55,429 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {6182#true} {6281#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|)} #294#return; {6281#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|)} is VALID [2022-02-20 21:10:55,430 INFO L290 TraceCheckUtils]: 47: Hoare triple {6281#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|)} havoc aws_linked_list_pop_back_#t~ret395#1; {6281#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|)} is VALID [2022-02-20 21:10:55,430 INFO L272 TraceCheckUtils]: 48: Hoare triple {6281#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|)} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {6182#true} is VALID [2022-02-20 21:10:55,430 INFO L290 TraceCheckUtils]: 49: Hoare triple {6182#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} is VALID [2022-02-20 21:10:55,430 INFO L290 TraceCheckUtils]: 50: Hoare triple {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} is VALID [2022-02-20 21:10:55,431 INFO L290 TraceCheckUtils]: 51: Hoare triple {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} #t~short301#1 := #t~short299#1; {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} is VALID [2022-02-20 21:10:55,431 INFO L290 TraceCheckUtils]: 52: Hoare triple {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(8bv64, ~list#1.offset), 8bv64);#t~short301#1 := #t~mem300#1.base == 0bv64 && #t~mem300#1.offset == 0bv64; {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} is VALID [2022-02-20 21:10:55,431 INFO L290 TraceCheckUtils]: 53: Hoare triple {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} #t~short303#1 := #t~short301#1; {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} is VALID [2022-02-20 21:10:55,431 INFO L290 TraceCheckUtils]: 54: Hoare triple {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(24bv64, ~list#1.offset), 8bv64);#t~short303#1 := #t~mem302#1.base != 0bv64 || #t~mem302#1.offset != 0bv64; {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} is VALID [2022-02-20 21:10:55,432 INFO L290 TraceCheckUtils]: 55: Hoare triple {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} #t~short305#1 := #t~short303#1; {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} is VALID [2022-02-20 21:10:55,432 INFO L290 TraceCheckUtils]: 56: Hoare triple {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} is VALID [2022-02-20 21:10:55,432 INFO L290 TraceCheckUtils]: 57: Hoare triple {6336#(= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|)} assume #t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;assume { :begin_inline_aws_linked_list_is_valid_deep } true;aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset := ~list#1.base, ~list#1.offset;havoc aws_linked_list_is_valid_deep_#res#1;havoc aws_linked_list_is_valid_deep_#t~ret317#1, aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset, aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset, aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset, aws_linked_list_is_valid_deep_~head_reaches_tail~0#1;aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset := aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset; {6361#(= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)} is VALID [2022-02-20 21:10:55,433 INFO L290 TraceCheckUtils]: 58: Hoare triple {6361#(= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|)} assume !(aws_linked_list_is_valid_deep_~list#1.base == 0bv64 && aws_linked_list_is_valid_deep_~list#1.offset == 0bv64);aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset := aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset;aws_linked_list_is_valid_deep_~head_reaches_tail~0#1 := 0bv8; {6365#(and (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))} is VALID [2022-02-20 21:10:55,434 INFO L290 TraceCheckUtils]: 59: Hoare triple {6365#(and (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))} assume !!(aws_linked_list_is_valid_deep_~temp~0#1.base != 0bv64 || aws_linked_list_is_valid_deep_~temp~0#1.offset != 0bv64); {6365#(and (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))} is VALID [2022-02-20 21:10:55,435 INFO L290 TraceCheckUtils]: 60: Hoare triple {6365#(and (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))} assume aws_linked_list_is_valid_deep_~temp~0#1.base == aws_linked_list_is_valid_deep_~list#1.base && aws_linked_list_is_valid_deep_~temp~0#1.offset == ~bvadd64(16bv64, aws_linked_list_is_valid_deep_~list#1.offset);aws_linked_list_is_valid_deep_~head_reaches_tail~0#1 := 1bv8; {6183#false} is VALID [2022-02-20 21:10:55,435 INFO L290 TraceCheckUtils]: 61: Hoare triple {6183#false} aws_linked_list_is_valid_deep_#res#1 := aws_linked_list_is_valid_deep_~head_reaches_tail~0#1; {6183#false} is VALID [2022-02-20 21:10:55,435 INFO L290 TraceCheckUtils]: 62: Hoare triple {6183#false} #t~ret306#1 := aws_linked_list_is_valid_deep_#res#1;assume { :end_inline_aws_linked_list_is_valid_deep } true;#res#1 := #t~ret306#1;havoc #t~ret306#1; {6183#false} is VALID [2022-02-20 21:10:55,435 INFO L290 TraceCheckUtils]: 63: Hoare triple {6183#false} assume true; {6183#false} is VALID [2022-02-20 21:10:55,436 INFO L284 TraceCheckUtils]: 64: Hoare quadruple {6183#false} {6281#(= (_ bv0 64) |ULTIMATE.start_aws_linked_list_pop_back_~list#1.offset|)} #296#return; {6183#false} is VALID [2022-02-20 21:10:55,436 INFO L272 TraceCheckUtils]: 65: Hoare triple {6183#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {6183#false} is VALID [2022-02-20 21:10:55,436 INFO L290 TraceCheckUtils]: 66: Hoare triple {6183#false} ~cond := #in~cond; {6183#false} is VALID [2022-02-20 21:10:55,436 INFO L290 TraceCheckUtils]: 67: Hoare triple {6183#false} assume !(0bv8 == ~cond); {6183#false} is VALID [2022-02-20 21:10:55,436 INFO L290 TraceCheckUtils]: 68: Hoare triple {6183#false} assume true; {6183#false} is VALID [2022-02-20 21:10:55,436 INFO L284 TraceCheckUtils]: 69: Hoare quadruple {6183#false} {6183#false} #298#return; {6183#false} is VALID [2022-02-20 21:10:55,436 INFO L290 TraceCheckUtils]: 70: Hoare triple {6183#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {6183#false} is VALID [2022-02-20 21:10:55,436 INFO L272 TraceCheckUtils]: 71: Hoare triple {6183#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {6183#false} is VALID [2022-02-20 21:10:55,437 INFO L290 TraceCheckUtils]: 72: Hoare triple {6183#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {6183#false} is VALID [2022-02-20 21:10:55,437 INFO L290 TraceCheckUtils]: 73: Hoare triple {6183#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {6183#false} is VALID [2022-02-20 21:10:55,437 INFO L290 TraceCheckUtils]: 74: Hoare triple {6183#false} #t~short301#1 := #t~short299#1; {6183#false} is VALID [2022-02-20 21:10:55,437 INFO L290 TraceCheckUtils]: 75: Hoare triple {6183#false} assume !#t~short301#1; {6183#false} is VALID [2022-02-20 21:10:55,437 INFO L290 TraceCheckUtils]: 76: Hoare triple {6183#false} #t~short303#1 := #t~short301#1; {6183#false} is VALID [2022-02-20 21:10:55,437 INFO L290 TraceCheckUtils]: 77: Hoare triple {6183#false} assume !#t~short303#1; {6183#false} is VALID [2022-02-20 21:10:55,437 INFO L290 TraceCheckUtils]: 78: Hoare triple {6183#false} #t~short305#1 := #t~short303#1; {6183#false} is VALID [2022-02-20 21:10:55,437 INFO L290 TraceCheckUtils]: 79: Hoare triple {6183#false} assume !#t~short305#1; {6183#false} is VALID [2022-02-20 21:10:55,437 INFO L290 TraceCheckUtils]: 80: Hoare triple {6183#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {6183#false} is VALID [2022-02-20 21:10:55,438 INFO L290 TraceCheckUtils]: 81: Hoare triple {6183#false} assume true; {6183#false} is VALID [2022-02-20 21:10:55,438 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {6183#false} {6183#false} #300#return; {6183#false} is VALID [2022-02-20 21:10:55,438 INFO L272 TraceCheckUtils]: 83: Hoare triple {6183#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {6183#false} is VALID [2022-02-20 21:10:55,438 INFO L290 TraceCheckUtils]: 84: Hoare triple {6183#false} ~cond := #in~cond; {6183#false} is VALID [2022-02-20 21:10:55,438 INFO L290 TraceCheckUtils]: 85: Hoare triple {6183#false} assume !(0bv8 == ~cond); {6183#false} is VALID [2022-02-20 21:10:55,438 INFO L290 TraceCheckUtils]: 86: Hoare triple {6183#false} assume true; {6183#false} is VALID [2022-02-20 21:10:55,438 INFO L284 TraceCheckUtils]: 87: Hoare quadruple {6183#false} {6183#false} #302#return; {6183#false} is VALID [2022-02-20 21:10:55,438 INFO L290 TraceCheckUtils]: 88: Hoare triple {6183#false} havoc aws_linked_list_back_#t~ret389#1; {6183#false} is VALID [2022-02-20 21:10:55,439 INFO L272 TraceCheckUtils]: 89: Hoare triple {6183#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {6183#false} is VALID [2022-02-20 21:10:55,439 INFO L290 TraceCheckUtils]: 90: Hoare triple {6183#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {6183#false} is VALID [2022-02-20 21:10:55,439 INFO L272 TraceCheckUtils]: 91: Hoare triple {6183#false} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {6183#false} is VALID [2022-02-20 21:10:55,439 INFO L290 TraceCheckUtils]: 92: Hoare triple {6183#false} ~cond := #in~cond; {6183#false} is VALID [2022-02-20 21:10:55,439 INFO L290 TraceCheckUtils]: 93: Hoare triple {6183#false} assume !(0bv8 == ~cond); {6183#false} is VALID [2022-02-20 21:10:55,439 INFO L290 TraceCheckUtils]: 94: Hoare triple {6183#false} assume true; {6183#false} is VALID [2022-02-20 21:10:55,439 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {6183#false} {6183#false} #338#return; {6183#false} is VALID [2022-02-20 21:10:55,439 INFO L290 TraceCheckUtils]: 96: Hoare triple {6183#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {6183#false} is VALID [2022-02-20 21:10:55,440 INFO L290 TraceCheckUtils]: 97: Hoare triple {6183#false} assume true; {6183#false} is VALID [2022-02-20 21:10:55,440 INFO L284 TraceCheckUtils]: 98: Hoare quadruple {6183#false} {6183#false} #304#return; {6183#false} is VALID [2022-02-20 21:10:55,440 INFO L272 TraceCheckUtils]: 99: Hoare triple {6183#false} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_back_#t~ret390#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {6183#false} is VALID [2022-02-20 21:10:55,440 INFO L290 TraceCheckUtils]: 100: Hoare triple {6183#false} ~cond := #in~cond; {6183#false} is VALID [2022-02-20 21:10:55,440 INFO L290 TraceCheckUtils]: 101: Hoare triple {6183#false} assume !(0bv8 == ~cond); {6183#false} is VALID [2022-02-20 21:10:55,440 INFO L290 TraceCheckUtils]: 102: Hoare triple {6183#false} assume true; {6183#false} is VALID [2022-02-20 21:10:55,441 INFO L284 TraceCheckUtils]: 103: Hoare quadruple {6183#false} {6183#false} #306#return; {6183#false} is VALID [2022-02-20 21:10:55,441 INFO L290 TraceCheckUtils]: 104: Hoare triple {6183#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, ~bvadd64(24bv64, aws_linked_list_back_~list#1.offset), 8bv64);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {6183#false} is VALID [2022-02-20 21:10:55,441 INFO L272 TraceCheckUtils]: 105: Hoare triple {6183#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {6183#false} is VALID [2022-02-20 21:10:55,441 INFO L290 TraceCheckUtils]: 106: Hoare triple {6183#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {6183#false} is VALID [2022-02-20 21:10:55,441 INFO L290 TraceCheckUtils]: 107: Hoare triple {6183#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {6183#false} is VALID [2022-02-20 21:10:55,441 INFO L290 TraceCheckUtils]: 108: Hoare triple {6183#false} #t~short301#1 := #t~short299#1; {6183#false} is VALID [2022-02-20 21:10:55,441 INFO L290 TraceCheckUtils]: 109: Hoare triple {6183#false} assume !#t~short301#1; {6183#false} is VALID [2022-02-20 21:10:55,441 INFO L290 TraceCheckUtils]: 110: Hoare triple {6183#false} #t~short303#1 := #t~short301#1; {6183#false} is VALID [2022-02-20 21:10:55,442 INFO L290 TraceCheckUtils]: 111: Hoare triple {6183#false} assume !#t~short303#1; {6183#false} is VALID [2022-02-20 21:10:55,442 INFO L290 TraceCheckUtils]: 112: Hoare triple {6183#false} #t~short305#1 := #t~short303#1; {6183#false} is VALID [2022-02-20 21:10:55,442 INFO L290 TraceCheckUtils]: 113: Hoare triple {6183#false} assume !#t~short305#1; {6183#false} is VALID [2022-02-20 21:10:55,442 INFO L290 TraceCheckUtils]: 114: Hoare triple {6183#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {6183#false} is VALID [2022-02-20 21:10:55,442 INFO L290 TraceCheckUtils]: 115: Hoare triple {6183#false} assume true; {6183#false} is VALID [2022-02-20 21:10:55,442 INFO L284 TraceCheckUtils]: 116: Hoare quadruple {6183#false} {6183#false} #308#return; {6183#false} is VALID [2022-02-20 21:10:55,442 INFO L272 TraceCheckUtils]: 117: Hoare triple {6183#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {6183#false} is VALID [2022-02-20 21:10:55,443 INFO L290 TraceCheckUtils]: 118: Hoare triple {6183#false} ~cond := #in~cond; {6183#false} is VALID [2022-02-20 21:10:55,443 INFO L290 TraceCheckUtils]: 119: Hoare triple {6183#false} assume 0bv8 == ~cond; {6183#false} is VALID [2022-02-20 21:10:55,443 INFO L290 TraceCheckUtils]: 120: Hoare triple {6183#false} assume !false; {6183#false} is VALID [2022-02-20 21:10:55,443 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-02-20 21:10:55,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:55,443 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 21:10:55,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751236843] [2022-02-20 21:10:55,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [751236843] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:55,444 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:10:55,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 21:10:55,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301679233] [2022-02-20 21:10:55,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:55,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 121 [2022-02-20 21:10:55,445 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:55,445 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:55,552 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:55,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 21:10:55,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 21:10:55,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 21:10:55,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-20 21:10:55,553 INFO L87 Difference]: Start difference. First operand 144 states and 195 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:56,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:56,727 INFO L93 Difference]: Finished difference Result 277 states and 385 transitions. [2022-02-20 21:10:56,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 21:10:56,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 121 [2022-02-20 21:10:56,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 355 transitions. [2022-02-20 21:10:56,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:56,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 355 transitions. [2022-02-20 21:10:56,738 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 355 transitions. [2022-02-20 21:10:57,034 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 355 edges. 355 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:57,037 INFO L225 Difference]: With dead ends: 277 [2022-02-20 21:10:57,037 INFO L226 Difference]: Without dead ends: 153 [2022-02-20 21:10:57,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-02-20 21:10:57,038 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 82 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:57,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 701 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 21:10:57,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-02-20 21:10:57,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 145. [2022-02-20 21:10:57,050 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:57,050 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand has 145 states, 95 states have (on average 1.231578947368421) internal successors, (117), 98 states have internal predecessors, (117), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:57,051 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand has 145 states, 95 states have (on average 1.231578947368421) internal successors, (117), 98 states have internal predecessors, (117), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:57,051 INFO L87 Difference]: Start difference. First operand 153 states. Second operand has 145 states, 95 states have (on average 1.231578947368421) internal successors, (117), 98 states have internal predecessors, (117), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:57,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:57,057 INFO L93 Difference]: Finished difference Result 153 states and 211 transitions. [2022-02-20 21:10:57,057 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions. [2022-02-20 21:10:57,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:57,058 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:57,058 INFO L74 IsIncluded]: Start isIncluded. First operand has 145 states, 95 states have (on average 1.231578947368421) internal successors, (117), 98 states have internal predecessors, (117), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) Second operand 153 states. [2022-02-20 21:10:57,058 INFO L87 Difference]: Start difference. First operand has 145 states, 95 states have (on average 1.231578947368421) internal successors, (117), 98 states have internal predecessors, (117), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) Second operand 153 states. [2022-02-20 21:10:57,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:57,061 INFO L93 Difference]: Finished difference Result 153 states and 211 transitions. [2022-02-20 21:10:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions. [2022-02-20 21:10:57,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:57,062 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:57,062 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:57,062 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 95 states have (on average 1.231578947368421) internal successors, (117), 98 states have internal predecessors, (117), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 196 transitions. [2022-02-20 21:10:57,065 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 196 transitions. Word has length 121 [2022-02-20 21:10:57,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:57,066 INFO L470 AbstractCegarLoop]: Abstraction has 145 states and 196 transitions. [2022-02-20 21:10:57,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-02-20 21:10:57,066 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 196 transitions. [2022-02-20 21:10:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-02-20 21:10:57,067 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:57,067 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2022-02-20 21:10:57,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-02-20 21:10:57,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 21:10:57,267 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:57,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:57,268 INFO L85 PathProgramCache]: Analyzing trace with hash 546558767, now seen corresponding path program 1 times [2022-02-20 21:10:57,268 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 21:10:57,268 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327118145] [2022-02-20 21:10:57,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:57,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 21:10:57,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 21:10:57,270 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 21:10:57,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-02-20 21:10:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:57,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-20 21:10:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:57,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:57,742 INFO L290 TraceCheckUtils]: 0: Hoare triple {7447#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv64, 0bv64;assume 0bv1 == #valid[0bv64];assume ~bvult64(0bv64, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv64, 1bv64);call write~init~intINTTYPE1(48bv8, 1bv64, 0bv64, 1bv64);call write~init~intINTTYPE1(0bv8, 1bv64, 1bv64, 1bv64);call #Ultimate.allocInit(35bv64, 2bv64);call #Ultimate.allocInit(12bv64, 3bv64);call #Ultimate.allocInit(78bv64, 4bv64);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5bv64, 0bv64;call #Ultimate.allocInit(40bv64, 5bv64);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(8bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(16bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(24bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#s_can_fail_allocator_static~0.base, ~bvadd64(32bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);~tl_last_error~0 := 0bv32; {7447#true} is VALID [2022-02-20 21:10:57,742 INFO L290 TraceCheckUtils]: 1: Hoare triple {7447#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32bv64);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20bv64;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {7447#true} is VALID [2022-02-20 21:10:57,742 INFO L272 TraceCheckUtils]: 2: Hoare triple {7447#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L290 TraceCheckUtils]: 3: Hoare triple {7447#true} #res := #t~nondet13;havoc #t~nondet13; {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L290 TraceCheckUtils]: 4: Hoare triple {7447#true} assume true; {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {7447#true} {7447#true} #284#return; {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L290 TraceCheckUtils]: 6: Hoare triple {7447#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L272 TraceCheckUtils]: 7: Hoare triple {7447#true} call assume_abort_if_not((if 0bv32 == (if ~bvule64(ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~max_length#1) then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L290 TraceCheckUtils]: 8: Hoare triple {7447#true} ~cond := #in~cond; {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L290 TraceCheckUtils]: 9: Hoare triple {7447#true} assume !(0bv8 == ~cond); {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L290 TraceCheckUtils]: 10: Hoare triple {7447#true} assume true; {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {7447#true} {7447#true} #286#return; {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L290 TraceCheckUtils]: 12: Hoare triple {7447#true} call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(8bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0bv64; {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L290 TraceCheckUtils]: 13: Hoare triple {7447#true} assume !~bvult64(ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~length~1#1); {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L290 TraceCheckUtils]: 14: Hoare triple {7447#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8bv64);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(24bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64); {7447#true} is VALID [2022-02-20 21:10:57,743 INFO L290 TraceCheckUtils]: 15: Hoare triple {7447#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L272 TraceCheckUtils]: 16: Hoare triple {7447#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L290 TraceCheckUtils]: 17: Hoare triple {7447#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L272 TraceCheckUtils]: 18: Hoare triple {7447#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L290 TraceCheckUtils]: 19: Hoare triple {7447#true} ~cond := #in~cond; {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L290 TraceCheckUtils]: 20: Hoare triple {7447#true} assume !(0bv8 == ~cond); {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L290 TraceCheckUtils]: 21: Hoare triple {7447#true} assume true; {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {7447#true} {7447#true} #338#return; {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L290 TraceCheckUtils]: 23: Hoare triple {7447#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L290 TraceCheckUtils]: 24: Hoare triple {7447#true} assume true; {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {7447#true} {7447#true} #288#return; {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L272 TraceCheckUtils]: 26: Hoare triple {7447#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_harness_#t~ret678#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {7447#true} is VALID [2022-02-20 21:10:57,744 INFO L290 TraceCheckUtils]: 27: Hoare triple {7447#true} ~cond := #in~cond; {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L290 TraceCheckUtils]: 28: Hoare triple {7447#true} assume !(0bv8 == ~cond); {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L290 TraceCheckUtils]: 29: Hoare triple {7447#true} assume true; {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {7447#true} {7447#true} #290#return; {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L290 TraceCheckUtils]: 31: Hoare triple {7447#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, ~bvadd64(24bv64, aws_linked_list_pop_back_harness_~#list~0#1.offset), 8bv64);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, ~bvadd64(8bv64, aws_linked_list_pop_back_harness_#t~mem679#1.offset), 8bv64);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L272 TraceCheckUtils]: 32: Hoare triple {7447#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L290 TraceCheckUtils]: 33: Hoare triple {7447#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L272 TraceCheckUtils]: 34: Hoare triple {7447#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L290 TraceCheckUtils]: 35: Hoare triple {7447#true} ~cond := #in~cond; {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L290 TraceCheckUtils]: 36: Hoare triple {7447#true} assume !(0bv8 == ~cond); {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L290 TraceCheckUtils]: 37: Hoare triple {7447#true} assume true; {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {7447#true} {7447#true} #338#return; {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L290 TraceCheckUtils]: 39: Hoare triple {7447#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L290 TraceCheckUtils]: 40: Hoare triple {7447#true} assume true; {7447#true} is VALID [2022-02-20 21:10:57,745 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {7447#true} {7447#true} #292#return; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L272 TraceCheckUtils]: 42: Hoare triple {7447#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_#t~ret395#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 43: Hoare triple {7447#true} ~cond := #in~cond; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 44: Hoare triple {7447#true} assume !(0bv8 == ~cond); {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 45: Hoare triple {7447#true} assume true; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {7447#true} {7447#true} #294#return; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 47: Hoare triple {7447#true} havoc aws_linked_list_pop_back_#t~ret395#1; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L272 TraceCheckUtils]: 48: Hoare triple {7447#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 49: Hoare triple {7447#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 50: Hoare triple {7447#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 51: Hoare triple {7447#true} #t~short301#1 := #t~short299#1; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 52: Hoare triple {7447#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(8bv64, ~list#1.offset), 8bv64);#t~short301#1 := #t~mem300#1.base == 0bv64 && #t~mem300#1.offset == 0bv64; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 53: Hoare triple {7447#true} #t~short303#1 := #t~short301#1; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 54: Hoare triple {7447#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(24bv64, ~list#1.offset), 8bv64);#t~short303#1 := #t~mem302#1.base != 0bv64 || #t~mem302#1.offset != 0bv64; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 55: Hoare triple {7447#true} #t~short305#1 := #t~short303#1; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 56: Hoare triple {7447#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {7447#true} is VALID [2022-02-20 21:10:57,746 INFO L290 TraceCheckUtils]: 57: Hoare triple {7447#true} assume #t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;assume { :begin_inline_aws_linked_list_is_valid_deep } true;aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset := ~list#1.base, ~list#1.offset;havoc aws_linked_list_is_valid_deep_#res#1;havoc aws_linked_list_is_valid_deep_#t~ret317#1, aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset, aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset, aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset, aws_linked_list_is_valid_deep_~head_reaches_tail~0#1;aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset := aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset; {7447#true} is VALID [2022-02-20 21:10:57,747 INFO L290 TraceCheckUtils]: 58: Hoare triple {7447#true} assume !(aws_linked_list_is_valid_deep_~list#1.base == 0bv64 && aws_linked_list_is_valid_deep_~list#1.offset == 0bv64);aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset := aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset;aws_linked_list_is_valid_deep_~head_reaches_tail~0#1 := 0bv8; {7447#true} is VALID [2022-02-20 21:10:57,747 INFO L290 TraceCheckUtils]: 59: Hoare triple {7447#true} assume !!(aws_linked_list_is_valid_deep_~temp~0#1.base != 0bv64 || aws_linked_list_is_valid_deep_~temp~0#1.offset != 0bv64); {7447#true} is VALID [2022-02-20 21:10:57,747 INFO L290 TraceCheckUtils]: 60: Hoare triple {7447#true} assume !(aws_linked_list_is_valid_deep_~temp~0#1.base == aws_linked_list_is_valid_deep_~list#1.base && aws_linked_list_is_valid_deep_~temp~0#1.offset == ~bvadd64(16bv64, aws_linked_list_is_valid_deep_~list#1.offset)); {7447#true} is VALID [2022-02-20 21:10:57,747 INFO L272 TraceCheckUtils]: 61: Hoare triple {7447#true} call aws_linked_list_is_valid_deep_#t~ret317#1 := aws_linked_list_node_next_is_valid(aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset); {7447#true} is VALID [2022-02-20 21:10:57,747 INFO L290 TraceCheckUtils]: 62: Hoare triple {7447#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short308 := ~node.base != 0bv64 || ~node.offset != 0bv64; {7447#true} is VALID [2022-02-20 21:10:57,747 INFO L290 TraceCheckUtils]: 63: Hoare triple {7447#true} assume #t~short308;call #t~mem307.base, #t~mem307.offset := read~$Pointer$(~node.base, ~node.offset, 8bv64);#t~short308 := #t~mem307.base != 0bv64 || #t~mem307.offset != 0bv64; {7447#true} is VALID [2022-02-20 21:10:57,747 INFO L290 TraceCheckUtils]: 64: Hoare triple {7447#true} #t~short311 := #t~short308; {7447#true} is VALID [2022-02-20 21:10:57,747 INFO L290 TraceCheckUtils]: 65: Hoare triple {7447#true} assume #t~short311;call #t~mem309.base, #t~mem309.offset := read~$Pointer$(~node.base, ~node.offset, 8bv64);call #t~mem310.base, #t~mem310.offset := read~$Pointer$(#t~mem309.base, ~bvadd64(8bv64, #t~mem309.offset), 8bv64);#t~short311 := #t~mem310.base == ~node.base && #t~mem310.offset == ~node.offset; {7447#true} is VALID [2022-02-20 21:10:57,747 INFO L290 TraceCheckUtils]: 66: Hoare triple {7447#true} #res := (if 0bv32 == (if #t~short311 then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem307.base, #t~mem307.offset;havoc #t~short308;havoc #t~mem309.base, #t~mem309.offset;havoc #t~mem310.base, #t~mem310.offset;havoc #t~short311; {7447#true} is VALID [2022-02-20 21:10:57,747 INFO L290 TraceCheckUtils]: 67: Hoare triple {7447#true} assume true; {7447#true} is VALID [2022-02-20 21:10:57,748 INFO L284 TraceCheckUtils]: 68: Hoare quadruple {7447#true} {7447#true} #336#return; {7447#true} is VALID [2022-02-20 21:10:57,748 INFO L290 TraceCheckUtils]: 69: Hoare triple {7447#true} assume 0bv8 == aws_linked_list_is_valid_deep_#t~ret317#1;havoc aws_linked_list_is_valid_deep_#t~ret317#1;aws_linked_list_is_valid_deep_#res#1 := 0bv8; {7659#(= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_#res#1| (_ bv0 8))} is VALID [2022-02-20 21:10:57,748 INFO L290 TraceCheckUtils]: 70: Hoare triple {7659#(= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_#res#1| (_ bv0 8))} #t~ret306#1 := aws_linked_list_is_valid_deep_#res#1;assume { :end_inline_aws_linked_list_is_valid_deep } true;#res#1 := #t~ret306#1;havoc #t~ret306#1; {7663#(= |aws_linked_list_is_valid_#res#1| (_ bv0 8))} is VALID [2022-02-20 21:10:57,749 INFO L290 TraceCheckUtils]: 71: Hoare triple {7663#(= |aws_linked_list_is_valid_#res#1| (_ bv0 8))} assume true; {7663#(= |aws_linked_list_is_valid_#res#1| (_ bv0 8))} is VALID [2022-02-20 21:10:57,749 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {7663#(= |aws_linked_list_is_valid_#res#1| (_ bv0 8))} {7447#true} #296#return; {7670#(= (_ bv0 8) |ULTIMATE.start_aws_linked_list_pop_back_#t~ret396#1|)} is VALID [2022-02-20 21:10:57,750 INFO L272 TraceCheckUtils]: 73: Hoare triple {7670#(= (_ bv0 8) |ULTIMATE.start_aws_linked_list_pop_back_#t~ret396#1|)} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {7447#true} is VALID [2022-02-20 21:10:57,750 INFO L290 TraceCheckUtils]: 74: Hoare triple {7447#true} ~cond := #in~cond; {7677#(= |assume_abort_if_not_#in~cond| assume_abort_if_not_~cond)} is VALID [2022-02-20 21:10:57,750 INFO L290 TraceCheckUtils]: 75: Hoare triple {7677#(= |assume_abort_if_not_#in~cond| assume_abort_if_not_~cond)} assume !(0bv8 == ~cond); {7681#(not (= |assume_abort_if_not_#in~cond| (_ bv0 8)))} is VALID [2022-02-20 21:10:57,751 INFO L290 TraceCheckUtils]: 76: Hoare triple {7681#(not (= |assume_abort_if_not_#in~cond| (_ bv0 8)))} assume true; {7681#(not (= |assume_abort_if_not_#in~cond| (_ bv0 8)))} is VALID [2022-02-20 21:10:57,751 INFO L284 TraceCheckUtils]: 77: Hoare quadruple {7681#(not (= |assume_abort_if_not_#in~cond| (_ bv0 8)))} {7670#(= (_ bv0 8) |ULTIMATE.start_aws_linked_list_pop_back_#t~ret396#1|)} #298#return; {7448#false} is VALID [2022-02-20 21:10:57,751 INFO L290 TraceCheckUtils]: 78: Hoare triple {7448#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {7448#false} is VALID [2022-02-20 21:10:57,751 INFO L272 TraceCheckUtils]: 79: Hoare triple {7448#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {7448#false} is VALID [2022-02-20 21:10:57,751 INFO L290 TraceCheckUtils]: 80: Hoare triple {7448#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {7448#false} is VALID [2022-02-20 21:10:57,752 INFO L290 TraceCheckUtils]: 81: Hoare triple {7448#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {7448#false} is VALID [2022-02-20 21:10:57,752 INFO L290 TraceCheckUtils]: 82: Hoare triple {7448#false} #t~short301#1 := #t~short299#1; {7448#false} is VALID [2022-02-20 21:10:57,752 INFO L290 TraceCheckUtils]: 83: Hoare triple {7448#false} assume !#t~short301#1; {7448#false} is VALID [2022-02-20 21:10:57,752 INFO L290 TraceCheckUtils]: 84: Hoare triple {7448#false} #t~short303#1 := #t~short301#1; {7448#false} is VALID [2022-02-20 21:10:57,752 INFO L290 TraceCheckUtils]: 85: Hoare triple {7448#false} assume !#t~short303#1; {7448#false} is VALID [2022-02-20 21:10:57,752 INFO L290 TraceCheckUtils]: 86: Hoare triple {7448#false} #t~short305#1 := #t~short303#1; {7448#false} is VALID [2022-02-20 21:10:57,752 INFO L290 TraceCheckUtils]: 87: Hoare triple {7448#false} assume !#t~short305#1; {7448#false} is VALID [2022-02-20 21:10:57,752 INFO L290 TraceCheckUtils]: 88: Hoare triple {7448#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {7448#false} is VALID [2022-02-20 21:10:57,753 INFO L290 TraceCheckUtils]: 89: Hoare triple {7448#false} assume true; {7448#false} is VALID [2022-02-20 21:10:57,753 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {7448#false} {7448#false} #300#return; {7448#false} is VALID [2022-02-20 21:10:57,753 INFO L272 TraceCheckUtils]: 91: Hoare triple {7448#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {7448#false} is VALID [2022-02-20 21:10:57,753 INFO L290 TraceCheckUtils]: 92: Hoare triple {7448#false} ~cond := #in~cond; {7448#false} is VALID [2022-02-20 21:10:57,753 INFO L290 TraceCheckUtils]: 93: Hoare triple {7448#false} assume !(0bv8 == ~cond); {7448#false} is VALID [2022-02-20 21:10:57,753 INFO L290 TraceCheckUtils]: 94: Hoare triple {7448#false} assume true; {7448#false} is VALID [2022-02-20 21:10:57,753 INFO L284 TraceCheckUtils]: 95: Hoare quadruple {7448#false} {7448#false} #302#return; {7448#false} is VALID [2022-02-20 21:10:57,753 INFO L290 TraceCheckUtils]: 96: Hoare triple {7448#false} havoc aws_linked_list_back_#t~ret389#1; {7448#false} is VALID [2022-02-20 21:10:57,753 INFO L272 TraceCheckUtils]: 97: Hoare triple {7448#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {7448#false} is VALID [2022-02-20 21:10:57,754 INFO L290 TraceCheckUtils]: 98: Hoare triple {7448#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {7448#false} is VALID [2022-02-20 21:10:57,754 INFO L272 TraceCheckUtils]: 99: Hoare triple {7448#false} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {7448#false} is VALID [2022-02-20 21:10:57,754 INFO L290 TraceCheckUtils]: 100: Hoare triple {7448#false} ~cond := #in~cond; {7448#false} is VALID [2022-02-20 21:10:57,754 INFO L290 TraceCheckUtils]: 101: Hoare triple {7448#false} assume !(0bv8 == ~cond); {7448#false} is VALID [2022-02-20 21:10:57,754 INFO L290 TraceCheckUtils]: 102: Hoare triple {7448#false} assume true; {7448#false} is VALID [2022-02-20 21:10:57,754 INFO L284 TraceCheckUtils]: 103: Hoare quadruple {7448#false} {7448#false} #338#return; {7448#false} is VALID [2022-02-20 21:10:57,754 INFO L290 TraceCheckUtils]: 104: Hoare triple {7448#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {7448#false} is VALID [2022-02-20 21:10:57,754 INFO L290 TraceCheckUtils]: 105: Hoare triple {7448#false} assume true; {7448#false} is VALID [2022-02-20 21:10:57,755 INFO L284 TraceCheckUtils]: 106: Hoare quadruple {7448#false} {7448#false} #304#return; {7448#false} is VALID [2022-02-20 21:10:57,755 INFO L272 TraceCheckUtils]: 107: Hoare triple {7448#false} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_back_#t~ret390#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {7448#false} is VALID [2022-02-20 21:10:57,755 INFO L290 TraceCheckUtils]: 108: Hoare triple {7448#false} ~cond := #in~cond; {7448#false} is VALID [2022-02-20 21:10:57,755 INFO L290 TraceCheckUtils]: 109: Hoare triple {7448#false} assume !(0bv8 == ~cond); {7448#false} is VALID [2022-02-20 21:10:57,755 INFO L290 TraceCheckUtils]: 110: Hoare triple {7448#false} assume true; {7448#false} is VALID [2022-02-20 21:10:57,755 INFO L284 TraceCheckUtils]: 111: Hoare quadruple {7448#false} {7448#false} #306#return; {7448#false} is VALID [2022-02-20 21:10:57,755 INFO L290 TraceCheckUtils]: 112: Hoare triple {7448#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, ~bvadd64(24bv64, aws_linked_list_back_~list#1.offset), 8bv64);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {7448#false} is VALID [2022-02-20 21:10:57,755 INFO L272 TraceCheckUtils]: 113: Hoare triple {7448#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {7448#false} is VALID [2022-02-20 21:10:57,756 INFO L290 TraceCheckUtils]: 114: Hoare triple {7448#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {7448#false} is VALID [2022-02-20 21:10:57,756 INFO L290 TraceCheckUtils]: 115: Hoare triple {7448#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {7448#false} is VALID [2022-02-20 21:10:57,756 INFO L290 TraceCheckUtils]: 116: Hoare triple {7448#false} #t~short301#1 := #t~short299#1; {7448#false} is VALID [2022-02-20 21:10:57,756 INFO L290 TraceCheckUtils]: 117: Hoare triple {7448#false} assume !#t~short301#1; {7448#false} is VALID [2022-02-20 21:10:57,756 INFO L290 TraceCheckUtils]: 118: Hoare triple {7448#false} #t~short303#1 := #t~short301#1; {7448#false} is VALID [2022-02-20 21:10:57,756 INFO L290 TraceCheckUtils]: 119: Hoare triple {7448#false} assume !#t~short303#1; {7448#false} is VALID [2022-02-20 21:10:57,756 INFO L290 TraceCheckUtils]: 120: Hoare triple {7448#false} #t~short305#1 := #t~short303#1; {7448#false} is VALID [2022-02-20 21:10:57,756 INFO L290 TraceCheckUtils]: 121: Hoare triple {7448#false} assume !#t~short305#1; {7448#false} is VALID [2022-02-20 21:10:57,757 INFO L290 TraceCheckUtils]: 122: Hoare triple {7448#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {7448#false} is VALID [2022-02-20 21:10:57,757 INFO L290 TraceCheckUtils]: 123: Hoare triple {7448#false} assume true; {7448#false} is VALID [2022-02-20 21:10:57,757 INFO L284 TraceCheckUtils]: 124: Hoare quadruple {7448#false} {7448#false} #308#return; {7448#false} is VALID [2022-02-20 21:10:57,757 INFO L272 TraceCheckUtils]: 125: Hoare triple {7448#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {7448#false} is VALID [2022-02-20 21:10:57,757 INFO L290 TraceCheckUtils]: 126: Hoare triple {7448#false} ~cond := #in~cond; {7448#false} is VALID [2022-02-20 21:10:57,757 INFO L290 TraceCheckUtils]: 127: Hoare triple {7448#false} assume 0bv8 == ~cond; {7448#false} is VALID [2022-02-20 21:10:57,757 INFO L290 TraceCheckUtils]: 128: Hoare triple {7448#false} assume !false; {7448#false} is VALID [2022-02-20 21:10:57,758 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-02-20 21:10:57,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:57,758 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 21:10:57,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327118145] [2022-02-20 21:10:57,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327118145] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:57,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:10:57,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 21:10:57,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390316797] [2022-02-20 21:10:57,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:57,759 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 129 [2022-02-20 21:10:57,759 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:57,760 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-02-20 21:10:57,836 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:57,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 21:10:57,836 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 21:10:57,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 21:10:57,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 21:10:57,836 INFO L87 Difference]: Start difference. First operand 145 states and 196 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-02-20 21:10:58,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:58,906 INFO L93 Difference]: Finished difference Result 276 states and 376 transitions. [2022-02-20 21:10:58,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 21:10:58,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 129 [2022-02-20 21:10:58,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-02-20 21:10:58,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 341 transitions. [2022-02-20 21:10:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-02-20 21:10:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 341 transitions. [2022-02-20 21:10:58,913 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 341 transitions. [2022-02-20 21:10:59,171 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 341 edges. 341 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:59,174 INFO L225 Difference]: With dead ends: 276 [2022-02-20 21:10:59,174 INFO L226 Difference]: Without dead ends: 151 [2022-02-20 21:10:59,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-02-20 21:10:59,175 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 4 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:59,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 993 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 21:10:59,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-02-20 21:10:59,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 146. [2022-02-20 21:10:59,182 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:59,183 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand has 146 states, 96 states have (on average 1.2291666666666667) internal successors, (118), 99 states have internal predecessors, (118), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:59,183 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand has 146 states, 96 states have (on average 1.2291666666666667) internal successors, (118), 99 states have internal predecessors, (118), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:59,184 INFO L87 Difference]: Start difference. First operand 151 states. Second operand has 146 states, 96 states have (on average 1.2291666666666667) internal successors, (118), 99 states have internal predecessors, (118), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:59,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:59,187 INFO L93 Difference]: Finished difference Result 151 states and 206 transitions. [2022-02-20 21:10:59,188 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 206 transitions. [2022-02-20 21:10:59,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:59,189 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:59,189 INFO L74 IsIncluded]: Start isIncluded. First operand has 146 states, 96 states have (on average 1.2291666666666667) internal successors, (118), 99 states have internal predecessors, (118), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) Second operand 151 states. [2022-02-20 21:10:59,190 INFO L87 Difference]: Start difference. First operand has 146 states, 96 states have (on average 1.2291666666666667) internal successors, (118), 99 states have internal predecessors, (118), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) Second operand 151 states. [2022-02-20 21:10:59,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:59,194 INFO L93 Difference]: Finished difference Result 151 states and 206 transitions. [2022-02-20 21:10:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 206 transitions. [2022-02-20 21:10:59,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:59,195 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:59,195 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:59,195 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:59,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 96 states have (on average 1.2291666666666667) internal successors, (118), 99 states have internal predecessors, (118), 37 states have call successors, (37), 10 states have call predecessors, (37), 12 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-02-20 21:10:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 197 transitions. [2022-02-20 21:10:59,200 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 197 transitions. Word has length 129 [2022-02-20 21:10:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:59,200 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 197 transitions. [2022-02-20 21:10:59,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-02-20 21:10:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 197 transitions. [2022-02-20 21:10:59,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-02-20 21:10:59,202 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:59,202 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2022-02-20 21:10:59,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-02-20 21:10:59,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 21:10:59,414 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:59,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:59,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1662855644, now seen corresponding path program 1 times [2022-02-20 21:10:59,415 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 21:10:59,415 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685600606] [2022-02-20 21:10:59,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:59,416 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 21:10:59,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 21:10:59,417 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 21:10:59,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-02-20 21:10:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:59,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 27 conjunts are in the unsatisfiable core [2022-02-20 21:10:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:59,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:11:00,529 INFO L290 TraceCheckUtils]: 0: Hoare triple {8730#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv64, 0bv64;assume 0bv1 == #valid[0bv64];assume ~bvult64(0bv64, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv64, 1bv64);call write~init~intINTTYPE1(48bv8, 1bv64, 0bv64, 1bv64);call write~init~intINTTYPE1(0bv8, 1bv64, 1bv64, 1bv64);call #Ultimate.allocInit(35bv64, 2bv64);call #Ultimate.allocInit(12bv64, 3bv64);call #Ultimate.allocInit(78bv64, 4bv64);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5bv64, 0bv64;call #Ultimate.allocInit(40bv64, 5bv64);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(8bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(16bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(24bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#s_can_fail_allocator_static~0.base, ~bvadd64(32bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);~tl_last_error~0 := 0bv32; {8730#true} is VALID [2022-02-20 21:11:00,529 INFO L290 TraceCheckUtils]: 1: Hoare triple {8730#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32bv64);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20bv64;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {8730#true} is VALID [2022-02-20 21:11:00,529 INFO L272 TraceCheckUtils]: 2: Hoare triple {8730#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {8730#true} is VALID [2022-02-20 21:11:00,529 INFO L290 TraceCheckUtils]: 3: Hoare triple {8730#true} #res := #t~nondet13;havoc #t~nondet13; {8730#true} is VALID [2022-02-20 21:11:00,529 INFO L290 TraceCheckUtils]: 4: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:00,529 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {8730#true} {8730#true} #284#return; {8730#true} is VALID [2022-02-20 21:11:00,529 INFO L290 TraceCheckUtils]: 6: Hoare triple {8730#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L272 TraceCheckUtils]: 7: Hoare triple {8730#true} call assume_abort_if_not((if 0bv32 == (if ~bvule64(ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~max_length#1) then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 8: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 9: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 10: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {8730#true} {8730#true} #286#return; {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 12: Hoare triple {8730#true} call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(8bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0bv64; {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 13: Hoare triple {8730#true} assume !~bvult64(ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~length~1#1); {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 14: Hoare triple {8730#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8bv64);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(24bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64); {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 15: Hoare triple {8730#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L272 TraceCheckUtils]: 16: Hoare triple {8730#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 17: Hoare triple {8730#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L272 TraceCheckUtils]: 18: Hoare triple {8730#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 19: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 20: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 21: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {8730#true} {8730#true} #338#return; {8730#true} is VALID [2022-02-20 21:11:00,530 INFO L290 TraceCheckUtils]: 23: Hoare triple {8730#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L290 TraceCheckUtils]: 24: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {8730#true} {8730#true} #288#return; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L272 TraceCheckUtils]: 26: Hoare triple {8730#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_harness_#t~ret678#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L290 TraceCheckUtils]: 27: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L290 TraceCheckUtils]: 28: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L290 TraceCheckUtils]: 29: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {8730#true} {8730#true} #290#return; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L290 TraceCheckUtils]: 31: Hoare triple {8730#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, ~bvadd64(24bv64, aws_linked_list_pop_back_harness_~#list~0#1.offset), 8bv64);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, ~bvadd64(8bv64, aws_linked_list_pop_back_harness_#t~mem679#1.offset), 8bv64);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L272 TraceCheckUtils]: 32: Hoare triple {8730#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L290 TraceCheckUtils]: 33: Hoare triple {8730#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L272 TraceCheckUtils]: 34: Hoare triple {8730#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L290 TraceCheckUtils]: 35: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L290 TraceCheckUtils]: 36: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L290 TraceCheckUtils]: 37: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {8730#true} {8730#true} #338#return; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L290 TraceCheckUtils]: 39: Hoare triple {8730#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {8730#true} is VALID [2022-02-20 21:11:00,531 INFO L290 TraceCheckUtils]: 40: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:00,532 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {8730#true} {8730#true} #292#return; {8730#true} is VALID [2022-02-20 21:11:00,532 INFO L272 TraceCheckUtils]: 42: Hoare triple {8730#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_#t~ret395#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:00,532 INFO L290 TraceCheckUtils]: 43: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:00,532 INFO L290 TraceCheckUtils]: 44: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:00,532 INFO L290 TraceCheckUtils]: 45: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:00,532 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {8730#true} {8730#true} #294#return; {8730#true} is VALID [2022-02-20 21:11:00,532 INFO L290 TraceCheckUtils]: 47: Hoare triple {8730#true} havoc aws_linked_list_pop_back_#t~ret395#1; {8730#true} is VALID [2022-02-20 21:11:00,532 INFO L272 TraceCheckUtils]: 48: Hoare triple {8730#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {8730#true} is VALID [2022-02-20 21:11:00,532 INFO L290 TraceCheckUtils]: 49: Hoare triple {8730#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {8882#(and (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} is VALID [2022-02-20 21:11:00,534 INFO L290 TraceCheckUtils]: 50: Hoare triple {8882#(and (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {8886#(and (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (or (and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) |aws_linked_list_is_valid_#t~short299#1|) (and (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short299#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} is VALID [2022-02-20 21:11:00,534 INFO L290 TraceCheckUtils]: 51: Hoare triple {8886#(and (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (or (and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) |aws_linked_list_is_valid_#t~short299#1|) (and (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short299#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} #t~short301#1 := #t~short299#1; {8890#(and (or (and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) |aws_linked_list_is_valid_#t~short301#1|) (and (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short301#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} is VALID [2022-02-20 21:11:00,536 INFO L290 TraceCheckUtils]: 52: Hoare triple {8890#(and (or (and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) |aws_linked_list_is_valid_#t~short301#1|) (and (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|)) (not |aws_linked_list_is_valid_#t~short301#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(8bv64, ~list#1.offset), 8bv64);#t~short301#1 := #t~mem300#1.base == 0bv64 && #t~mem300#1.offset == 0bv64; {8894#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} is VALID [2022-02-20 21:11:00,536 INFO L290 TraceCheckUtils]: 53: Hoare triple {8894#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} #t~short303#1 := #t~short301#1; {8894#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} is VALID [2022-02-20 21:11:00,537 INFO L290 TraceCheckUtils]: 54: Hoare triple {8894#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(24bv64, ~list#1.offset), 8bv64);#t~short303#1 := #t~mem302#1.base != 0bv64 || #t~mem302#1.offset != 0bv64; {8894#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} is VALID [2022-02-20 21:11:00,537 INFO L290 TraceCheckUtils]: 55: Hoare triple {8894#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} #t~short305#1 := #t~short303#1; {8894#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} is VALID [2022-02-20 21:11:00,538 INFO L290 TraceCheckUtils]: 56: Hoare triple {8894#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {8894#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} is VALID [2022-02-20 21:11:00,539 INFO L290 TraceCheckUtils]: 57: Hoare triple {8894#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64)))) (= |aws_linked_list_is_valid_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (= |aws_linked_list_is_valid_#in~list#1.offset| |aws_linked_list_is_valid_~list#1.offset|))} assume #t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;assume { :begin_inline_aws_linked_list_is_valid_deep } true;aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset := ~list#1.base, ~list#1.offset;havoc aws_linked_list_is_valid_deep_#res#1;havoc aws_linked_list_is_valid_deep_#t~ret317#1, aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset, aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset, aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset, aws_linked_list_is_valid_deep_~head_reaches_tail~0#1;aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset := aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset; {8910#(and (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset|)))))} is VALID [2022-02-20 21:11:00,540 INFO L290 TraceCheckUtils]: 58: Hoare triple {8910#(and (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.base| |aws_linked_list_is_valid_#in~list#1.base|) (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset|)))))} assume !(aws_linked_list_is_valid_deep_~list#1.base == 0bv64 && aws_linked_list_is_valid_deep_~list#1.offset == 0bv64);aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset := aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset;aws_linked_list_is_valid_deep_~head_reaches_tail~0#1 := 0bv8; {8914#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:11:00,540 INFO L290 TraceCheckUtils]: 59: Hoare triple {8914#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume !!(aws_linked_list_is_valid_deep_~temp~0#1.base != 0bv64 || aws_linked_list_is_valid_deep_~temp~0#1.offset != 0bv64); {8914#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:11:00,542 INFO L290 TraceCheckUtils]: 60: Hoare triple {8914#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume !(aws_linked_list_is_valid_deep_~temp~0#1.base == aws_linked_list_is_valid_deep_~list#1.base && aws_linked_list_is_valid_deep_~temp~0#1.offset == ~bvadd64(16bv64, aws_linked_list_is_valid_deep_~list#1.offset)); {8914#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:11:00,545 INFO L272 TraceCheckUtils]: 61: Hoare triple {8914#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} call aws_linked_list_is_valid_deep_#t~ret317#1 := aws_linked_list_node_next_is_valid(aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset); {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} is VALID [2022-02-20 21:11:00,545 INFO L290 TraceCheckUtils]: 62: Hoare triple {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short308 := ~node.base != 0bv64 || ~node.offset != 0bv64; {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} is VALID [2022-02-20 21:11:00,546 INFO L290 TraceCheckUtils]: 63: Hoare triple {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} assume #t~short308;call #t~mem307.base, #t~mem307.offset := read~$Pointer$(~node.base, ~node.offset, 8bv64);#t~short308 := #t~mem307.base != 0bv64 || #t~mem307.offset != 0bv64; {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} is VALID [2022-02-20 21:11:00,547 INFO L290 TraceCheckUtils]: 64: Hoare triple {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} #t~short311 := #t~short308; {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} is VALID [2022-02-20 21:11:00,547 INFO L290 TraceCheckUtils]: 65: Hoare triple {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} assume #t~short311;call #t~mem309.base, #t~mem309.offset := read~$Pointer$(~node.base, ~node.offset, 8bv64);call #t~mem310.base, #t~mem310.offset := read~$Pointer$(#t~mem309.base, ~bvadd64(8bv64, #t~mem309.offset), 8bv64);#t~short311 := #t~mem310.base == ~node.base && #t~mem310.offset == ~node.offset; {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} is VALID [2022-02-20 21:11:00,548 INFO L290 TraceCheckUtils]: 66: Hoare triple {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} #res := (if 0bv32 == (if #t~short311 then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem307.base, #t~mem307.offset;havoc #t~short308;havoc #t~mem309.base, #t~mem309.offset;havoc #t~mem310.base, #t~mem310.offset;havoc #t~short311; {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} is VALID [2022-02-20 21:11:00,548 INFO L290 TraceCheckUtils]: 67: Hoare triple {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} assume true; {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} is VALID [2022-02-20 21:11:00,549 INFO L284 TraceCheckUtils]: 68: Hoare quadruple {8924#(or (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))) (exists ((|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1| (_ BitVec 64)) (|v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1| (_ BitVec 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base_BEFORE_CALL_1|) |v_aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset_BEFORE_CALL_1|)))))} {8914#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} #336#return; {8914#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:11:00,550 INFO L290 TraceCheckUtils]: 69: Hoare triple {8914#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume !(0bv8 == aws_linked_list_is_valid_deep_#t~ret317#1);havoc aws_linked_list_is_valid_deep_#t~ret317#1;call aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset := read~$Pointer$(aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset, 8bv64);aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset := aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset;havoc aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset; {8949#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)))) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset| (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|))} is VALID [2022-02-20 21:11:00,551 INFO L290 TraceCheckUtils]: 70: Hoare triple {8949#(and (or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)))) (= |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset| (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) |aws_linked_list_is_valid_#in~list#1.offset|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|))} assume !(aws_linked_list_is_valid_deep_~temp~0#1.base != 0bv64 || aws_linked_list_is_valid_deep_~temp~0#1.offset != 0bv64); {8731#false} is VALID [2022-02-20 21:11:00,551 INFO L290 TraceCheckUtils]: 71: Hoare triple {8731#false} aws_linked_list_is_valid_deep_#res#1 := aws_linked_list_is_valid_deep_~head_reaches_tail~0#1; {8731#false} is VALID [2022-02-20 21:11:00,551 INFO L290 TraceCheckUtils]: 72: Hoare triple {8731#false} #t~ret306#1 := aws_linked_list_is_valid_deep_#res#1;assume { :end_inline_aws_linked_list_is_valid_deep } true;#res#1 := #t~ret306#1;havoc #t~ret306#1; {8731#false} is VALID [2022-02-20 21:11:00,551 INFO L290 TraceCheckUtils]: 73: Hoare triple {8731#false} assume true; {8731#false} is VALID [2022-02-20 21:11:00,551 INFO L284 TraceCheckUtils]: 74: Hoare quadruple {8731#false} {8730#true} #296#return; {8731#false} is VALID [2022-02-20 21:11:00,551 INFO L272 TraceCheckUtils]: 75: Hoare triple {8731#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {8731#false} is VALID [2022-02-20 21:11:00,551 INFO L290 TraceCheckUtils]: 76: Hoare triple {8731#false} ~cond := #in~cond; {8731#false} is VALID [2022-02-20 21:11:00,551 INFO L290 TraceCheckUtils]: 77: Hoare triple {8731#false} assume !(0bv8 == ~cond); {8731#false} is VALID [2022-02-20 21:11:00,551 INFO L290 TraceCheckUtils]: 78: Hoare triple {8731#false} assume true; {8731#false} is VALID [2022-02-20 21:11:00,551 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {8731#false} {8731#false} #298#return; {8731#false} is VALID [2022-02-20 21:11:00,551 INFO L290 TraceCheckUtils]: 80: Hoare triple {8731#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L272 TraceCheckUtils]: 81: Hoare triple {8731#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 82: Hoare triple {8731#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 83: Hoare triple {8731#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 84: Hoare triple {8731#false} #t~short301#1 := #t~short299#1; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 85: Hoare triple {8731#false} assume !#t~short301#1; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 86: Hoare triple {8731#false} #t~short303#1 := #t~short301#1; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 87: Hoare triple {8731#false} assume !#t~short303#1; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 88: Hoare triple {8731#false} #t~short305#1 := #t~short303#1; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 89: Hoare triple {8731#false} assume !#t~short305#1; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 90: Hoare triple {8731#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 91: Hoare triple {8731#false} assume true; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {8731#false} {8731#false} #300#return; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L272 TraceCheckUtils]: 93: Hoare triple {8731#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 94: Hoare triple {8731#false} ~cond := #in~cond; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 95: Hoare triple {8731#false} assume !(0bv8 == ~cond); {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 96: Hoare triple {8731#false} assume true; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {8731#false} {8731#false} #302#return; {8731#false} is VALID [2022-02-20 21:11:00,552 INFO L290 TraceCheckUtils]: 98: Hoare triple {8731#false} havoc aws_linked_list_back_#t~ret389#1; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L272 TraceCheckUtils]: 99: Hoare triple {8731#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L290 TraceCheckUtils]: 100: Hoare triple {8731#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L272 TraceCheckUtils]: 101: Hoare triple {8731#false} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L290 TraceCheckUtils]: 102: Hoare triple {8731#false} ~cond := #in~cond; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L290 TraceCheckUtils]: 103: Hoare triple {8731#false} assume !(0bv8 == ~cond); {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L290 TraceCheckUtils]: 104: Hoare triple {8731#false} assume true; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L284 TraceCheckUtils]: 105: Hoare quadruple {8731#false} {8731#false} #338#return; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L290 TraceCheckUtils]: 106: Hoare triple {8731#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L290 TraceCheckUtils]: 107: Hoare triple {8731#false} assume true; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L284 TraceCheckUtils]: 108: Hoare quadruple {8731#false} {8731#false} #304#return; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L272 TraceCheckUtils]: 109: Hoare triple {8731#false} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_back_#t~ret390#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L290 TraceCheckUtils]: 110: Hoare triple {8731#false} ~cond := #in~cond; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L290 TraceCheckUtils]: 111: Hoare triple {8731#false} assume !(0bv8 == ~cond); {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L290 TraceCheckUtils]: 112: Hoare triple {8731#false} assume true; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L284 TraceCheckUtils]: 113: Hoare quadruple {8731#false} {8731#false} #306#return; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L290 TraceCheckUtils]: 114: Hoare triple {8731#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, ~bvadd64(24bv64, aws_linked_list_back_~list#1.offset), 8bv64);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {8731#false} is VALID [2022-02-20 21:11:00,553 INFO L272 TraceCheckUtils]: 115: Hoare triple {8731#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 116: Hoare triple {8731#false} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 117: Hoare triple {8731#false} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 118: Hoare triple {8731#false} #t~short301#1 := #t~short299#1; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 119: Hoare triple {8731#false} assume !#t~short301#1; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 120: Hoare triple {8731#false} #t~short303#1 := #t~short301#1; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 121: Hoare triple {8731#false} assume !#t~short303#1; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 122: Hoare triple {8731#false} #t~short305#1 := #t~short303#1; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 123: Hoare triple {8731#false} assume !#t~short305#1; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 124: Hoare triple {8731#false} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 125: Hoare triple {8731#false} assume true; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L284 TraceCheckUtils]: 126: Hoare quadruple {8731#false} {8731#false} #308#return; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L272 TraceCheckUtils]: 127: Hoare triple {8731#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 128: Hoare triple {8731#false} ~cond := #in~cond; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 129: Hoare triple {8731#false} assume 0bv8 == ~cond; {8731#false} is VALID [2022-02-20 21:11:00,554 INFO L290 TraceCheckUtils]: 130: Hoare triple {8731#false} assume !false; {8731#false} is VALID [2022-02-20 21:11:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 108 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-02-20 21:11:00,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 21:11:01,112 INFO L290 TraceCheckUtils]: 130: Hoare triple {8731#false} assume !false; {8731#false} is VALID [2022-02-20 21:11:01,112 INFO L290 TraceCheckUtils]: 129: Hoare triple {8731#false} assume 0bv8 == ~cond; {8731#false} is VALID [2022-02-20 21:11:01,112 INFO L290 TraceCheckUtils]: 128: Hoare triple {8731#false} ~cond := #in~cond; {8731#false} is VALID [2022-02-20 21:11:01,112 INFO L272 TraceCheckUtils]: 127: Hoare triple {8731#false} call __VERIFIER_assert(aws_linked_list_back_#t~ret392#1); {8731#false} is VALID [2022-02-20 21:11:01,112 INFO L284 TraceCheckUtils]: 126: Hoare quadruple {8730#true} {8731#false} #308#return; {8731#false} is VALID [2022-02-20 21:11:01,112 INFO L290 TraceCheckUtils]: 125: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,112 INFO L290 TraceCheckUtils]: 124: Hoare triple {8730#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 123: Hoare triple {8730#true} assume !#t~short305#1; {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 122: Hoare triple {8730#true} #t~short305#1 := #t~short303#1; {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 121: Hoare triple {8730#true} assume !#t~short303#1; {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 120: Hoare triple {8730#true} #t~short303#1 := #t~short301#1; {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 119: Hoare triple {8730#true} assume !#t~short301#1; {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 118: Hoare triple {8730#true} #t~short301#1 := #t~short299#1; {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 117: Hoare triple {8730#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 116: Hoare triple {8730#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L272 TraceCheckUtils]: 115: Hoare triple {8731#false} call aws_linked_list_back_#t~ret392#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 114: Hoare triple {8731#false} havoc aws_linked_list_back_#t~ret390#1;call aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset := read~$Pointer$(aws_linked_list_back_~list#1.base, ~bvadd64(24bv64, aws_linked_list_back_~list#1.offset), 8bv64);aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset := aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset;havoc aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset; {8731#false} is VALID [2022-02-20 21:11:01,113 INFO L284 TraceCheckUtils]: 113: Hoare quadruple {8730#true} {8731#false} #306#return; {8731#false} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 112: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 111: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 110: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L272 TraceCheckUtils]: 109: Hoare triple {8731#false} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_back_#t~ret390#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:01,113 INFO L284 TraceCheckUtils]: 108: Hoare quadruple {8730#true} {8731#false} #304#return; {8731#false} is VALID [2022-02-20 21:11:01,113 INFO L290 TraceCheckUtils]: 107: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L290 TraceCheckUtils]: 106: Hoare triple {8730#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L284 TraceCheckUtils]: 105: Hoare quadruple {8730#true} {8730#true} #338#return; {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L290 TraceCheckUtils]: 104: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L290 TraceCheckUtils]: 103: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L290 TraceCheckUtils]: 102: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L272 TraceCheckUtils]: 101: Hoare triple {8730#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L290 TraceCheckUtils]: 100: Hoare triple {8730#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L272 TraceCheckUtils]: 99: Hoare triple {8731#false} call aws_linked_list_back_#t~ret390#1 := aws_linked_list_empty(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L290 TraceCheckUtils]: 98: Hoare triple {8731#false} havoc aws_linked_list_back_#t~ret389#1; {8731#false} is VALID [2022-02-20 21:11:01,114 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {8730#true} {8731#false} #302#return; {8731#false} is VALID [2022-02-20 21:11:01,114 INFO L290 TraceCheckUtils]: 96: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L290 TraceCheckUtils]: 95: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L290 TraceCheckUtils]: 94: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L272 TraceCheckUtils]: 93: Hoare triple {8731#false} call assume_abort_if_not(aws_linked_list_back_#t~ret389#1); {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L284 TraceCheckUtils]: 92: Hoare quadruple {8730#true} {8731#false} #300#return; {8731#false} is VALID [2022-02-20 21:11:01,114 INFO L290 TraceCheckUtils]: 91: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,114 INFO L290 TraceCheckUtils]: 90: Hoare triple {8730#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0bv8; {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 89: Hoare triple {8730#true} assume !#t~short305#1; {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 88: Hoare triple {8730#true} #t~short305#1 := #t~short303#1; {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 87: Hoare triple {8730#true} assume !#t~short303#1; {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 86: Hoare triple {8730#true} #t~short303#1 := #t~short301#1; {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 85: Hoare triple {8730#true} assume !#t~short301#1; {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 84: Hoare triple {8730#true} #t~short301#1 := #t~short299#1; {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 83: Hoare triple {8730#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 82: Hoare triple {8730#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L272 TraceCheckUtils]: 81: Hoare triple {8731#false} call aws_linked_list_back_#t~ret389#1 := aws_linked_list_is_valid(aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset); {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 80: Hoare triple {8731#false} havoc aws_linked_list_pop_back_#t~ret396#1;assume { :begin_inline_aws_linked_list_back } true;aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset := aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset;havoc aws_linked_list_back_#res#1.base, aws_linked_list_back_#res#1.offset;havoc aws_linked_list_back_#t~ret389#1, aws_linked_list_back_#t~ret390#1, aws_linked_list_back_#t~mem391#1.base, aws_linked_list_back_#t~mem391#1.offset, aws_linked_list_back_#t~ret392#1, aws_linked_list_back_#t~ret393#1, aws_linked_list_back_#t~ret394#1, aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset, aws_linked_list_back_~rval~6#1.base, aws_linked_list_back_~rval~6#1.offset;aws_linked_list_back_~list#1.base, aws_linked_list_back_~list#1.offset := aws_linked_list_back_#in~list#1.base, aws_linked_list_back_#in~list#1.offset; {8731#false} is VALID [2022-02-20 21:11:01,115 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {8730#true} {8731#false} #298#return; {8731#false} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 78: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 77: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L290 TraceCheckUtils]: 76: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L272 TraceCheckUtils]: 75: Hoare triple {8731#false} call assume_abort_if_not(aws_linked_list_pop_back_#t~ret396#1); {8730#true} is VALID [2022-02-20 21:11:01,115 INFO L284 TraceCheckUtils]: 74: Hoare quadruple {8731#false} {8730#true} #296#return; {8731#false} is VALID [2022-02-20 21:11:01,116 INFO L290 TraceCheckUtils]: 73: Hoare triple {8731#false} assume true; {8731#false} is VALID [2022-02-20 21:11:01,116 INFO L290 TraceCheckUtils]: 72: Hoare triple {8731#false} #t~ret306#1 := aws_linked_list_is_valid_deep_#res#1;assume { :end_inline_aws_linked_list_is_valid_deep } true;#res#1 := #t~ret306#1;havoc #t~ret306#1; {8731#false} is VALID [2022-02-20 21:11:01,116 INFO L290 TraceCheckUtils]: 71: Hoare triple {8731#false} aws_linked_list_is_valid_deep_#res#1 := aws_linked_list_is_valid_deep_~head_reaches_tail~0#1; {8731#false} is VALID [2022-02-20 21:11:01,116 INFO L290 TraceCheckUtils]: 70: Hoare triple {9316#(or (not (= (_ bv0 64) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|)) (not (= (_ bv0 64) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|)))} assume !(aws_linked_list_is_valid_deep_~temp~0#1.base != 0bv64 || aws_linked_list_is_valid_deep_~temp~0#1.offset != 0bv64); {8731#false} is VALID [2022-02-20 21:11:01,117 INFO L290 TraceCheckUtils]: 69: Hoare triple {9320#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))))} assume !(0bv8 == aws_linked_list_is_valid_deep_#t~ret317#1);havoc aws_linked_list_is_valid_deep_#t~ret317#1;call aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset := read~$Pointer$(aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset, 8bv64);aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset := aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset;havoc aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset; {9316#(or (not (= (_ bv0 64) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|)) (not (= (_ bv0 64) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|)))} is VALID [2022-02-20 21:11:01,117 INFO L284 TraceCheckUtils]: 68: Hoare quadruple {8730#true} {9320#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))))} #336#return; {9320#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))))} is VALID [2022-02-20 21:11:01,118 INFO L290 TraceCheckUtils]: 67: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,118 INFO L290 TraceCheckUtils]: 66: Hoare triple {8730#true} #res := (if 0bv32 == (if #t~short311 then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem307.base, #t~mem307.offset;havoc #t~short308;havoc #t~mem309.base, #t~mem309.offset;havoc #t~mem310.base, #t~mem310.offset;havoc #t~short311; {8730#true} is VALID [2022-02-20 21:11:01,118 INFO L290 TraceCheckUtils]: 65: Hoare triple {8730#true} assume #t~short311;call #t~mem309.base, #t~mem309.offset := read~$Pointer$(~node.base, ~node.offset, 8bv64);call #t~mem310.base, #t~mem310.offset := read~$Pointer$(#t~mem309.base, ~bvadd64(8bv64, #t~mem309.offset), 8bv64);#t~short311 := #t~mem310.base == ~node.base && #t~mem310.offset == ~node.offset; {8730#true} is VALID [2022-02-20 21:11:01,118 INFO L290 TraceCheckUtils]: 64: Hoare triple {8730#true} #t~short311 := #t~short308; {8730#true} is VALID [2022-02-20 21:11:01,118 INFO L290 TraceCheckUtils]: 63: Hoare triple {8730#true} assume #t~short308;call #t~mem307.base, #t~mem307.offset := read~$Pointer$(~node.base, ~node.offset, 8bv64);#t~short308 := #t~mem307.base != 0bv64 || #t~mem307.offset != 0bv64; {8730#true} is VALID [2022-02-20 21:11:01,118 INFO L290 TraceCheckUtils]: 62: Hoare triple {8730#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short308 := ~node.base != 0bv64 || ~node.offset != 0bv64; {8730#true} is VALID [2022-02-20 21:11:01,118 INFO L272 TraceCheckUtils]: 61: Hoare triple {9320#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))))} call aws_linked_list_is_valid_deep_#t~ret317#1 := aws_linked_list_node_next_is_valid(aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset); {8730#true} is VALID [2022-02-20 21:11:01,119 INFO L290 TraceCheckUtils]: 60: Hoare triple {9320#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))))} assume !(aws_linked_list_is_valid_deep_~temp~0#1.base == aws_linked_list_is_valid_deep_~list#1.base && aws_linked_list_is_valid_deep_~temp~0#1.offset == ~bvadd64(16bv64, aws_linked_list_is_valid_deep_~list#1.offset)); {9320#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))))} is VALID [2022-02-20 21:11:01,119 INFO L290 TraceCheckUtils]: 59: Hoare triple {9320#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))))} assume !!(aws_linked_list_is_valid_deep_~temp~0#1.base != 0bv64 || aws_linked_list_is_valid_deep_~temp~0#1.offset != 0bv64); {9320#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))))} is VALID [2022-02-20 21:11:01,120 INFO L290 TraceCheckUtils]: 58: Hoare triple {9354#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset|) (_ bv0 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset|))))} assume !(aws_linked_list_is_valid_deep_~list#1.base == 0bv64 && aws_linked_list_is_valid_deep_~list#1.offset == 0bv64);aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset := aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset;aws_linked_list_is_valid_deep_~head_reaches_tail~0#1 := 0bv8; {9320#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~temp~0#1.offset|))))} is VALID [2022-02-20 21:11:01,121 INFO L290 TraceCheckUtils]: 57: Hoare triple {9358#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} assume #t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;assume { :begin_inline_aws_linked_list_is_valid_deep } true;aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset := ~list#1.base, ~list#1.offset;havoc aws_linked_list_is_valid_deep_#res#1;havoc aws_linked_list_is_valid_deep_#t~ret317#1, aws_linked_list_is_valid_deep_#t~mem318#1.base, aws_linked_list_is_valid_deep_#t~mem318#1.offset, aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset, aws_linked_list_is_valid_deep_~temp~0#1.base, aws_linked_list_is_valid_deep_~temp~0#1.offset, aws_linked_list_is_valid_deep_~head_reaches_tail~0#1;aws_linked_list_is_valid_deep_~list#1.base, aws_linked_list_is_valid_deep_~list#1.offset := aws_linked_list_is_valid_deep_#in~list#1.base, aws_linked_list_is_valid_deep_#in~list#1.offset; {9354#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset|) (_ bv0 64))) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.base|) |aws_linked_list_is_valid_aws_linked_list_is_valid_deep_~list#1.offset|))))} is VALID [2022-02-20 21:11:01,121 INFO L290 TraceCheckUtils]: 56: Hoare triple {9358#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(16bv64, ~list#1.offset), 8bv64);#t~short305#1 := #t~mem304#1.base == 0bv64 && #t~mem304#1.offset == 0bv64; {9358#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} is VALID [2022-02-20 21:11:01,122 INFO L290 TraceCheckUtils]: 55: Hoare triple {9358#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} #t~short305#1 := #t~short303#1; {9358#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} is VALID [2022-02-20 21:11:01,122 INFO L290 TraceCheckUtils]: 54: Hoare triple {9358#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(24bv64, ~list#1.offset), 8bv64);#t~short303#1 := #t~mem302#1.base != 0bv64 || #t~mem302#1.offset != 0bv64; {9358#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} is VALID [2022-02-20 21:11:01,123 INFO L290 TraceCheckUtils]: 53: Hoare triple {9358#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} #t~short303#1 := #t~short301#1; {9358#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} is VALID [2022-02-20 21:11:01,123 INFO L290 TraceCheckUtils]: 52: Hoare triple {9374#(or (not |aws_linked_list_is_valid_#t~short301#1|) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, ~bvadd64(8bv64, ~list#1.offset), 8bv64);#t~short301#1 := #t~mem300#1.base == 0bv64 && #t~mem300#1.offset == 0bv64; {9358#(or (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} is VALID [2022-02-20 21:11:01,124 INFO L290 TraceCheckUtils]: 51: Hoare triple {9378#(or (not |aws_linked_list_is_valid_#t~short299#1|) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} #t~short301#1 := #t~short299#1; {9374#(or (not |aws_linked_list_is_valid_#t~short301#1|) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} is VALID [2022-02-20 21:11:01,124 INFO L290 TraceCheckUtils]: 50: Hoare triple {8730#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8bv64);#t~short299#1 := #t~mem298#1.base != 0bv64 || #t~mem298#1.offset != 0bv64; {9378#(or (not |aws_linked_list_is_valid_#t~short299#1|) (not (= (_ bv0 64) (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) |aws_linked_list_is_valid_~list#1.offset|) (_ bv0 64))))} is VALID [2022-02-20 21:11:01,124 INFO L290 TraceCheckUtils]: 49: Hoare triple {8730#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0bv64 || ~list#1.offset != 0bv64; {8730#true} is VALID [2022-02-20 21:11:01,124 INFO L272 TraceCheckUtils]: 48: Hoare triple {8730#true} call aws_linked_list_pop_back_#t~ret396#1 := aws_linked_list_is_valid(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {8730#true} is VALID [2022-02-20 21:11:01,124 INFO L290 TraceCheckUtils]: 47: Hoare triple {8730#true} havoc aws_linked_list_pop_back_#t~ret395#1; {8730#true} is VALID [2022-02-20 21:11:01,125 INFO L284 TraceCheckUtils]: 46: Hoare quadruple {8730#true} {8730#true} #294#return; {8730#true} is VALID [2022-02-20 21:11:01,125 INFO L290 TraceCheckUtils]: 45: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,125 INFO L290 TraceCheckUtils]: 44: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:01,125 INFO L290 TraceCheckUtils]: 43: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:01,125 INFO L272 TraceCheckUtils]: 42: Hoare triple {8730#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_#t~ret395#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:01,125 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {8730#true} {8730#true} #292#return; {8730#true} is VALID [2022-02-20 21:11:01,125 INFO L290 TraceCheckUtils]: 40: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,125 INFO L290 TraceCheckUtils]: 39: Hoare triple {8730#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {8730#true} is VALID [2022-02-20 21:11:01,126 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {8730#true} {8730#true} #338#return; {8730#true} is VALID [2022-02-20 21:11:01,126 INFO L290 TraceCheckUtils]: 37: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,126 INFO L290 TraceCheckUtils]: 36: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:01,126 INFO L290 TraceCheckUtils]: 35: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:01,126 INFO L272 TraceCheckUtils]: 34: Hoare triple {8730#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:01,126 INFO L290 TraceCheckUtils]: 33: Hoare triple {8730#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8730#true} is VALID [2022-02-20 21:11:01,126 INFO L272 TraceCheckUtils]: 32: Hoare triple {8730#true} call aws_linked_list_pop_back_#t~ret395#1 := aws_linked_list_empty(aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset); {8730#true} is VALID [2022-02-20 21:11:01,126 INFO L290 TraceCheckUtils]: 31: Hoare triple {8730#true} havoc aws_linked_list_pop_back_harness_#t~ret678#1;call aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_~#list~0#1.base, ~bvadd64(24bv64, aws_linked_list_pop_back_harness_~#list~0#1.offset), 8bv64);call aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset := read~$Pointer$(aws_linked_list_pop_back_harness_#t~mem679#1.base, ~bvadd64(8bv64, aws_linked_list_pop_back_harness_#t~mem679#1.offset), 8bv64);aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset := aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset;havoc aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset;assume { :begin_inline_aws_linked_list_pop_back } true;aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset;havoc aws_linked_list_pop_back_#res#1.base, aws_linked_list_pop_back_#res#1.offset;havoc aws_linked_list_pop_back_#t~ret395#1, aws_linked_list_pop_back_#t~ret396#1, aws_linked_list_pop_back_#t~ret397#1.base, aws_linked_list_pop_back_#t~ret397#1.offset, aws_linked_list_pop_back_#t~mem398#1.base, aws_linked_list_pop_back_#t~mem398#1.offset, aws_linked_list_pop_back_#t~mem399#1.base, aws_linked_list_pop_back_#t~mem399#1.offset, aws_linked_list_pop_back_#t~short400#1, aws_linked_list_pop_back_#t~ret401#1, aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset, aws_linked_list_pop_back_~back~0#1.base, aws_linked_list_pop_back_~back~0#1.offset;aws_linked_list_pop_back_~list#1.base, aws_linked_list_pop_back_~list#1.offset := aws_linked_list_pop_back_#in~list#1.base, aws_linked_list_pop_back_#in~list#1.offset; {8730#true} is VALID [2022-02-20 21:11:01,127 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {8730#true} {8730#true} #290#return; {8730#true} is VALID [2022-02-20 21:11:01,127 INFO L290 TraceCheckUtils]: 29: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,127 INFO L290 TraceCheckUtils]: 28: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:01,127 INFO L290 TraceCheckUtils]: 27: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:01,127 INFO L272 TraceCheckUtils]: 26: Hoare triple {8730#true} call assume_abort_if_not((if 0bv32 == (if 0bv8 == aws_linked_list_pop_back_harness_#t~ret678#1 then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:01,127 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {8730#true} {8730#true} #288#return; {8730#true} is VALID [2022-02-20 21:11:01,127 INFO L290 TraceCheckUtils]: 24: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,127 INFO L290 TraceCheckUtils]: 23: Hoare triple {8730#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8bv64);#res := (if 0bv32 == (if #t~mem297.base == ~list.base && #t~mem297.offset == ~bvadd64(16bv64, ~list.offset) then 1bv32 else 0bv32) then 0bv8 else 1bv8);havoc #t~mem297.base, #t~mem297.offset; {8730#true} is VALID [2022-02-20 21:11:01,128 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {8730#true} {8730#true} #338#return; {8730#true} is VALID [2022-02-20 21:11:01,128 INFO L290 TraceCheckUtils]: 21: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,128 INFO L290 TraceCheckUtils]: 20: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:01,128 INFO L290 TraceCheckUtils]: 19: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:01,128 INFO L272 TraceCheckUtils]: 18: Hoare triple {8730#true} call assume_abort_if_not((if 0bv64 == ~bvadd64(~list.base, ~list.offset) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:01,128 INFO L290 TraceCheckUtils]: 17: Hoare triple {8730#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {8730#true} is VALID [2022-02-20 21:11:01,128 INFO L272 TraceCheckUtils]: 16: Hoare triple {8730#true} call aws_linked_list_pop_back_harness_#t~ret678#1 := aws_linked_list_empty(aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset); {8730#true} is VALID [2022-02-20 21:11:01,128 INFO L290 TraceCheckUtils]: 15: Hoare triple {8730#true} assume { :end_inline_ensure_linked_list_is_allocated } true; {8730#true} is VALID [2022-02-20 21:11:01,129 INFO L290 TraceCheckUtils]: 14: Hoare triple {8730#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8bv64);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(24bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64); {8730#true} is VALID [2022-02-20 21:11:01,129 INFO L290 TraceCheckUtils]: 13: Hoare triple {8730#true} assume !~bvult64(ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~length~1#1); {8730#true} is VALID [2022-02-20 21:11:01,129 INFO L290 TraceCheckUtils]: 12: Hoare triple {8730#true} call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(8bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);call write~$Pointer$(0bv64, 0bv64, ensure_linked_list_is_allocated_~list#1.base, ~bvadd64(16bv64, ensure_linked_list_is_allocated_~list#1.offset), 8bv64);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0bv64; {8730#true} is VALID [2022-02-20 21:11:01,129 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {8730#true} {8730#true} #286#return; {8730#true} is VALID [2022-02-20 21:11:01,129 INFO L290 TraceCheckUtils]: 10: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,129 INFO L290 TraceCheckUtils]: 9: Hoare triple {8730#true} assume !(0bv8 == ~cond); {8730#true} is VALID [2022-02-20 21:11:01,129 INFO L290 TraceCheckUtils]: 8: Hoare triple {8730#true} ~cond := #in~cond; {8730#true} is VALID [2022-02-20 21:11:01,129 INFO L272 TraceCheckUtils]: 7: Hoare triple {8730#true} call assume_abort_if_not((if 0bv32 == (if ~bvule64(ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~max_length#1) then 1bv32 else 0bv32) then 0bv8 else 1bv8)); {8730#true} is VALID [2022-02-20 21:11:01,129 INFO L290 TraceCheckUtils]: 6: Hoare triple {8730#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {8730#true} is VALID [2022-02-20 21:11:01,130 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {8730#true} {8730#true} #284#return; {8730#true} is VALID [2022-02-20 21:11:01,130 INFO L290 TraceCheckUtils]: 4: Hoare triple {8730#true} assume true; {8730#true} is VALID [2022-02-20 21:11:01,130 INFO L290 TraceCheckUtils]: 3: Hoare triple {8730#true} #res := #t~nondet13;havoc #t~nondet13; {8730#true} is VALID [2022-02-20 21:11:01,130 INFO L272 TraceCheckUtils]: 2: Hoare triple {8730#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {8730#true} is VALID [2022-02-20 21:11:01,130 INFO L290 TraceCheckUtils]: 1: Hoare triple {8730#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_pop_back_harness } true;havoc aws_linked_list_pop_back_harness_#t~ret678#1, aws_linked_list_pop_back_harness_#t~mem679#1.base, aws_linked_list_pop_back_harness_#t~mem679#1.offset, aws_linked_list_pop_back_harness_#t~mem680#1.base, aws_linked_list_pop_back_harness_#t~mem680#1.offset, aws_linked_list_pop_back_harness_#t~ret681#1.base, aws_linked_list_pop_back_harness_#t~ret681#1.offset, aws_linked_list_pop_back_harness_#t~ret682#1, aws_linked_list_pop_back_harness_#t~mem683#1.base, aws_linked_list_pop_back_harness_#t~mem683#1.offset, aws_linked_list_pop_back_harness_#t~mem684#1.base, aws_linked_list_pop_back_harness_#t~mem684#1.offset, aws_linked_list_pop_back_harness_#t~short685#1, aws_linked_list_pop_back_harness_#t~mem686#1.base, aws_linked_list_pop_back_harness_#t~mem686#1.offset, aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, aws_linked_list_pop_back_harness_~old_prev_last~0#1.base, aws_linked_list_pop_back_harness_~old_prev_last~0#1.offset, aws_linked_list_pop_back_harness_~ret~0#1.base, aws_linked_list_pop_back_harness_~ret~0#1.offset;call aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32bv64);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_pop_back_harness_~#list~0#1.base, aws_linked_list_pop_back_harness_~#list~0#1.offset, 20bv64;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {8730#true} is VALID [2022-02-20 21:11:01,130 INFO L290 TraceCheckUtils]: 0: Hoare triple {8730#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv64, 0bv64;assume 0bv1 == #valid[0bv64];assume ~bvult64(0bv64, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv64, 1bv64);call write~init~intINTTYPE1(48bv8, 1bv64, 0bv64, 1bv64);call write~init~intINTTYPE1(0bv8, 1bv64, 1bv64, 1bv64);call #Ultimate.allocInit(35bv64, 2bv64);call #Ultimate.allocInit(12bv64, 3bv64);call #Ultimate.allocInit(78bv64, 4bv64);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5bv64, 0bv64;call #Ultimate.allocInit(40bv64, 5bv64);call write~init~$Pointer$(#funAddr~s_can_fail_malloc_allocator.base, #funAddr~s_can_fail_malloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset, 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_free_allocator.base, #funAddr~s_can_fail_free_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(8bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_realloc_allocator.base, #funAddr~s_can_fail_realloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(16bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(#funAddr~s_can_fail_calloc_allocator.base, #funAddr~s_can_fail_calloc_allocator.offset, ~#s_can_fail_allocator_static~0.base, ~bvadd64(24bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);call write~init~$Pointer$(0bv64, 0bv64, ~#s_can_fail_allocator_static~0.base, ~bvadd64(32bv64, ~#s_can_fail_allocator_static~0.offset), 8bv64);~tl_last_error~0 := 0bv32; {8730#true} is VALID [2022-02-20 21:11:01,131 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-02-20 21:11:01,131 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 21:11:01,131 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685600606] [2022-02-20 21:11:01,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685600606] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 21:11:01,131 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 21:11:01,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2022-02-20 21:11:01,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617875969] [2022-02-20 21:11:01,132 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 21:11:01,133 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 131 [2022-02-20 21:11:01,136 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:11:01,141 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-02-20 21:11:01,259 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 137 edges. 137 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:01,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-20 21:11:01,259 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 21:11:01,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-20 21:11:01,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-02-20 21:11:01,260 INFO L87 Difference]: Start difference. First operand 146 states and 197 transitions. Second operand has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-02-20 21:11:05,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:05,067 INFO L93 Difference]: Finished difference Result 316 states and 445 transitions. [2022-02-20 21:11:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-20 21:11:05,068 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 131 [2022-02-20 21:11:05,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:11:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-02-20 21:11:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 412 transitions. [2022-02-20 21:11:05,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-02-20 21:11:05,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 412 transitions. [2022-02-20 21:11:05,076 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 412 transitions. [2022-02-20 21:11:05,436 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 412 edges. 412 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:05,439 INFO L225 Difference]: With dead ends: 316 [2022-02-20 21:11:05,439 INFO L226 Difference]: Without dead ends: 190 [2022-02-20 21:11:05,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2022-02-20 21:11:05,440 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 147 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 21:11:05,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 1137 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 307 Invalid, 0 Unknown, 53 Unchecked, 0.6s Time] [2022-02-20 21:11:05,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-02-20 21:11:05,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 155. [2022-02-20 21:11:05,449 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:11:05,449 INFO L82 GeneralOperation]: Start isEquivalent. First operand 190 states. Second operand has 155 states, 103 states have (on average 1.233009708737864) internal successors, (127), 106 states have internal predecessors, (127), 38 states have call successors, (38), 11 states have call predecessors, (38), 13 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2022-02-20 21:11:05,449 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand has 155 states, 103 states have (on average 1.233009708737864) internal successors, (127), 106 states have internal predecessors, (127), 38 states have call successors, (38), 11 states have call predecessors, (38), 13 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2022-02-20 21:11:05,450 INFO L87 Difference]: Start difference. First operand 190 states. Second operand has 155 states, 103 states have (on average 1.233009708737864) internal successors, (127), 106 states have internal predecessors, (127), 38 states have call successors, (38), 11 states have call predecessors, (38), 13 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2022-02-20 21:11:05,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:05,470 INFO L93 Difference]: Finished difference Result 190 states and 266 transitions. [2022-02-20 21:11:05,470 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 266 transitions. [2022-02-20 21:11:05,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:05,471 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:05,477 INFO L74 IsIncluded]: Start isIncluded. First operand has 155 states, 103 states have (on average 1.233009708737864) internal successors, (127), 106 states have internal predecessors, (127), 38 states have call successors, (38), 11 states have call predecessors, (38), 13 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) Second operand 190 states. [2022-02-20 21:11:05,478 INFO L87 Difference]: Start difference. First operand has 155 states, 103 states have (on average 1.233009708737864) internal successors, (127), 106 states have internal predecessors, (127), 38 states have call successors, (38), 11 states have call predecessors, (38), 13 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) Second operand 190 states. [2022-02-20 21:11:05,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:05,482 INFO L93 Difference]: Finished difference Result 190 states and 266 transitions. [2022-02-20 21:11:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 266 transitions. [2022-02-20 21:11:05,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:05,483 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:05,483 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:11:05,483 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:11:05,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 103 states have (on average 1.233009708737864) internal successors, (127), 106 states have internal predecessors, (127), 38 states have call successors, (38), 11 states have call predecessors, (38), 13 states have return successors, (43), 37 states have call predecessors, (43), 37 states have call successors, (43) [2022-02-20 21:11:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 208 transitions. [2022-02-20 21:11:05,486 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 208 transitions. Word has length 131 [2022-02-20 21:11:05,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:11:05,486 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 208 transitions. [2022-02-20 21:11:05,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-02-20 21:11:05,487 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 208 transitions. [2022-02-20 21:11:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-02-20 21:11:05,487 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:11:05,488 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2022-02-20 21:11:05,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-02-20 21:11:05,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 21:11:05,688 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:11:05,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:11:05,689 INFO L85 PathProgramCache]: Analyzing trace with hash 369986644, now seen corresponding path program 1 times [2022-02-20 21:11:05,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 21:11:05,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512461743] [2022-02-20 21:11:05,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:11:05,690 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 21:11:05,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 21:11:05,703 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 21:11:05,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-02-20 21:11:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:05,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-20 21:11:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:05,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:11:08,534 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_9| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_9|) (_ bv0 64)) (_ bv16 64)))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_9| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_9|) (_ bv0 64)) |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_9|)))) is different from true [2022-02-20 21:11:10,775 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_10| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_10|) (_ bv0 64)) (_ bv16 64)))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_10| (_ BitVec 64))) (not (= |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_10| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_10|) (_ bv0 64)))))) is different from true [2022-02-20 21:11:12,917 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_11| (_ BitVec 64))) (not (= |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_11| (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_11|) (_ bv0 64))))) (exists ((|v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_11| (_ BitVec 64))) (not (= (_ bv16 64) (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_pop_back_~list#1.base_BEFORE_CALL_11|) (_ bv0 64)))))) is different from true