./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_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_prev_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 0aec0bb8b8715e014581c4eef5e1e25c7e0452a528f8abdf2f2a721d17b0fa7f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 21:10:17,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 21:10:17,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 21:10:17,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 21:10:17,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 21:10:17,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 21:10:17,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 21:10:17,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 21:10:17,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 21:10:17,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 21:10:17,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 21:10:17,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 21:10:17,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 21:10:17,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 21:10:17,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 21:10:17,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 21:10:17,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 21:10:17,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 21:10:17,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 21:10:17,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 21:10:17,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 21:10:17,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 21:10:17,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 21:10:17,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 21:10:17,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 21:10:17,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 21:10:17,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 21:10:17,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 21:10:17,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 21:10:17,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 21:10:17,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 21:10:17,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 21:10:17,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 21:10:17,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 21:10:17,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 21:10:17,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 21:10:17,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 21:10:17,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 21:10:17,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 21:10:17,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 21:10:17,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 21:10:17,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-02-20 21:10:17,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 21:10:17,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 21:10:17,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 21:10:17,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 21:10:17,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 21:10:17,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 21:10:17,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 21:10:17,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 21:10:17,548 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 21:10:17,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 21:10:17,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 21:10:17,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 21:10:17,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 21:10:17,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 21:10:17,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 21:10:17,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 21:10:17,550 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 21:10:17,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 21:10:17,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 21:10:17,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 21:10:17,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 21:10:17,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:10:17,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 21:10:17,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 21:10:17,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 21:10:17,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 21:10:17,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 21:10:17,553 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 21:10:17,553 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 21:10:17,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 21:10:17,554 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0aec0bb8b8715e014581c4eef5e1e25c7e0452a528f8abdf2f2a721d17b0fa7f [2022-02-20 21:10:17,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 21:10:17,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 21:10:17,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 21:10:17,805 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 21:10:17,807 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 21:10:17,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i [2022-02-20 21:10:17,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad49470b2/1a2ea43f3c204a0b9211495c46bfe938/FLAG57356534a [2022-02-20 21:10:18,518 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 21:10:18,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_prev_harness.i [2022-02-20 21:10:18,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad49470b2/1a2ea43f3c204a0b9211495c46bfe938/FLAG57356534a [2022-02-20 21:10:18,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad49470b2/1a2ea43f3c204a0b9211495c46bfe938 [2022-02-20 21:10:18,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 21:10:18,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 21:10:18,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 21:10:18,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 21:10:18,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 21:10:18,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:10:18" (1/1) ... [2022-02-20 21:10:18,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba067fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:18, skipping insertion in model container [2022-02-20 21:10:18,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:10:18" (1/1) ... [2022-02-20 21:10:18,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 21:10:18,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 21:10:19,152 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_prev_harness.i[4494,4507] [2022-02-20 21:10:19,159 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_prev_harness.i[4554,4567] [2022-02-20 21:10:19,734 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,735 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,735 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,736 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,737 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,749 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,755 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,757 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,758 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,761 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,763 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,764 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,764 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:19,993 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-02-20 21:10:19,994 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-02-20 21:10:19,995 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-02-20 21:10:19,996 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-02-20 21:10:19,997 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-02-20 21:10:19,998 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-02-20 21:10:19,999 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-02-20 21:10:19,999 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-02-20 21:10:20,000 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-02-20 21:10:20,000 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-02-20 21:10:20,086 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-02-20 21:10:20,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:10:20,120 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 21:10:20,142 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_prev_harness.i[4494,4507] [2022-02-20 21:10:20,143 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_prev_harness.i[4554,4567] [2022-02-20 21:10:20,231 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,231 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,232 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,232 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,233 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,238 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,239 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,240 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,240 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,241 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,242 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,242 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,242 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:10:20,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-02-20 21:10:20,271 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-02-20 21:10:20,272 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-02-20 21:10:20,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-02-20 21:10:20,274 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-02-20 21:10:20,274 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-02-20 21:10:20,275 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-02-20 21:10:20,275 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-02-20 21:10:20,276 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-02-20 21:10:20,276 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-02-20 21:10:20,295 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-02-20 21:10:20,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:10:20,473 INFO L208 MainTranslator]: Completed translation [2022-02-20 21:10:20,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20 WrapperNode [2022-02-20 21:10:20,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 21:10:20,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 21:10:20,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 21:10:20,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 21:10:20,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20" (1/1) ... [2022-02-20 21:10:20,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20" (1/1) ... [2022-02-20 21:10:20,579 INFO L137 Inliner]: procedures = 679, calls = 1039, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 58 [2022-02-20 21:10:20,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 21:10:20,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 21:10:20,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 21:10:20,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 21:10:20,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20" (1/1) ... [2022-02-20 21:10:20,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20" (1/1) ... [2022-02-20 21:10:20,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20" (1/1) ... [2022-02-20 21:10:20,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20" (1/1) ... [2022-02-20 21:10:20,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20" (1/1) ... [2022-02-20 21:10:20,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20" (1/1) ... [2022-02-20 21:10:20,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20" (1/1) ... [2022-02-20 21:10:20,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 21:10:20,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 21:10:20,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 21:10:20,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 21:10:20,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20" (1/1) ... [2022-02-20 21:10:20,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:10:20,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:10:20,647 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 21:10:20,676 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 21:10:20,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 21:10:20,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-20 21:10:20,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-20 21:10:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2022-02-20 21:10:20,694 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2022-02-20 21:10:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 21:10:20,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 21:10:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 21:10:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 21:10:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 21:10:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 21:10:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 21:10:20,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 21:10:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 21:10:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2022-02-20 21:10:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2022-02-20 21:10:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 21:10:20,940 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 21:10:20,942 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 21:10:21,181 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 21:10:21,187 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 21:10:21,188 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 21:10:21,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:10:21 BoogieIcfgContainer [2022-02-20 21:10:21,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 21:10:21,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 21:10:21,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 21:10:21,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 21:10:21,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 09:10:18" (1/3) ... [2022-02-20 21:10:21,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d54e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:10:21, skipping insertion in model container [2022-02-20 21:10:21,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:10:20" (2/3) ... [2022-02-20 21:10:21,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d54e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:10:21, skipping insertion in model container [2022-02-20 21:10:21,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:10:21" (3/3) ... [2022-02-20 21:10:21,197 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_prev_harness.i [2022-02-20 21:10:21,200 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 21:10:21,200 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 21:10:21,229 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 21:10:21,234 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 21:10:21,235 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 21:10:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-02-20 21:10:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 21:10:21,254 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:21,255 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:21,255 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:21,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:21,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1117195627, now seen corresponding path program 1 times [2022-02-20 21:10:21,268 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:21,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33550716] [2022-02-20 21:10:21,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:21,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:21,668 INFO L290 TraceCheckUtils]: 0: Hoare triple {53#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {53#true} is VALID [2022-02-20 21:10:21,670 INFO L290 TraceCheckUtils]: 1: Hoare triple {53#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {53#true} is VALID [2022-02-20 21:10:21,670 INFO L290 TraceCheckUtils]: 2: Hoare triple {53#true} #t~short312 := #t~short309; {53#true} is VALID [2022-02-20 21:10:21,670 INFO L290 TraceCheckUtils]: 3: Hoare triple {53#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {53#true} is VALID [2022-02-20 21:10:21,671 INFO L290 TraceCheckUtils]: 4: Hoare triple {53#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {53#true} is VALID [2022-02-20 21:10:21,671 INFO L290 TraceCheckUtils]: 5: Hoare triple {53#true} assume true; {53#true} is VALID [2022-02-20 21:10:21,672 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {53#true} {53#true} #80#return; {53#true} is VALID [2022-02-20 21:10:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:10:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:21,694 INFO L290 TraceCheckUtils]: 0: Hoare triple {53#true} ~cond := #in~cond; {53#true} is VALID [2022-02-20 21:10:21,695 INFO L290 TraceCheckUtils]: 1: Hoare triple {53#true} assume 0 == ~cond % 256;assume false; {54#false} is VALID [2022-02-20 21:10:21,695 INFO L290 TraceCheckUtils]: 2: Hoare triple {54#false} assume true; {54#false} is VALID [2022-02-20 21:10:21,696 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {54#false} {53#true} #82#return; {54#false} is VALID [2022-02-20 21:10:21,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:10:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:21,722 INFO L290 TraceCheckUtils]: 0: Hoare triple {53#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {53#true} is VALID [2022-02-20 21:10:21,723 INFO L290 TraceCheckUtils]: 1: Hoare triple {53#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {53#true} is VALID [2022-02-20 21:10:21,723 INFO L290 TraceCheckUtils]: 2: Hoare triple {53#true} #t~short312 := #t~short309; {53#true} is VALID [2022-02-20 21:10:21,723 INFO L290 TraceCheckUtils]: 3: Hoare triple {53#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {53#true} is VALID [2022-02-20 21:10:21,723 INFO L290 TraceCheckUtils]: 4: Hoare triple {53#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {53#true} is VALID [2022-02-20 21:10:21,724 INFO L290 TraceCheckUtils]: 5: Hoare triple {53#true} assume true; {53#true} is VALID [2022-02-20 21:10:21,724 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {53#true} {54#false} #84#return; {54#false} is VALID [2022-02-20 21:10:21,724 INFO L290 TraceCheckUtils]: 0: Hoare triple {53#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(31, 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; {53#true} is VALID [2022-02-20 21:10:21,725 INFO L290 TraceCheckUtils]: 1: Hoare triple {53#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {53#true} is VALID [2022-02-20 21:10:21,725 INFO L272 TraceCheckUtils]: 2: Hoare triple {53#true} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {53#true} is VALID [2022-02-20 21:10:21,725 INFO L290 TraceCheckUtils]: 3: Hoare triple {53#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {53#true} is VALID [2022-02-20 21:10:21,726 INFO L290 TraceCheckUtils]: 4: Hoare triple {53#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {53#true} is VALID [2022-02-20 21:10:21,726 INFO L290 TraceCheckUtils]: 5: Hoare triple {53#true} #t~short312 := #t~short309; {53#true} is VALID [2022-02-20 21:10:21,726 INFO L290 TraceCheckUtils]: 6: Hoare triple {53#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {53#true} is VALID [2022-02-20 21:10:21,726 INFO L290 TraceCheckUtils]: 7: Hoare triple {53#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {53#true} is VALID [2022-02-20 21:10:21,727 INFO L290 TraceCheckUtils]: 8: Hoare triple {53#true} assume true; {53#true} is VALID [2022-02-20 21:10:21,727 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {53#true} {53#true} #80#return; {53#true} is VALID [2022-02-20 21:10:21,727 INFO L272 TraceCheckUtils]: 10: Hoare triple {53#true} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {53#true} is VALID [2022-02-20 21:10:21,727 INFO L290 TraceCheckUtils]: 11: Hoare triple {53#true} ~cond := #in~cond; {53#true} is VALID [2022-02-20 21:10:21,728 INFO L290 TraceCheckUtils]: 12: Hoare triple {53#true} assume 0 == ~cond % 256;assume false; {54#false} is VALID [2022-02-20 21:10:21,728 INFO L290 TraceCheckUtils]: 13: Hoare triple {54#false} assume true; {54#false} is VALID [2022-02-20 21:10:21,728 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {54#false} {53#true} #82#return; {54#false} is VALID [2022-02-20 21:10:21,729 INFO L290 TraceCheckUtils]: 15: Hoare triple {54#false} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {54#false} is VALID [2022-02-20 21:10:21,729 INFO L272 TraceCheckUtils]: 16: Hoare triple {54#false} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {53#true} is VALID [2022-02-20 21:10:21,729 INFO L290 TraceCheckUtils]: 17: Hoare triple {53#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {53#true} is VALID [2022-02-20 21:10:21,745 INFO L290 TraceCheckUtils]: 18: Hoare triple {53#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {53#true} is VALID [2022-02-20 21:10:21,746 INFO L290 TraceCheckUtils]: 19: Hoare triple {53#true} #t~short312 := #t~short309; {53#true} is VALID [2022-02-20 21:10:21,746 INFO L290 TraceCheckUtils]: 20: Hoare triple {53#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {53#true} is VALID [2022-02-20 21:10:21,746 INFO L290 TraceCheckUtils]: 21: Hoare triple {53#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {53#true} is VALID [2022-02-20 21:10:21,746 INFO L290 TraceCheckUtils]: 22: Hoare triple {53#true} assume true; {53#true} is VALID [2022-02-20 21:10:21,747 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {53#true} {54#false} #84#return; {54#false} is VALID [2022-02-20 21:10:21,747 INFO L272 TraceCheckUtils]: 24: Hoare triple {54#false} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {54#false} is VALID [2022-02-20 21:10:21,747 INFO L290 TraceCheckUtils]: 25: Hoare triple {54#false} ~cond := #in~cond; {54#false} is VALID [2022-02-20 21:10:21,747 INFO L290 TraceCheckUtils]: 26: Hoare triple {54#false} assume 0 == ~cond % 256; {54#false} is VALID [2022-02-20 21:10:21,748 INFO L290 TraceCheckUtils]: 27: Hoare triple {54#false} assume !false; {54#false} is VALID [2022-02-20 21:10:21,748 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 21:10:21,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:21,749 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33550716] [2022-02-20 21:10:21,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33550716] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:21,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:10:21,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 21:10:21,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116175684] [2022-02-20 21:10:21,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:21,757 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-02-20 21:10:21,758 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:21,761 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 21:10:21,793 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:21,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 21:10:21,794 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:21,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 21:10:21,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 21:10:21,813 INFO L87 Difference]: Start difference. First operand has 50 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 21:10:21,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:21,916 INFO L93 Difference]: Finished difference Result 94 states and 124 transitions. [2022-02-20 21:10:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 21:10:21,917 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-02-20 21:10:21,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:21,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 21:10:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 124 transitions. [2022-02-20 21:10:21,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 21:10:21,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 124 transitions. [2022-02-20 21:10:21,939 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 124 transitions. [2022-02-20 21:10:22,091 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:22,104 INFO L225 Difference]: With dead ends: 94 [2022-02-20 21:10:22,105 INFO L226 Difference]: Without dead ends: 45 [2022-02-20 21:10:22,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 21:10:22,111 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:22,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:10:22,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-02-20 21:10:22,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-02-20 21:10:22,138 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:22,139 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 29 states have internal predecessors, (33), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-02-20 21:10:22,140 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 29 states have internal predecessors, (33), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-02-20 21:10:22,140 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 29 states have internal predecessors, (33), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-02-20 21:10:22,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:22,145 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2022-02-20 21:10:22,145 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-02-20 21:10:22,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:22,146 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:22,147 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 29 states have internal predecessors, (33), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand 45 states. [2022-02-20 21:10:22,148 INFO L87 Difference]: Start difference. First operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 29 states have internal predecessors, (33), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand 45 states. [2022-02-20 21:10:22,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:22,152 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2022-02-20 21:10:22,152 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-02-20 21:10:22,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:22,153 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:22,153 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:22,153 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:22,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 29 states have internal predecessors, (33), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-02-20 21:10:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-02-20 21:10:22,163 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 28 [2022-02-20 21:10:22,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:22,164 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-02-20 21:10:22,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 21:10:22,166 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-02-20 21:10:22,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 21:10:22,167 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:22,168 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:22,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 21:10:22,168 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:22,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:22,169 INFO L85 PathProgramCache]: Analyzing trace with hash 96127273, now seen corresponding path program 1 times [2022-02-20 21:10:22,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:22,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209346250] [2022-02-20 21:10:22,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:22,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,713 INFO L290 TraceCheckUtils]: 0: Hoare triple {354#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {380#(and (or (not (= aws_linked_list_node_prev_is_valid_~node.offset 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:22,714 INFO L290 TraceCheckUtils]: 1: Hoare triple {380#(and (or (not (= aws_linked_list_node_prev_is_valid_~node.offset 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {381#(and (or (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_prev_is_valid_~node.base) (+ 8 aws_linked_list_node_prev_is_valid_~node.offset)) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)) (not (= aws_linked_list_node_prev_is_valid_~node.offset 0))) (or (= aws_linked_list_node_prev_is_valid_~node.offset 0) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} is VALID [2022-02-20 21:10:22,718 INFO L290 TraceCheckUtils]: 2: Hoare triple {381#(and (or (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_prev_is_valid_~node.base) (+ 8 aws_linked_list_node_prev_is_valid_~node.offset)) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)) (not (= aws_linked_list_node_prev_is_valid_~node.offset 0))) (or (= aws_linked_list_node_prev_is_valid_~node.offset 0) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} #t~short312 := #t~short309; {381#(and (or (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_prev_is_valid_~node.base) (+ 8 aws_linked_list_node_prev_is_valid_~node.offset)) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)) (not (= aws_linked_list_node_prev_is_valid_~node.offset 0))) (or (= aws_linked_list_node_prev_is_valid_~node.offset 0) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} is VALID [2022-02-20 21:10:22,720 INFO L290 TraceCheckUtils]: 3: Hoare triple {381#(and (or (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_prev_is_valid_~node.base) (+ 8 aws_linked_list_node_prev_is_valid_~node.offset)) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)) (not (= aws_linked_list_node_prev_is_valid_~node.offset 0))) (or (= aws_linked_list_node_prev_is_valid_~node.offset 0) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {382#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} is VALID [2022-02-20 21:10:22,722 INFO L290 TraceCheckUtils]: 4: Hoare triple {382#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {383#(or (and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (<= |aws_linked_list_node_prev_is_valid_#res| 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} is VALID [2022-02-20 21:10:22,722 INFO L290 TraceCheckUtils]: 5: Hoare triple {383#(or (and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (<= |aws_linked_list_node_prev_is_valid_#res| 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} assume true; {383#(or (and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (<= |aws_linked_list_node_prev_is_valid_#res| 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} is VALID [2022-02-20 21:10:22,724 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {383#(or (and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (<= |aws_linked_list_node_prev_is_valid_#res| 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} {356#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0))} #80#return; {364#(and (or (and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 0) (<= 0 |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1|)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:22,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:10:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,810 INFO L290 TraceCheckUtils]: 0: Hoare triple {354#true} ~cond := #in~cond; {384#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:10:22,812 INFO L290 TraceCheckUtils]: 1: Hoare triple {384#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond % 256); {385#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:22,812 INFO L290 TraceCheckUtils]: 2: Hoare triple {385#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} assume true; {385#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:22,813 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {385#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} {364#(and (or (and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 0) (<= 0 |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1|)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #82#return; {369#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:22,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:10:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:22,998 INFO L290 TraceCheckUtils]: 0: Hoare triple {354#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} is VALID [2022-02-20 21:10:23,000 INFO L290 TraceCheckUtils]: 1: Hoare triple {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} is VALID [2022-02-20 21:10:23,000 INFO L290 TraceCheckUtils]: 2: Hoare triple {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} #t~short312 := #t~short309; {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} is VALID [2022-02-20 21:10:23,002 INFO L290 TraceCheckUtils]: 3: Hoare triple {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {387#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) |aws_linked_list_node_prev_is_valid_#t~short312| (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} is VALID [2022-02-20 21:10:23,002 INFO L290 TraceCheckUtils]: 4: Hoare triple {387#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) |aws_linked_list_node_prev_is_valid_#t~short312| (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {388#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (<= 1 |aws_linked_list_node_prev_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} is VALID [2022-02-20 21:10:23,003 INFO L290 TraceCheckUtils]: 5: Hoare triple {388#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (<= 1 |aws_linked_list_node_prev_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} assume true; {388#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (<= 1 |aws_linked_list_node_prev_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} is VALID [2022-02-20 21:10:23,005 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {388#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (<= 1 |aws_linked_list_node_prev_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} {369#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #84#return; {377#(and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret336#1| 1) (<= 1 |ULTIMATE.start_aws_linked_list_prev_#t~ret336#1|))} is VALID [2022-02-20 21:10:23,005 INFO L290 TraceCheckUtils]: 0: Hoare triple {354#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(31, 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; {354#true} is VALID [2022-02-20 21:10:23,007 INFO L290 TraceCheckUtils]: 1: Hoare triple {354#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {356#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0))} is VALID [2022-02-20 21:10:23,008 INFO L272 TraceCheckUtils]: 2: Hoare triple {356#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {354#true} is VALID [2022-02-20 21:10:23,008 INFO L290 TraceCheckUtils]: 3: Hoare triple {354#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {380#(and (or (not (= aws_linked_list_node_prev_is_valid_~node.offset 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:23,009 INFO L290 TraceCheckUtils]: 4: Hoare triple {380#(and (or (not (= aws_linked_list_node_prev_is_valid_~node.offset 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {381#(and (or (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_prev_is_valid_~node.base) (+ 8 aws_linked_list_node_prev_is_valid_~node.offset)) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)) (not (= aws_linked_list_node_prev_is_valid_~node.offset 0))) (or (= aws_linked_list_node_prev_is_valid_~node.offset 0) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} is VALID [2022-02-20 21:10:23,010 INFO L290 TraceCheckUtils]: 5: Hoare triple {381#(and (or (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_prev_is_valid_~node.base) (+ 8 aws_linked_list_node_prev_is_valid_~node.offset)) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)) (not (= aws_linked_list_node_prev_is_valid_~node.offset 0))) (or (= aws_linked_list_node_prev_is_valid_~node.offset 0) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} #t~short312 := #t~short309; {381#(and (or (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_prev_is_valid_~node.base) (+ 8 aws_linked_list_node_prev_is_valid_~node.offset)) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)) (not (= aws_linked_list_node_prev_is_valid_~node.offset 0))) (or (= aws_linked_list_node_prev_is_valid_~node.offset 0) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} is VALID [2022-02-20 21:10:23,012 INFO L290 TraceCheckUtils]: 6: Hoare triple {381#(and (or (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_prev_is_valid_~node.base) (+ 8 aws_linked_list_node_prev_is_valid_~node.offset)) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)) (not (= aws_linked_list_node_prev_is_valid_~node.offset 0))) (or (= aws_linked_list_node_prev_is_valid_~node.offset 0) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {382#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} is VALID [2022-02-20 21:10:23,013 INFO L290 TraceCheckUtils]: 7: Hoare triple {382#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {383#(or (and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (<= |aws_linked_list_node_prev_is_valid_#res| 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} is VALID [2022-02-20 21:10:23,013 INFO L290 TraceCheckUtils]: 8: Hoare triple {383#(or (and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (<= |aws_linked_list_node_prev_is_valid_#res| 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} assume true; {383#(or (and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (<= |aws_linked_list_node_prev_is_valid_#res| 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} is VALID [2022-02-20 21:10:23,015 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {383#(or (and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (<= |aws_linked_list_node_prev_is_valid_#res| 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0) |aws_linked_list_node_prev_is_valid_#in~node.offset|)))} {356#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0))} #80#return; {364#(and (or (and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 0) (<= 0 |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1|)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:23,015 INFO L272 TraceCheckUtils]: 10: Hoare triple {364#(and (or (and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 0) (<= 0 |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1|)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {354#true} is VALID [2022-02-20 21:10:23,016 INFO L290 TraceCheckUtils]: 11: Hoare triple {354#true} ~cond := #in~cond; {384#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:10:23,017 INFO L290 TraceCheckUtils]: 12: Hoare triple {384#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond % 256); {385#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:23,018 INFO L290 TraceCheckUtils]: 13: Hoare triple {385#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} assume true; {385#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:23,019 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {385#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} {364#(and (or (and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 0) (<= 0 |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1|)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #82#return; {369#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:23,020 INFO L290 TraceCheckUtils]: 15: Hoare triple {369#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {369#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:23,020 INFO L272 TraceCheckUtils]: 16: Hoare triple {369#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {354#true} is VALID [2022-02-20 21:10:23,021 INFO L290 TraceCheckUtils]: 17: Hoare triple {354#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} is VALID [2022-02-20 21:10:23,022 INFO L290 TraceCheckUtils]: 18: Hoare triple {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} is VALID [2022-02-20 21:10:23,022 INFO L290 TraceCheckUtils]: 19: Hoare triple {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} #t~short312 := #t~short309; {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} is VALID [2022-02-20 21:10:23,023 INFO L290 TraceCheckUtils]: 20: Hoare triple {386#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= (+ 8 aws_linked_list_node_prev_is_valid_~node.offset) 8)))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {387#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) |aws_linked_list_node_prev_is_valid_#t~short312| (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} is VALID [2022-02-20 21:10:23,024 INFO L290 TraceCheckUtils]: 21: Hoare triple {387#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) |aws_linked_list_node_prev_is_valid_#t~short312| (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {388#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (<= 1 |aws_linked_list_node_prev_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} is VALID [2022-02-20 21:10:23,025 INFO L290 TraceCheckUtils]: 22: Hoare triple {388#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (<= 1 |aws_linked_list_node_prev_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} assume true; {388#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (<= 1 |aws_linked_list_node_prev_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} is VALID [2022-02-20 21:10:23,027 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {388#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)))) (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (<= 1 |aws_linked_list_node_prev_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8)) 0)))} {369#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #84#return; {377#(and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret336#1| 1) (<= 1 |ULTIMATE.start_aws_linked_list_prev_#t~ret336#1|))} is VALID [2022-02-20 21:10:23,027 INFO L272 TraceCheckUtils]: 24: Hoare triple {377#(and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret336#1| 1) (<= 1 |ULTIMATE.start_aws_linked_list_prev_#t~ret336#1|))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {378#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} is VALID [2022-02-20 21:10:23,028 INFO L290 TraceCheckUtils]: 25: Hoare triple {378#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} ~cond := #in~cond; {379#(and (<= (div __VERIFIER_assert_~cond 256) 0) (<= 1 __VERIFIER_assert_~cond))} is VALID [2022-02-20 21:10:23,029 INFO L290 TraceCheckUtils]: 26: Hoare triple {379#(and (<= (div __VERIFIER_assert_~cond 256) 0) (<= 1 __VERIFIER_assert_~cond))} assume 0 == ~cond % 256; {355#false} is VALID [2022-02-20 21:10:23,029 INFO L290 TraceCheckUtils]: 27: Hoare triple {355#false} assume !false; {355#false} is VALID [2022-02-20 21:10:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 21:10:23,030 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:23,030 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209346250] [2022-02-20 21:10:23,030 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209346250] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:10:23,030 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185763447] [2022-02-20 21:10:23,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:23,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:23,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:10:23,032 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 21:10:23,033 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 21:10:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:23,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 90 conjunts are in the unsatisfiable core [2022-02-20 21:10:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:23,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:23,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:10:23,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:10:23,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-02-20 21:10:23,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:10:23,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:10:23,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-02-20 21:10:23,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:10:23,290 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-02-20 21:10:23,301 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 8 treesize of output 7 [2022-02-20 21:10:23,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:10:23,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-02-20 21:10:23,315 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 12 treesize of output 11 [2022-02-20 21:10:23,320 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 8 treesize of output 7 [2022-02-20 21:10:23,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-02-20 21:10:23,330 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 12 treesize of output 11 [2022-02-20 21:10:25,300 INFO L356 Elim1Store]: treesize reduction 8, result has 71.4 percent of original size [2022-02-20 21:10:25,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 133 treesize of output 94 [2022-02-20 21:10:25,428 INFO L356 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2022-02-20 21:10:25,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 61 treesize of output 35 [2022-02-20 21:10:25,678 INFO L290 TraceCheckUtils]: 0: Hoare triple {354#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(31, 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; {354#true} is VALID [2022-02-20 21:10:25,680 INFO L290 TraceCheckUtils]: 1: Hoare triple {354#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {395#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:25,682 INFO L272 TraceCheckUtils]: 2: Hoare triple {395#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {399#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0)))} is VALID [2022-02-20 21:10:25,683 INFO L290 TraceCheckUtils]: 3: Hoare triple {399#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0)))} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:25,684 INFO L290 TraceCheckUtils]: 4: Hoare triple {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:25,684 INFO L290 TraceCheckUtils]: 5: Hoare triple {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} #t~short312 := #t~short309; {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:25,686 INFO L290 TraceCheckUtils]: 6: Hoare triple {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {413#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and |aws_linked_list_node_prev_is_valid_#t~short312| (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (not |aws_linked_list_node_prev_is_valid_#t~short312|) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} is VALID [2022-02-20 21:10:25,688 INFO L290 TraceCheckUtils]: 7: Hoare triple {413#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and |aws_linked_list_node_prev_is_valid_#t~short312| (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (not |aws_linked_list_node_prev_is_valid_#t~short312|) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {417#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and (= |aws_linked_list_node_prev_is_valid_#res| 1) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (= |aws_linked_list_node_prev_is_valid_#res| 0) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} is VALID [2022-02-20 21:10:25,689 INFO L290 TraceCheckUtils]: 8: Hoare triple {417#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and (= |aws_linked_list_node_prev_is_valid_#res| 1) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (= |aws_linked_list_node_prev_is_valid_#res| 0) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} assume true; {417#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and (= |aws_linked_list_node_prev_is_valid_#res| 1) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (= |aws_linked_list_node_prev_is_valid_#res| 0) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} is VALID [2022-02-20 21:10:25,691 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {417#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and (= |aws_linked_list_node_prev_is_valid_#res| 1) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (= |aws_linked_list_node_prev_is_valid_#res| 0) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} {395#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} #80#return; {424#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 1))} is VALID [2022-02-20 21:10:25,694 INFO L272 TraceCheckUtils]: 10: Hoare triple {424#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 1))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {399#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0)))} is VALID [2022-02-20 21:10:25,695 INFO L290 TraceCheckUtils]: 11: Hoare triple {399#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0)))} ~cond := #in~cond; {431#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|))} is VALID [2022-02-20 21:10:25,697 INFO L290 TraceCheckUtils]: 12: Hoare triple {431#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|))} assume !(0 == ~cond % 256); {435#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (not (= (mod |assume_abort_if_not_#in~cond| 256) 0)))} is VALID [2022-02-20 21:10:25,698 INFO L290 TraceCheckUtils]: 13: Hoare triple {435#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (not (= (mod |assume_abort_if_not_#in~cond| 256) 0)))} assume true; {435#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (not (= (mod |assume_abort_if_not_#in~cond| 256) 0)))} is VALID [2022-02-20 21:10:25,699 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {435#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (not (= (mod |assume_abort_if_not_#in~cond| 256) 0)))} {424#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 1))} #82#return; {395#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:25,700 INFO L290 TraceCheckUtils]: 15: Hoare triple {395#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {395#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:25,701 INFO L272 TraceCheckUtils]: 16: Hoare triple {395#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {399#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0)))} is VALID [2022-02-20 21:10:25,703 INFO L290 TraceCheckUtils]: 17: Hoare triple {399#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0)))} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:25,704 INFO L290 TraceCheckUtils]: 18: Hoare triple {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:25,705 INFO L290 TraceCheckUtils]: 19: Hoare triple {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} #t~short312 := #t~short309; {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:25,708 INFO L290 TraceCheckUtils]: 20: Hoare triple {403#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {413#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and |aws_linked_list_node_prev_is_valid_#t~short312| (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (not |aws_linked_list_node_prev_is_valid_#t~short312|) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} is VALID [2022-02-20 21:10:25,709 INFO L290 TraceCheckUtils]: 21: Hoare triple {413#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and |aws_linked_list_node_prev_is_valid_#t~short312| (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (not |aws_linked_list_node_prev_is_valid_#t~short312|) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {417#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and (= |aws_linked_list_node_prev_is_valid_#res| 1) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (= |aws_linked_list_node_prev_is_valid_#res| 0) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} is VALID [2022-02-20 21:10:25,720 INFO L290 TraceCheckUtils]: 22: Hoare triple {417#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and (= |aws_linked_list_node_prev_is_valid_#res| 1) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (= |aws_linked_list_node_prev_is_valid_#res| 0) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} assume true; {417#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and (= |aws_linked_list_node_prev_is_valid_#res| 1) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (= |aws_linked_list_node_prev_is_valid_#res| 0) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} is VALID [2022-02-20 21:10:25,722 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {417#(and (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_1|) 8) 0))) (or (and (= |aws_linked_list_node_prev_is_valid_#res| 1) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|)) (and (= |aws_linked_list_node_prev_is_valid_#res| 0) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) |aws_linked_list_node_prev_is_valid_#in~node.offset|))))))} {395#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8)) 0) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} #84#return; {377#(and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret336#1| 1) (<= 1 |ULTIMATE.start_aws_linked_list_prev_#t~ret336#1|))} is VALID [2022-02-20 21:10:25,723 INFO L272 TraceCheckUtils]: 24: Hoare triple {377#(and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret336#1| 1) (<= 1 |ULTIMATE.start_aws_linked_list_prev_#t~ret336#1|))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {378#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} is VALID [2022-02-20 21:10:25,724 INFO L290 TraceCheckUtils]: 25: Hoare triple {378#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} ~cond := #in~cond; {475#(and (<= __VERIFIER_assert_~cond 1) (<= 1 __VERIFIER_assert_~cond))} is VALID [2022-02-20 21:10:25,724 INFO L290 TraceCheckUtils]: 26: Hoare triple {475#(and (<= __VERIFIER_assert_~cond 1) (<= 1 __VERIFIER_assert_~cond))} assume 0 == ~cond % 256; {355#false} is VALID [2022-02-20 21:10:25,724 INFO L290 TraceCheckUtils]: 27: Hoare triple {355#false} assume !false; {355#false} is VALID [2022-02-20 21:10:25,725 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 21:10:25,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:10:25,725 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185763447] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:25,725 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 21:10:25,725 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [17] total 26 [2022-02-20 21:10:25,726 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271328776] [2022-02-20 21:10:25,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:25,727 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-02-20 21:10:25,727 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:25,727 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 21:10:25,760 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:25,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-20 21:10:25,760 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:25,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-20 21:10:25,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2022-02-20 21:10:25,762 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 21:10:26,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:26,284 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2022-02-20 21:10:26,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-20 21:10:26,285 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2022-02-20 21:10:26,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:26,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 21:10:26,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 84 transitions. [2022-02-20 21:10:26,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 21:10:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 84 transitions. [2022-02-20 21:10:26,290 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 84 transitions. [2022-02-20 21:10:26,375 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 21:10:26,378 INFO L225 Difference]: With dead ends: 70 [2022-02-20 21:10:26,378 INFO L226 Difference]: Without dead ends: 68 [2022-02-20 21:10:26,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2022-02-20 21:10:26,380 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 19 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:26,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 405 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 68 Unchecked, 0.0s Time] [2022-02-20 21:10:26,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-02-20 21:10:26,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2022-02-20 21:10:26,390 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:26,390 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand has 67 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 45 states have internal predecessors, (50), 15 states have call successors, (15), 7 states have call predecessors, (15), 8 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) [2022-02-20 21:10:26,391 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand has 67 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 45 states have internal predecessors, (50), 15 states have call successors, (15), 7 states have call predecessors, (15), 8 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) [2022-02-20 21:10:26,391 INFO L87 Difference]: Start difference. First operand 68 states. Second operand has 67 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 45 states have internal predecessors, (50), 15 states have call successors, (15), 7 states have call predecessors, (15), 8 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) [2022-02-20 21:10:26,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:26,395 INFO L93 Difference]: Finished difference Result 68 states and 82 transitions. [2022-02-20 21:10:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2022-02-20 21:10:26,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:26,396 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:26,397 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 45 states have internal predecessors, (50), 15 states have call successors, (15), 7 states have call predecessors, (15), 8 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) Second operand 68 states. [2022-02-20 21:10:26,398 INFO L87 Difference]: Start difference. First operand has 67 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 45 states have internal predecessors, (50), 15 states have call successors, (15), 7 states have call predecessors, (15), 8 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) Second operand 68 states. [2022-02-20 21:10:26,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:26,401 INFO L93 Difference]: Finished difference Result 68 states and 82 transitions. [2022-02-20 21:10:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2022-02-20 21:10:26,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:26,403 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:26,403 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:26,403 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:26,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 45 states have internal predecessors, (50), 15 states have call successors, (15), 7 states have call predecessors, (15), 8 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) [2022-02-20 21:10:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 81 transitions. [2022-02-20 21:10:26,407 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 81 transitions. Word has length 28 [2022-02-20 21:10:26,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:26,407 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 81 transitions. [2022-02-20 21:10:26,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 21:10:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2022-02-20 21:10:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 21:10:26,408 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:26,409 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:26,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-20 21:10:26,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:26,636 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:26,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:26,636 INFO L85 PathProgramCache]: Analyzing trace with hash -713219353, now seen corresponding path program 1 times [2022-02-20 21:10:26,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:26,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739939643] [2022-02-20 21:10:26,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:26,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:26,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:26,716 INFO L290 TraceCheckUtils]: 0: Hoare triple {802#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {802#true} is VALID [2022-02-20 21:10:26,716 INFO L290 TraceCheckUtils]: 1: Hoare triple {802#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {802#true} is VALID [2022-02-20 21:10:26,716 INFO L290 TraceCheckUtils]: 2: Hoare triple {802#true} #t~short312 := #t~short309; {802#true} is VALID [2022-02-20 21:10:26,716 INFO L290 TraceCheckUtils]: 3: Hoare triple {802#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {802#true} is VALID [2022-02-20 21:10:26,716 INFO L290 TraceCheckUtils]: 4: Hoare triple {802#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {802#true} is VALID [2022-02-20 21:10:26,716 INFO L290 TraceCheckUtils]: 5: Hoare triple {802#true} assume true; {802#true} is VALID [2022-02-20 21:10:26,717 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {802#true} {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} #80#return; {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} is VALID [2022-02-20 21:10:26,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:10:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:26,727 INFO L290 TraceCheckUtils]: 0: Hoare triple {802#true} ~cond := #in~cond; {802#true} is VALID [2022-02-20 21:10:26,727 INFO L290 TraceCheckUtils]: 1: Hoare triple {802#true} assume !(0 == ~cond % 256); {802#true} is VALID [2022-02-20 21:10:26,727 INFO L290 TraceCheckUtils]: 2: Hoare triple {802#true} assume true; {802#true} is VALID [2022-02-20 21:10:26,728 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {802#true} {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} #82#return; {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} is VALID [2022-02-20 21:10:26,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:10:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:26,864 INFO L290 TraceCheckUtils]: 0: Hoare triple {802#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {823#(and (or (not (= aws_linked_list_node_prev_is_valid_~node.offset 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (or (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= aws_linked_list_node_prev_is_valid_~node.offset 0)) (or (< 0 (+ aws_linked_list_node_prev_is_valid_~node.offset 1)) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} is VALID [2022-02-20 21:10:26,865 INFO L290 TraceCheckUtils]: 1: Hoare triple {823#(and (or (not (= aws_linked_list_node_prev_is_valid_~node.offset 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (or (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= aws_linked_list_node_prev_is_valid_~node.offset 0)) (or (< 0 (+ aws_linked_list_node_prev_is_valid_~node.offset 1)) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {824#(or |aws_linked_list_node_prev_is_valid_#t~short309| (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) 0) (<= 1 |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} is VALID [2022-02-20 21:10:26,866 INFO L290 TraceCheckUtils]: 2: Hoare triple {824#(or |aws_linked_list_node_prev_is_valid_#t~short309| (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) 0) (<= 1 |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} #t~short312 := #t~short309; {825#(or |aws_linked_list_node_prev_is_valid_#t~short312| (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} is VALID [2022-02-20 21:10:26,866 INFO L290 TraceCheckUtils]: 3: Hoare triple {825#(or |aws_linked_list_node_prev_is_valid_#t~short312| (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} assume !#t~short312; {826#(and (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|))} is VALID [2022-02-20 21:10:26,867 INFO L290 TraceCheckUtils]: 4: Hoare triple {826#(and (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {827#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} is VALID [2022-02-20 21:10:26,868 INFO L290 TraceCheckUtils]: 5: Hoare triple {827#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} assume true; {827#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} is VALID [2022-02-20 21:10:26,869 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {827#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} #84#return; {803#false} is VALID [2022-02-20 21:10:26,869 INFO L290 TraceCheckUtils]: 0: Hoare triple {802#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(31, 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; {802#true} is VALID [2022-02-20 21:10:26,871 INFO L290 TraceCheckUtils]: 1: Hoare triple {802#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} is VALID [2022-02-20 21:10:26,871 INFO L272 TraceCheckUtils]: 2: Hoare triple {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {802#true} is VALID [2022-02-20 21:10:26,871 INFO L290 TraceCheckUtils]: 3: Hoare triple {802#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {802#true} is VALID [2022-02-20 21:10:26,872 INFO L290 TraceCheckUtils]: 4: Hoare triple {802#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {802#true} is VALID [2022-02-20 21:10:26,872 INFO L290 TraceCheckUtils]: 5: Hoare triple {802#true} #t~short312 := #t~short309; {802#true} is VALID [2022-02-20 21:10:26,872 INFO L290 TraceCheckUtils]: 6: Hoare triple {802#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {802#true} is VALID [2022-02-20 21:10:26,872 INFO L290 TraceCheckUtils]: 7: Hoare triple {802#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {802#true} is VALID [2022-02-20 21:10:26,872 INFO L290 TraceCheckUtils]: 8: Hoare triple {802#true} assume true; {802#true} is VALID [2022-02-20 21:10:26,873 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {802#true} {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} #80#return; {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} is VALID [2022-02-20 21:10:26,873 INFO L272 TraceCheckUtils]: 10: Hoare triple {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {802#true} is VALID [2022-02-20 21:10:26,874 INFO L290 TraceCheckUtils]: 11: Hoare triple {802#true} ~cond := #in~cond; {802#true} is VALID [2022-02-20 21:10:26,874 INFO L290 TraceCheckUtils]: 12: Hoare triple {802#true} assume !(0 == ~cond % 256); {802#true} is VALID [2022-02-20 21:10:26,874 INFO L290 TraceCheckUtils]: 13: Hoare triple {802#true} assume true; {802#true} is VALID [2022-02-20 21:10:26,875 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {802#true} {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} #82#return; {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} is VALID [2022-02-20 21:10:26,876 INFO L290 TraceCheckUtils]: 15: Hoare triple {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} is VALID [2022-02-20 21:10:26,876 INFO L272 TraceCheckUtils]: 16: Hoare triple {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {802#true} is VALID [2022-02-20 21:10:26,876 INFO L290 TraceCheckUtils]: 17: Hoare triple {802#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {823#(and (or (not (= aws_linked_list_node_prev_is_valid_~node.offset 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (or (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= aws_linked_list_node_prev_is_valid_~node.offset 0)) (or (< 0 (+ aws_linked_list_node_prev_is_valid_~node.offset 1)) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} is VALID [2022-02-20 21:10:26,877 INFO L290 TraceCheckUtils]: 18: Hoare triple {823#(and (or (not (= aws_linked_list_node_prev_is_valid_~node.offset 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base)) (or (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= aws_linked_list_node_prev_is_valid_~node.offset 0)) (or (< 0 (+ aws_linked_list_node_prev_is_valid_~node.offset 1)) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset)))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {824#(or |aws_linked_list_node_prev_is_valid_#t~short309| (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) 0) (<= 1 |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} is VALID [2022-02-20 21:10:26,878 INFO L290 TraceCheckUtils]: 19: Hoare triple {824#(or |aws_linked_list_node_prev_is_valid_#t~short309| (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) 0) (<= 1 |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} #t~short312 := #t~short309; {825#(or |aws_linked_list_node_prev_is_valid_#t~short312| (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} is VALID [2022-02-20 21:10:26,879 INFO L290 TraceCheckUtils]: 20: Hoare triple {825#(or |aws_linked_list_node_prev_is_valid_#t~short312| (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} assume !#t~short312; {826#(and (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|))} is VALID [2022-02-20 21:10:26,879 INFO L290 TraceCheckUtils]: 21: Hoare triple {826#(and (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {827#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} is VALID [2022-02-20 21:10:26,880 INFO L290 TraceCheckUtils]: 22: Hoare triple {827#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} assume true; {827#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} is VALID [2022-02-20 21:10:26,881 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {827#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.offset| 0)) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0))} {804#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0)))} #84#return; {803#false} is VALID [2022-02-20 21:10:26,881 INFO L272 TraceCheckUtils]: 24: Hoare triple {803#false} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {803#false} is VALID [2022-02-20 21:10:26,881 INFO L290 TraceCheckUtils]: 25: Hoare triple {803#false} ~cond := #in~cond; {803#false} is VALID [2022-02-20 21:10:26,881 INFO L290 TraceCheckUtils]: 26: Hoare triple {803#false} assume 0 == ~cond % 256; {803#false} is VALID [2022-02-20 21:10:26,882 INFO L290 TraceCheckUtils]: 27: Hoare triple {803#false} assume !false; {803#false} is VALID [2022-02-20 21:10:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 21:10:26,882 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:26,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739939643] [2022-02-20 21:10:26,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739939643] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:26,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:10:26,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 21:10:26,883 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669874689] [2022-02-20 21:10:26,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:26,884 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-02-20 21:10:26,884 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:26,884 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-20 21:10:26,912 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:26,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 21:10:26,913 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:26,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 21:10:26,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-20 21:10:26,914 INFO L87 Difference]: Start difference. First operand 67 states and 81 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-20 21:10:27,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:27,547 INFO L93 Difference]: Finished difference Result 121 states and 149 transitions. [2022-02-20 21:10:27,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 21:10:27,547 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-02-20 21:10:27,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:27,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-20 21:10:27,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 117 transitions. [2022-02-20 21:10:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-20 21:10:27,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 117 transitions. [2022-02-20 21:10:27,553 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 117 transitions. [2022-02-20 21:10:27,648 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:27,651 INFO L225 Difference]: With dead ends: 121 [2022-02-20 21:10:27,651 INFO L226 Difference]: Without dead ends: 76 [2022-02-20 21:10:27,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-02-20 21:10:27,652 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 19 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:27,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 173 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 21:10:27,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-02-20 21:10:27,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2022-02-20 21:10:27,667 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:27,667 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand has 74 states, 49 states have (on average 1.163265306122449) internal successors, (57), 52 states have internal predecessors, (57), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (17), 14 states have call predecessors, (17), 14 states have call successors, (17) [2022-02-20 21:10:27,668 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand has 74 states, 49 states have (on average 1.163265306122449) internal successors, (57), 52 states have internal predecessors, (57), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (17), 14 states have call predecessors, (17), 14 states have call successors, (17) [2022-02-20 21:10:27,668 INFO L87 Difference]: Start difference. First operand 76 states. Second operand has 74 states, 49 states have (on average 1.163265306122449) internal successors, (57), 52 states have internal predecessors, (57), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (17), 14 states have call predecessors, (17), 14 states have call successors, (17) [2022-02-20 21:10:27,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:27,672 INFO L93 Difference]: Finished difference Result 76 states and 91 transitions. [2022-02-20 21:10:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2022-02-20 21:10:27,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:27,673 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:27,673 INFO L74 IsIncluded]: Start isIncluded. First operand has 74 states, 49 states have (on average 1.163265306122449) internal successors, (57), 52 states have internal predecessors, (57), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (17), 14 states have call predecessors, (17), 14 states have call successors, (17) Second operand 76 states. [2022-02-20 21:10:27,674 INFO L87 Difference]: Start difference. First operand has 74 states, 49 states have (on average 1.163265306122449) internal successors, (57), 52 states have internal predecessors, (57), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (17), 14 states have call predecessors, (17), 14 states have call successors, (17) Second operand 76 states. [2022-02-20 21:10:27,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:27,677 INFO L93 Difference]: Finished difference Result 76 states and 91 transitions. [2022-02-20 21:10:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2022-02-20 21:10:27,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:27,678 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:27,678 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:27,678 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.163265306122449) internal successors, (57), 52 states have internal predecessors, (57), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (17), 14 states have call predecessors, (17), 14 states have call successors, (17) [2022-02-20 21:10:27,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 89 transitions. [2022-02-20 21:10:27,681 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 89 transitions. Word has length 28 [2022-02-20 21:10:27,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:27,682 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 89 transitions. [2022-02-20 21:10:27,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-20 21:10:27,682 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2022-02-20 21:10:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 21:10:27,683 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:27,683 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:27,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 21:10:27,683 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:27,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:27,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1106246363, now seen corresponding path program 1 times [2022-02-20 21:10:27,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:27,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439994585] [2022-02-20 21:10:27,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:27,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:27,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:27,779 INFO L290 TraceCheckUtils]: 0: Hoare triple {1247#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {1247#true} is VALID [2022-02-20 21:10:27,780 INFO L290 TraceCheckUtils]: 1: Hoare triple {1247#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {1247#true} is VALID [2022-02-20 21:10:27,780 INFO L290 TraceCheckUtils]: 2: Hoare triple {1247#true} #t~short312 := #t~short309; {1247#true} is VALID [2022-02-20 21:10:27,780 INFO L290 TraceCheckUtils]: 3: Hoare triple {1247#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {1247#true} is VALID [2022-02-20 21:10:27,780 INFO L290 TraceCheckUtils]: 4: Hoare triple {1247#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {1247#true} is VALID [2022-02-20 21:10:27,781 INFO L290 TraceCheckUtils]: 5: Hoare triple {1247#true} assume true; {1247#true} is VALID [2022-02-20 21:10:27,781 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {1247#true} {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} #80#return; {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} is VALID [2022-02-20 21:10:27,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:10:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:27,795 INFO L290 TraceCheckUtils]: 0: Hoare triple {1247#true} ~cond := #in~cond; {1247#true} is VALID [2022-02-20 21:10:27,795 INFO L290 TraceCheckUtils]: 1: Hoare triple {1247#true} assume !(0 == ~cond % 256); {1247#true} is VALID [2022-02-20 21:10:27,796 INFO L290 TraceCheckUtils]: 2: Hoare triple {1247#true} assume true; {1247#true} is VALID [2022-02-20 21:10:27,797 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1247#true} {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} #82#return; {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} is VALID [2022-02-20 21:10:27,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:10:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:27,836 INFO L290 TraceCheckUtils]: 0: Hoare triple {1247#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {1268#(or |aws_linked_list_node_prev_is_valid_#t~short309| (and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0)))} is VALID [2022-02-20 21:10:27,839 INFO L290 TraceCheckUtils]: 1: Hoare triple {1268#(or |aws_linked_list_node_prev_is_valid_#t~short309| (and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0)))} assume !#t~short309; {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:10:27,839 INFO L290 TraceCheckUtils]: 2: Hoare triple {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} #t~short312 := #t~short309; {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:10:27,840 INFO L290 TraceCheckUtils]: 3: Hoare triple {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} assume !#t~short312; {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:10:27,840 INFO L290 TraceCheckUtils]: 4: Hoare triple {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:10:27,841 INFO L290 TraceCheckUtils]: 5: Hoare triple {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} assume true; {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:10:27,842 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} #84#return; {1248#false} is VALID [2022-02-20 21:10:27,842 INFO L290 TraceCheckUtils]: 0: Hoare triple {1247#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(31, 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; {1247#true} is VALID [2022-02-20 21:10:27,843 INFO L290 TraceCheckUtils]: 1: Hoare triple {1247#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} is VALID [2022-02-20 21:10:27,843 INFO L272 TraceCheckUtils]: 2: Hoare triple {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {1247#true} is VALID [2022-02-20 21:10:27,843 INFO L290 TraceCheckUtils]: 3: Hoare triple {1247#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {1247#true} is VALID [2022-02-20 21:10:27,844 INFO L290 TraceCheckUtils]: 4: Hoare triple {1247#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {1247#true} is VALID [2022-02-20 21:10:27,844 INFO L290 TraceCheckUtils]: 5: Hoare triple {1247#true} #t~short312 := #t~short309; {1247#true} is VALID [2022-02-20 21:10:27,844 INFO L290 TraceCheckUtils]: 6: Hoare triple {1247#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {1247#true} is VALID [2022-02-20 21:10:27,844 INFO L290 TraceCheckUtils]: 7: Hoare triple {1247#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {1247#true} is VALID [2022-02-20 21:10:27,844 INFO L290 TraceCheckUtils]: 8: Hoare triple {1247#true} assume true; {1247#true} is VALID [2022-02-20 21:10:27,845 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {1247#true} {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} #80#return; {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} is VALID [2022-02-20 21:10:27,845 INFO L272 TraceCheckUtils]: 10: Hoare triple {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {1247#true} is VALID [2022-02-20 21:10:27,845 INFO L290 TraceCheckUtils]: 11: Hoare triple {1247#true} ~cond := #in~cond; {1247#true} is VALID [2022-02-20 21:10:27,845 INFO L290 TraceCheckUtils]: 12: Hoare triple {1247#true} assume !(0 == ~cond % 256); {1247#true} is VALID [2022-02-20 21:10:27,845 INFO L290 TraceCheckUtils]: 13: Hoare triple {1247#true} assume true; {1247#true} is VALID [2022-02-20 21:10:27,849 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {1247#true} {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} #82#return; {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} is VALID [2022-02-20 21:10:27,849 INFO L290 TraceCheckUtils]: 15: Hoare triple {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} is VALID [2022-02-20 21:10:27,849 INFO L272 TraceCheckUtils]: 16: Hoare triple {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {1247#true} is VALID [2022-02-20 21:10:27,850 INFO L290 TraceCheckUtils]: 17: Hoare triple {1247#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {1268#(or |aws_linked_list_node_prev_is_valid_#t~short309| (and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0)))} is VALID [2022-02-20 21:10:27,850 INFO L290 TraceCheckUtils]: 18: Hoare triple {1268#(or |aws_linked_list_node_prev_is_valid_#t~short309| (and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0)))} assume !#t~short309; {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:10:27,851 INFO L290 TraceCheckUtils]: 19: Hoare triple {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} #t~short312 := #t~short309; {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:10:27,851 INFO L290 TraceCheckUtils]: 20: Hoare triple {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} assume !#t~short312; {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:10:27,851 INFO L290 TraceCheckUtils]: 21: Hoare triple {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:10:27,852 INFO L290 TraceCheckUtils]: 22: Hoare triple {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} assume true; {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:10:27,853 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1269#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} {1249#(not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0))} #84#return; {1248#false} is VALID [2022-02-20 21:10:27,853 INFO L272 TraceCheckUtils]: 24: Hoare triple {1248#false} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {1248#false} is VALID [2022-02-20 21:10:27,853 INFO L290 TraceCheckUtils]: 25: Hoare triple {1248#false} ~cond := #in~cond; {1248#false} is VALID [2022-02-20 21:10:27,853 INFO L290 TraceCheckUtils]: 26: Hoare triple {1248#false} assume 0 == ~cond % 256; {1248#false} is VALID [2022-02-20 21:10:27,853 INFO L290 TraceCheckUtils]: 27: Hoare triple {1248#false} assume !false; {1248#false} is VALID [2022-02-20 21:10:27,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 21:10:27,854 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:27,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439994585] [2022-02-20 21:10:27,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439994585] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:27,854 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:10:27,854 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 21:10:27,854 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484508171] [2022-02-20 21:10:27,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:27,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-02-20 21:10:27,855 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:27,855 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-20 21:10:27,878 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:27,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 21:10:27,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:27,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 21:10:27,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-20 21:10:27,879 INFO L87 Difference]: Start difference. First operand 74 states and 89 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-20 21:10:28,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:28,058 INFO L93 Difference]: Finished difference Result 143 states and 170 transitions. [2022-02-20 21:10:28,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 21:10:28,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-02-20 21:10:28,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:28,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-20 21:10:28,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 116 transitions. [2022-02-20 21:10:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-20 21:10:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 116 transitions. [2022-02-20 21:10:28,067 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 116 transitions. [2022-02-20 21:10:28,154 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:28,156 INFO L225 Difference]: With dead ends: 143 [2022-02-20 21:10:28,156 INFO L226 Difference]: Without dead ends: 64 [2022-02-20 21:10:28,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-20 21:10:28,158 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 12 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:28,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 189 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:10:28,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-02-20 21:10:28,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 56. [2022-02-20 21:10:28,166 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:28,166 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand has 56 states, 37 states have (on average 1.135135135135135) internal successors, (42), 38 states have internal predecessors, (42), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-02-20 21:10:28,166 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand has 56 states, 37 states have (on average 1.135135135135135) internal successors, (42), 38 states have internal predecessors, (42), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-02-20 21:10:28,167 INFO L87 Difference]: Start difference. First operand 64 states. Second operand has 56 states, 37 states have (on average 1.135135135135135) internal successors, (42), 38 states have internal predecessors, (42), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-02-20 21:10:28,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:28,169 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2022-02-20 21:10:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2022-02-20 21:10:28,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:28,170 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:28,170 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 37 states have (on average 1.135135135135135) internal successors, (42), 38 states have internal predecessors, (42), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand 64 states. [2022-02-20 21:10:28,171 INFO L87 Difference]: Start difference. First operand has 56 states, 37 states have (on average 1.135135135135135) internal successors, (42), 38 states have internal predecessors, (42), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand 64 states. [2022-02-20 21:10:28,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:28,173 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2022-02-20 21:10:28,173 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2022-02-20 21:10:28,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:28,174 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:28,174 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:28,174 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:28,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 37 states have (on average 1.135135135135135) internal successors, (42), 38 states have internal predecessors, (42), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-02-20 21:10:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2022-02-20 21:10:28,176 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 28 [2022-02-20 21:10:28,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:28,176 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2022-02-20 21:10:28,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-02-20 21:10:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-02-20 21:10:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-20 21:10:28,178 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:28,178 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:28,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 21:10:28,178 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:28,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:28,179 INFO L85 PathProgramCache]: Analyzing trace with hash 695086179, now seen corresponding path program 1 times [2022-02-20 21:10:28,179 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:28,179 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617129664] [2022-02-20 21:10:28,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:28,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:28,395 INFO L290 TraceCheckUtils]: 0: Hoare triple {1659#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {1659#true} is VALID [2022-02-20 21:10:28,395 INFO L290 TraceCheckUtils]: 1: Hoare triple {1659#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {1659#true} is VALID [2022-02-20 21:10:28,395 INFO L290 TraceCheckUtils]: 2: Hoare triple {1659#true} #t~short312 := #t~short309; {1659#true} is VALID [2022-02-20 21:10:28,395 INFO L290 TraceCheckUtils]: 3: Hoare triple {1659#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {1659#true} is VALID [2022-02-20 21:10:28,396 INFO L290 TraceCheckUtils]: 4: Hoare triple {1659#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {1659#true} is VALID [2022-02-20 21:10:28,396 INFO L290 TraceCheckUtils]: 5: Hoare triple {1659#true} assume true; {1659#true} is VALID [2022-02-20 21:10:28,397 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {1659#true} {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #80#return; {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:10:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:28,409 INFO L290 TraceCheckUtils]: 0: Hoare triple {1659#true} ~cond := #in~cond; {1659#true} is VALID [2022-02-20 21:10:28,409 INFO L290 TraceCheckUtils]: 1: Hoare triple {1659#true} assume !(0 == ~cond % 256); {1659#true} is VALID [2022-02-20 21:10:28,409 INFO L290 TraceCheckUtils]: 2: Hoare triple {1659#true} assume true; {1659#true} is VALID [2022-02-20 21:10:28,410 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1659#true} {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #82#return; {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:10:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:28,439 INFO L290 TraceCheckUtils]: 0: Hoare triple {1659#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {1659#true} is VALID [2022-02-20 21:10:28,440 INFO L290 TraceCheckUtils]: 1: Hoare triple {1659#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {1659#true} is VALID [2022-02-20 21:10:28,440 INFO L290 TraceCheckUtils]: 2: Hoare triple {1659#true} #t~short312 := #t~short309; {1659#true} is VALID [2022-02-20 21:10:28,440 INFO L290 TraceCheckUtils]: 3: Hoare triple {1659#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {1659#true} is VALID [2022-02-20 21:10:28,440 INFO L290 TraceCheckUtils]: 4: Hoare triple {1659#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {1659#true} is VALID [2022-02-20 21:10:28,441 INFO L290 TraceCheckUtils]: 5: Hoare triple {1659#true} assume true; {1659#true} is VALID [2022-02-20 21:10:28,442 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {1659#true} {1673#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #84#return; {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} is VALID [2022-02-20 21:10:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 21:10:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:28,462 INFO L290 TraceCheckUtils]: 0: Hoare triple {1659#true} ~cond := #in~cond; {1659#true} is VALID [2022-02-20 21:10:28,463 INFO L290 TraceCheckUtils]: 1: Hoare triple {1659#true} assume !(0 == ~cond % 256); {1659#true} is VALID [2022-02-20 21:10:28,463 INFO L290 TraceCheckUtils]: 2: Hoare triple {1659#true} assume true; {1659#true} is VALID [2022-02-20 21:10:28,464 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1659#true} {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} #86#return; {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} is VALID [2022-02-20 21:10:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-02-20 21:10:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:28,583 INFO L290 TraceCheckUtils]: 0: Hoare triple {1659#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:10:28,584 INFO L290 TraceCheckUtils]: 1: Hoare triple {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:10:28,584 INFO L290 TraceCheckUtils]: 2: Hoare triple {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} #t~short307 := #t~short304; {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:10:28,590 INFO L290 TraceCheckUtils]: 3: Hoare triple {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {1697#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))) |aws_linked_list_node_next_is_valid_#t~short307|)} is VALID [2022-02-20 21:10:28,591 INFO L290 TraceCheckUtils]: 4: Hoare triple {1697#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))) |aws_linked_list_node_next_is_valid_#t~short307|)} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {1698#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} is VALID [2022-02-20 21:10:28,592 INFO L290 TraceCheckUtils]: 5: Hoare triple {1698#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} assume true; {1698#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} is VALID [2022-02-20 21:10:28,594 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {1698#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} #88#return; {1693#(and (<= 1 |ULTIMATE.start_aws_linked_list_prev_#t~ret337#1|) (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret337#1| 1))} is VALID [2022-02-20 21:10:28,594 INFO L290 TraceCheckUtils]: 0: Hoare triple {1659#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(31, 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; {1659#true} is VALID [2022-02-20 21:10:28,596 INFO L290 TraceCheckUtils]: 1: Hoare triple {1659#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:28,596 INFO L272 TraceCheckUtils]: 2: Hoare triple {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {1659#true} is VALID [2022-02-20 21:10:28,596 INFO L290 TraceCheckUtils]: 3: Hoare triple {1659#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {1659#true} is VALID [2022-02-20 21:10:28,596 INFO L290 TraceCheckUtils]: 4: Hoare triple {1659#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {1659#true} is VALID [2022-02-20 21:10:28,597 INFO L290 TraceCheckUtils]: 5: Hoare triple {1659#true} #t~short312 := #t~short309; {1659#true} is VALID [2022-02-20 21:10:28,597 INFO L290 TraceCheckUtils]: 6: Hoare triple {1659#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {1659#true} is VALID [2022-02-20 21:10:28,597 INFO L290 TraceCheckUtils]: 7: Hoare triple {1659#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {1659#true} is VALID [2022-02-20 21:10:28,597 INFO L290 TraceCheckUtils]: 8: Hoare triple {1659#true} assume true; {1659#true} is VALID [2022-02-20 21:10:28,598 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {1659#true} {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #80#return; {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:28,598 INFO L272 TraceCheckUtils]: 10: Hoare triple {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {1659#true} is VALID [2022-02-20 21:10:28,598 INFO L290 TraceCheckUtils]: 11: Hoare triple {1659#true} ~cond := #in~cond; {1659#true} is VALID [2022-02-20 21:10:28,599 INFO L290 TraceCheckUtils]: 12: Hoare triple {1659#true} assume !(0 == ~cond % 256); {1659#true} is VALID [2022-02-20 21:10:28,599 INFO L290 TraceCheckUtils]: 13: Hoare triple {1659#true} assume true; {1659#true} is VALID [2022-02-20 21:10:28,600 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {1659#true} {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #82#return; {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:28,601 INFO L290 TraceCheckUtils]: 15: Hoare triple {1661#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {1673#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:10:28,601 INFO L272 TraceCheckUtils]: 16: Hoare triple {1673#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {1659#true} is VALID [2022-02-20 21:10:28,601 INFO L290 TraceCheckUtils]: 17: Hoare triple {1659#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {1659#true} is VALID [2022-02-20 21:10:28,601 INFO L290 TraceCheckUtils]: 18: Hoare triple {1659#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {1659#true} is VALID [2022-02-20 21:10:28,601 INFO L290 TraceCheckUtils]: 19: Hoare triple {1659#true} #t~short312 := #t~short309; {1659#true} is VALID [2022-02-20 21:10:28,601 INFO L290 TraceCheckUtils]: 20: Hoare triple {1659#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {1659#true} is VALID [2022-02-20 21:10:28,602 INFO L290 TraceCheckUtils]: 21: Hoare triple {1659#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {1659#true} is VALID [2022-02-20 21:10:28,602 INFO L290 TraceCheckUtils]: 22: Hoare triple {1659#true} assume true; {1659#true} is VALID [2022-02-20 21:10:28,603 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1659#true} {1673#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #84#return; {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} is VALID [2022-02-20 21:10:28,603 INFO L272 TraceCheckUtils]: 24: Hoare triple {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {1659#true} is VALID [2022-02-20 21:10:28,604 INFO L290 TraceCheckUtils]: 25: Hoare triple {1659#true} ~cond := #in~cond; {1659#true} is VALID [2022-02-20 21:10:28,604 INFO L290 TraceCheckUtils]: 26: Hoare triple {1659#true} assume !(0 == ~cond % 256); {1659#true} is VALID [2022-02-20 21:10:28,604 INFO L290 TraceCheckUtils]: 27: Hoare triple {1659#true} assume true; {1659#true} is VALID [2022-02-20 21:10:28,605 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1659#true} {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} #86#return; {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} is VALID [2022-02-20 21:10:28,605 INFO L290 TraceCheckUtils]: 29: Hoare triple {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} havoc aws_linked_list_prev_#t~ret336#1; {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} is VALID [2022-02-20 21:10:28,606 INFO L272 TraceCheckUtils]: 30: Hoare triple {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} call aws_linked_list_prev_#t~ret337#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset); {1659#true} is VALID [2022-02-20 21:10:28,606 INFO L290 TraceCheckUtils]: 31: Hoare triple {1659#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:10:28,607 INFO L290 TraceCheckUtils]: 32: Hoare triple {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:10:28,607 INFO L290 TraceCheckUtils]: 33: Hoare triple {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} #t~short307 := #t~short304; {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:10:28,608 INFO L290 TraceCheckUtils]: 34: Hoare triple {1696#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {1697#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))) |aws_linked_list_node_next_is_valid_#t~short307|)} is VALID [2022-02-20 21:10:28,609 INFO L290 TraceCheckUtils]: 35: Hoare triple {1697#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))) |aws_linked_list_node_next_is_valid_#t~short307|)} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {1698#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} is VALID [2022-02-20 21:10:28,610 INFO L290 TraceCheckUtils]: 36: Hoare triple {1698#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} assume true; {1698#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} is VALID [2022-02-20 21:10:28,611 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {1698#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} {1681#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} #88#return; {1693#(and (<= 1 |ULTIMATE.start_aws_linked_list_prev_#t~ret337#1|) (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret337#1| 1))} is VALID [2022-02-20 21:10:28,612 INFO L272 TraceCheckUtils]: 38: Hoare triple {1693#(and (<= 1 |ULTIMATE.start_aws_linked_list_prev_#t~ret337#1|) (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret337#1| 1))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret337#1); {1694#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} is VALID [2022-02-20 21:10:28,612 INFO L290 TraceCheckUtils]: 39: Hoare triple {1694#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} ~cond := #in~cond; {1695#(and (<= (div __VERIFIER_assert_~cond 256) 0) (<= 1 __VERIFIER_assert_~cond))} is VALID [2022-02-20 21:10:28,613 INFO L290 TraceCheckUtils]: 40: Hoare triple {1695#(and (<= (div __VERIFIER_assert_~cond 256) 0) (<= 1 __VERIFIER_assert_~cond))} assume 0 == ~cond % 256; {1660#false} is VALID [2022-02-20 21:10:28,613 INFO L290 TraceCheckUtils]: 41: Hoare triple {1660#false} assume !false; {1660#false} is VALID [2022-02-20 21:10:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 21:10:28,614 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:28,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617129664] [2022-02-20 21:10:28,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617129664] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:10:28,614 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:10:28,614 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-20 21:10:28,615 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907635240] [2022-02-20 21:10:28,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:28,615 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 42 [2022-02-20 21:10:28,616 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:28,616 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 21:10:28,651 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:28,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 21:10:28,652 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:28,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 21:10:28,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-02-20 21:10:28,653 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand has 11 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 21:10:29,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:29,413 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2022-02-20 21:10:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 21:10:29,414 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 42 [2022-02-20 21:10:29,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:10:29,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 21:10:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 68 transitions. [2022-02-20 21:10:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 21:10:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 68 transitions. [2022-02-20 21:10:29,419 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 68 transitions. [2022-02-20 21:10:29,489 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:29,491 INFO L225 Difference]: With dead ends: 67 [2022-02-20 21:10:29,491 INFO L226 Difference]: Without dead ends: 65 [2022-02-20 21:10:29,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-02-20 21:10:29,493 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 23 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 21:10:29,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 309 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 21:10:29,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-02-20 21:10:29,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2022-02-20 21:10:29,504 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:10:29,504 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand has 64 states, 42 states have (on average 1.119047619047619) internal successors, (47), 44 states have internal predecessors, (47), 13 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:10:29,505 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand has 64 states, 42 states have (on average 1.119047619047619) internal successors, (47), 44 states have internal predecessors, (47), 13 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:10:29,505 INFO L87 Difference]: Start difference. First operand 65 states. Second operand has 64 states, 42 states have (on average 1.119047619047619) internal successors, (47), 44 states have internal predecessors, (47), 13 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:10:29,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:29,508 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2022-02-20 21:10:29,508 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2022-02-20 21:10:29,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:29,509 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:29,509 INFO L74 IsIncluded]: Start isIncluded. First operand has 64 states, 42 states have (on average 1.119047619047619) internal successors, (47), 44 states have internal predecessors, (47), 13 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Second operand 65 states. [2022-02-20 21:10:29,509 INFO L87 Difference]: Start difference. First operand has 64 states, 42 states have (on average 1.119047619047619) internal successors, (47), 44 states have internal predecessors, (47), 13 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Second operand 65 states. [2022-02-20 21:10:29,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:10:29,512 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2022-02-20 21:10:29,512 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2022-02-20 21:10:29,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:10:29,513 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:10:29,513 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:10:29,513 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:10:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.119047619047619) internal successors, (47), 44 states have internal predecessors, (47), 13 states have call successors, (13), 7 states have call predecessors, (13), 8 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:10:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 74 transitions. [2022-02-20 21:10:29,516 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 74 transitions. Word has length 42 [2022-02-20 21:10:29,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:10:29,516 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 74 transitions. [2022-02-20 21:10:29,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 21:10:29,517 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2022-02-20 21:10:29,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-20 21:10:29,518 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:10:29,518 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:10:29,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 21:10:29,518 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:10:29,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:10:29,519 INFO L85 PathProgramCache]: Analyzing trace with hash -114260447, now seen corresponding path program 1 times [2022-02-20 21:10:29,519 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:10:29,519 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626237251] [2022-02-20 21:10:29,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:29,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:10:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:29,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:10:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:29,755 INFO L290 TraceCheckUtils]: 0: Hoare triple {2012#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:29,756 INFO L290 TraceCheckUtils]: 1: Hoare triple {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:29,756 INFO L290 TraceCheckUtils]: 2: Hoare triple {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} #t~short312 := #t~short309; {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:29,757 INFO L290 TraceCheckUtils]: 3: Hoare triple {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2049#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8)))} is VALID [2022-02-20 21:10:29,758 INFO L290 TraceCheckUtils]: 4: Hoare triple {2049#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8)))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2050#(and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (<= |aws_linked_list_node_prev_is_valid_#res| 0) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8))))} is VALID [2022-02-20 21:10:29,759 INFO L290 TraceCheckUtils]: 5: Hoare triple {2050#(and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (<= |aws_linked_list_node_prev_is_valid_#res| 0) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8))))} assume true; {2050#(and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (<= |aws_linked_list_node_prev_is_valid_#res| 0) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8))))} is VALID [2022-02-20 21:10:29,760 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {2050#(and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (<= |aws_linked_list_node_prev_is_valid_#res| 0) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8))))} {2014#(and (not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0))} #80#return; {2022#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (or (and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 0) (<= 0 |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) 0))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:10:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:29,797 INFO L290 TraceCheckUtils]: 0: Hoare triple {2012#true} ~cond := #in~cond; {2051#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:10:29,798 INFO L290 TraceCheckUtils]: 1: Hoare triple {2051#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond % 256); {2052#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:29,799 INFO L290 TraceCheckUtils]: 2: Hoare triple {2052#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} assume true; {2052#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:29,800 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2052#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} {2022#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (or (and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 0) (<= 0 |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) 0))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #82#return; {2027#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:29,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:10:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:29,811 INFO L290 TraceCheckUtils]: 0: Hoare triple {2012#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2012#true} is VALID [2022-02-20 21:10:29,811 INFO L290 TraceCheckUtils]: 1: Hoare triple {2012#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2012#true} is VALID [2022-02-20 21:10:29,811 INFO L290 TraceCheckUtils]: 2: Hoare triple {2012#true} #t~short312 := #t~short309; {2012#true} is VALID [2022-02-20 21:10:29,812 INFO L290 TraceCheckUtils]: 3: Hoare triple {2012#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2012#true} is VALID [2022-02-20 21:10:29,812 INFO L290 TraceCheckUtils]: 4: Hoare triple {2012#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2012#true} is VALID [2022-02-20 21:10:29,812 INFO L290 TraceCheckUtils]: 5: Hoare triple {2012#true} assume true; {2012#true} is VALID [2022-02-20 21:10:29,813 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {2012#true} {2028#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} #84#return; {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} is VALID [2022-02-20 21:10:29,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 21:10:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:29,822 INFO L290 TraceCheckUtils]: 0: Hoare triple {2012#true} ~cond := #in~cond; {2012#true} is VALID [2022-02-20 21:10:29,822 INFO L290 TraceCheckUtils]: 1: Hoare triple {2012#true} assume !(0 == ~cond % 256); {2012#true} is VALID [2022-02-20 21:10:29,822 INFO L290 TraceCheckUtils]: 2: Hoare triple {2012#true} assume true; {2012#true} is VALID [2022-02-20 21:10:29,824 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2012#true} {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} #86#return; {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} is VALID [2022-02-20 21:10:29,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-02-20 21:10:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:29,916 INFO L290 TraceCheckUtils]: 0: Hoare triple {2012#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {2053#(and (or (= aws_linked_list_node_next_is_valid_~node.offset 0) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|))} is VALID [2022-02-20 21:10:29,917 INFO L290 TraceCheckUtils]: 1: Hoare triple {2053#(and (or (= aws_linked_list_node_next_is_valid_~node.offset 0) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {2054#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)) |aws_linked_list_node_next_is_valid_#t~short304|)} is VALID [2022-02-20 21:10:29,918 INFO L290 TraceCheckUtils]: 2: Hoare triple {2054#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)) |aws_linked_list_node_next_is_valid_#t~short304|)} #t~short307 := #t~short304; {2055#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)) |aws_linked_list_node_next_is_valid_#t~short307|)} is VALID [2022-02-20 21:10:29,919 INFO L290 TraceCheckUtils]: 3: Hoare triple {2055#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)) |aws_linked_list_node_next_is_valid_#t~short307|)} assume !#t~short307; {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} is VALID [2022-02-20 21:10:29,919 INFO L290 TraceCheckUtils]: 4: Hoare triple {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} is VALID [2022-02-20 21:10:29,920 INFO L290 TraceCheckUtils]: 5: Hoare triple {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} assume true; {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} is VALID [2022-02-20 21:10:29,921 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} #88#return; {2013#false} is VALID [2022-02-20 21:10:29,921 INFO L290 TraceCheckUtils]: 0: Hoare triple {2012#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(31, 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; {2012#true} is VALID [2022-02-20 21:10:29,923 INFO L290 TraceCheckUtils]: 1: Hoare triple {2012#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {2014#(and (not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0))} is VALID [2022-02-20 21:10:29,923 INFO L272 TraceCheckUtils]: 2: Hoare triple {2014#(and (not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {2012#true} is VALID [2022-02-20 21:10:29,924 INFO L290 TraceCheckUtils]: 3: Hoare triple {2012#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:29,925 INFO L290 TraceCheckUtils]: 4: Hoare triple {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:29,925 INFO L290 TraceCheckUtils]: 5: Hoare triple {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} #t~short312 := #t~short309; {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:10:29,926 INFO L290 TraceCheckUtils]: 6: Hoare triple {2048#(and (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2049#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8)))} is VALID [2022-02-20 21:10:29,927 INFO L290 TraceCheckUtils]: 7: Hoare triple {2049#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (not |aws_linked_list_node_prev_is_valid_#t~short312|) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8)))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2050#(and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (<= |aws_linked_list_node_prev_is_valid_#res| 0) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8))))} is VALID [2022-02-20 21:10:29,928 INFO L290 TraceCheckUtils]: 8: Hoare triple {2050#(and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (<= |aws_linked_list_node_prev_is_valid_#res| 0) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8))))} assume true; {2050#(and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (<= |aws_linked_list_node_prev_is_valid_#res| 0) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8))))} is VALID [2022-02-20 21:10:29,929 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {2050#(and (<= 0 |aws_linked_list_node_prev_is_valid_#res|) (or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) 8) 0)) (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 0)) (<= |aws_linked_list_node_prev_is_valid_#res| 0) (not (= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8) 8))))} {2014#(and (not (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) 8) 0))} #80#return; {2022#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (or (and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 0) (<= 0 |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) 0))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:29,929 INFO L272 TraceCheckUtils]: 10: Hoare triple {2022#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (or (and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 0) (<= 0 |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) 0))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {2012#true} is VALID [2022-02-20 21:10:29,930 INFO L290 TraceCheckUtils]: 11: Hoare triple {2012#true} ~cond := #in~cond; {2051#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:10:29,930 INFO L290 TraceCheckUtils]: 12: Hoare triple {2051#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond % 256); {2052#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:29,931 INFO L290 TraceCheckUtils]: 13: Hoare triple {2052#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} assume true; {2052#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:10:29,932 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2052#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} {2022#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (or (and (<= |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1| 0) (<= 0 |ULTIMATE.start_aws_linked_list_prev_#t~ret334#1|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) 0))) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #82#return; {2027#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:10:29,933 INFO L290 TraceCheckUtils]: 15: Hoare triple {2027#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {2028#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} is VALID [2022-02-20 21:10:29,933 INFO L272 TraceCheckUtils]: 16: Hoare triple {2028#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {2012#true} is VALID [2022-02-20 21:10:29,933 INFO L290 TraceCheckUtils]: 17: Hoare triple {2012#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2012#true} is VALID [2022-02-20 21:10:29,933 INFO L290 TraceCheckUtils]: 18: Hoare triple {2012#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2012#true} is VALID [2022-02-20 21:10:29,933 INFO L290 TraceCheckUtils]: 19: Hoare triple {2012#true} #t~short312 := #t~short309; {2012#true} is VALID [2022-02-20 21:10:29,933 INFO L290 TraceCheckUtils]: 20: Hoare triple {2012#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2012#true} is VALID [2022-02-20 21:10:29,934 INFO L290 TraceCheckUtils]: 21: Hoare triple {2012#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2012#true} is VALID [2022-02-20 21:10:29,934 INFO L290 TraceCheckUtils]: 22: Hoare triple {2012#true} assume true; {2012#true} is VALID [2022-02-20 21:10:29,935 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2012#true} {2028#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} #84#return; {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} is VALID [2022-02-20 21:10:29,935 INFO L272 TraceCheckUtils]: 24: Hoare triple {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {2012#true} is VALID [2022-02-20 21:10:29,935 INFO L290 TraceCheckUtils]: 25: Hoare triple {2012#true} ~cond := #in~cond; {2012#true} is VALID [2022-02-20 21:10:29,935 INFO L290 TraceCheckUtils]: 26: Hoare triple {2012#true} assume !(0 == ~cond % 256); {2012#true} is VALID [2022-02-20 21:10:29,936 INFO L290 TraceCheckUtils]: 27: Hoare triple {2012#true} assume true; {2012#true} is VALID [2022-02-20 21:10:29,936 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2012#true} {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} #86#return; {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} is VALID [2022-02-20 21:10:29,937 INFO L290 TraceCheckUtils]: 29: Hoare triple {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} havoc aws_linked_list_prev_#t~ret336#1; {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} is VALID [2022-02-20 21:10:29,937 INFO L272 TraceCheckUtils]: 30: Hoare triple {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} call aws_linked_list_prev_#t~ret337#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset); {2012#true} is VALID [2022-02-20 21:10:29,938 INFO L290 TraceCheckUtils]: 31: Hoare triple {2012#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {2053#(and (or (= aws_linked_list_node_next_is_valid_~node.offset 0) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|))} is VALID [2022-02-20 21:10:29,938 INFO L290 TraceCheckUtils]: 32: Hoare triple {2053#(and (or (= aws_linked_list_node_next_is_valid_~node.offset 0) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {2054#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)) |aws_linked_list_node_next_is_valid_#t~short304|)} is VALID [2022-02-20 21:10:29,939 INFO L290 TraceCheckUtils]: 33: Hoare triple {2054#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)) |aws_linked_list_node_next_is_valid_#t~short304|)} #t~short307 := #t~short304; {2055#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)) |aws_linked_list_node_next_is_valid_#t~short307|)} is VALID [2022-02-20 21:10:29,939 INFO L290 TraceCheckUtils]: 34: Hoare triple {2055#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)) |aws_linked_list_node_next_is_valid_#t~short307|)} assume !#t~short307; {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} is VALID [2022-02-20 21:10:29,940 INFO L290 TraceCheckUtils]: 35: Hoare triple {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} is VALID [2022-02-20 21:10:29,940 INFO L290 TraceCheckUtils]: 36: Hoare triple {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} assume true; {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} is VALID [2022-02-20 21:10:29,941 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2056#(or (= 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) 0)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| 0)))} {2036#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) 0) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} #88#return; {2013#false} is VALID [2022-02-20 21:10:29,942 INFO L272 TraceCheckUtils]: 38: Hoare triple {2013#false} call __VERIFIER_assert(aws_linked_list_prev_#t~ret337#1); {2013#false} is VALID [2022-02-20 21:10:29,942 INFO L290 TraceCheckUtils]: 39: Hoare triple {2013#false} ~cond := #in~cond; {2013#false} is VALID [2022-02-20 21:10:29,942 INFO L290 TraceCheckUtils]: 40: Hoare triple {2013#false} assume 0 == ~cond % 256; {2013#false} is VALID [2022-02-20 21:10:29,942 INFO L290 TraceCheckUtils]: 41: Hoare triple {2013#false} assume !false; {2013#false} is VALID [2022-02-20 21:10:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 21:10:29,943 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:10:29,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626237251] [2022-02-20 21:10:29,943 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626237251] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:10:29,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740229874] [2022-02-20 21:10:29,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:10:29,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:10:29,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:10:29,945 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 21:10:29,953 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 21:10:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:30,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-20 21:10:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:10:30,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:10:30,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:10:30,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:10:30,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2022-02-20 21:10:30,290 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2022-02-20 21:10:30,309 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 10 treesize of output 9 [2022-02-20 21:10:30,335 INFO L356 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-02-20 21:10:30,335 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 34 [2022-02-20 21:10:30,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:10:30,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-02-20 21:10:30,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2022-02-20 21:10:31,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-02-20 21:10:34,172 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)))) (and (not (= .cse0 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |c_#memory_$Pointer$.base| .cse0) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))) is different from true [2022-02-20 21:10:39,538 INFO L290 TraceCheckUtils]: 0: Hoare triple {2012#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$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$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {2060#(< 0 |#StackHeapBarrier|)} is VALID [2022-02-20 21:10:39,540 INFO L290 TraceCheckUtils]: 1: Hoare triple {2060#(< 0 |#StackHeapBarrier|)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {2064#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))} is VALID [2022-02-20 21:10:39,542 INFO L272 TraceCheckUtils]: 2: Hoare triple {2064#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} is VALID [2022-02-20 21:10:39,543 INFO L290 TraceCheckUtils]: 3: Hoare triple {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} is VALID [2022-02-20 21:10:39,543 INFO L290 TraceCheckUtils]: 4: Hoare triple {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} is VALID [2022-02-20 21:10:39,544 INFO L290 TraceCheckUtils]: 5: Hoare triple {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} #t~short312 := #t~short309; {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} is VALID [2022-02-20 21:10:39,544 INFO L290 TraceCheckUtils]: 6: Hoare triple {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} is VALID [2022-02-20 21:10:39,545 INFO L290 TraceCheckUtils]: 7: Hoare triple {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} is VALID [2022-02-20 21:10:39,545 INFO L290 TraceCheckUtils]: 8: Hoare triple {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} assume true; {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} is VALID [2022-02-20 21:10:39,546 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} {2064#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))} #80#return; {2064#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))} is VALID [2022-02-20 21:10:39,548 INFO L272 TraceCheckUtils]: 10: Hoare triple {2064#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} is VALID [2022-02-20 21:10:39,568 INFO L290 TraceCheckUtils]: 11: Hoare triple {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} ~cond := #in~cond; {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} is VALID [2022-02-20 21:10:39,568 INFO L290 TraceCheckUtils]: 12: Hoare triple {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} assume !(0 == ~cond % 256); {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} is VALID [2022-02-20 21:10:39,569 INFO L290 TraceCheckUtils]: 13: Hoare triple {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} assume true; {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} is VALID [2022-02-20 21:10:39,572 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2068#(exists ((|v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| Int)) (and (<= |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|))) 0)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|) (+ 8 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.offset_BEFORE_CALL_4|)) |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)) (< 1 |v_ULTIMATE.start_aws_linked_list_prev_~node#1.base_BEFORE_CALL_4|)))} {2064#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))} #82#return; {2064#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))} is VALID [2022-02-20 21:10:39,575 INFO L290 TraceCheckUtils]: 15: Hoare triple {2064#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {2108#(and (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} is VALID [2022-02-20 21:10:39,579 INFO L272 TraceCheckUtils]: 16: Hoare triple {2108#(and (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,580 INFO L290 TraceCheckUtils]: 17: Hoare triple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,580 INFO L290 TraceCheckUtils]: 18: Hoare triple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,581 INFO L290 TraceCheckUtils]: 19: Hoare triple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} #t~short312 := #t~short309; {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,581 INFO L290 TraceCheckUtils]: 20: Hoare triple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,582 INFO L290 TraceCheckUtils]: 21: Hoare triple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,582 INFO L290 TraceCheckUtils]: 22: Hoare triple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} assume true; {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,583 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} {2108#(and (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} #84#return; {2108#(and (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} is VALID [2022-02-20 21:10:39,584 INFO L272 TraceCheckUtils]: 24: Hoare triple {2108#(and (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,584 INFO L290 TraceCheckUtils]: 25: Hoare triple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} ~cond := #in~cond; {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,585 INFO L290 TraceCheckUtils]: 26: Hoare triple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} assume !(0 == ~cond % 256); {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,585 INFO L290 TraceCheckUtils]: 27: Hoare triple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} assume true; {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,586 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} {2108#(and (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} #86#return; {2108#(and (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} is VALID [2022-02-20 21:10:39,586 INFO L290 TraceCheckUtils]: 29: Hoare triple {2108#(and (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} havoc aws_linked_list_prev_#t~ret336#1; {2108#(and (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} is VALID [2022-02-20 21:10:39,587 INFO L272 TraceCheckUtils]: 30: Hoare triple {2108#(and (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} call aws_linked_list_prev_#t~ret337#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset); {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} is VALID [2022-02-20 21:10:39,588 INFO L290 TraceCheckUtils]: 31: Hoare triple {2112#(exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)))} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {2158#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} is VALID [2022-02-20 21:10:39,590 INFO L290 TraceCheckUtils]: 32: Hoare triple {2158#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {2162#(and (or (<= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) |aws_linked_list_node_next_is_valid_#t~short304|) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} is VALID [2022-02-20 21:10:39,591 INFO L290 TraceCheckUtils]: 33: Hoare triple {2162#(and (or (<= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) |aws_linked_list_node_next_is_valid_#t~short304|) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} #t~short307 := #t~short304; {2166#(and (or (<= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) |aws_linked_list_node_next_is_valid_#t~short307|) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} is VALID [2022-02-20 21:10:39,591 INFO L290 TraceCheckUtils]: 34: Hoare triple {2166#(and (or (<= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) |aws_linked_list_node_next_is_valid_#t~short307|) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} assume !#t~short307; {2170#(and (<= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} is VALID [2022-02-20 21:10:39,592 INFO L290 TraceCheckUtils]: 35: Hoare triple {2170#(and (<= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {2170#(and (<= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} is VALID [2022-02-20 21:10:39,593 INFO L290 TraceCheckUtils]: 36: Hoare triple {2170#(and (<= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} assume true; {2170#(and (<= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} is VALID [2022-02-20 21:10:39,594 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2170#(and (<= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))))} {2108#(and (exists ((|ULTIMATE.start_aws_linked_list_prev_~node#1.base| Int) (|ULTIMATE.start_aws_linked_list_prev_~node#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|)) (<= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0)) (< 1 |ULTIMATE.start_aws_linked_list_prev_~node#1.base|))) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| 0))} #88#return; {2013#false} is VALID [2022-02-20 21:10:39,594 INFO L272 TraceCheckUtils]: 38: Hoare triple {2013#false} call __VERIFIER_assert(aws_linked_list_prev_#t~ret337#1); {2013#false} is VALID [2022-02-20 21:10:39,594 INFO L290 TraceCheckUtils]: 39: Hoare triple {2013#false} ~cond := #in~cond; {2013#false} is VALID [2022-02-20 21:10:39,595 INFO L290 TraceCheckUtils]: 40: Hoare triple {2013#false} assume 0 == ~cond % 256; {2013#false} is VALID [2022-02-20 21:10:39,595 INFO L290 TraceCheckUtils]: 41: Hoare triple {2013#false} assume !false; {2013#false} is VALID [2022-02-20 21:10:39,595 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2022-02-20 21:10:39,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 21:10:48,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 21:10:48,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 21:10:48,883 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 21:10:48,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 62 [2022-02-20 21:10:48,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 21:10:48,954 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-20 21:10:48,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 108 [2022-02-20 21:10:49,017 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 21:10:49,017 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 55 [2022-02-20 21:10:49,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 21:10:49,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2022-02-20 21:10:49,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-02-20 21:10:49,178 INFO L290 TraceCheckUtils]: 41: Hoare triple {2013#false} assume !false; {2013#false} is VALID [2022-02-20 21:10:49,178 INFO L290 TraceCheckUtils]: 40: Hoare triple {2013#false} assume 0 == ~cond % 256; {2013#false} is VALID [2022-02-20 21:10:49,178 INFO L290 TraceCheckUtils]: 39: Hoare triple {2013#false} ~cond := #in~cond; {2013#false} is VALID [2022-02-20 21:10:49,179 INFO L272 TraceCheckUtils]: 38: Hoare triple {2013#false} call __VERIFIER_assert(aws_linked_list_prev_#t~ret337#1); {2013#false} is VALID [2022-02-20 21:10:49,182 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2208#(not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)))} {2204#(< 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|))} #88#return; {2013#false} is VALID [2022-02-20 21:10:49,183 INFO L290 TraceCheckUtils]: 36: Hoare triple {2208#(not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)))} assume true; {2208#(not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)))} is VALID [2022-02-20 21:10:49,186 INFO L290 TraceCheckUtils]: 35: Hoare triple {2208#(not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)))} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {2208#(not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)))} is VALID [2022-02-20 21:10:49,186 INFO L290 TraceCheckUtils]: 34: Hoare triple {2218#(or (not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|))) |aws_linked_list_node_next_is_valid_#t~short307|)} assume !#t~short307; {2208#(not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)))} is VALID [2022-02-20 21:10:49,187 INFO L290 TraceCheckUtils]: 33: Hoare triple {2222#(or (not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|))) |aws_linked_list_node_next_is_valid_#t~short304|)} #t~short307 := #t~short304; {2218#(or (not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|))) |aws_linked_list_node_next_is_valid_#t~short307|)} is VALID [2022-02-20 21:10:49,187 INFO L290 TraceCheckUtils]: 32: Hoare triple {2226#(or (not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|))) (not (<= (select (select |#memory_$Pointer$.base| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {2222#(or (not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|))) |aws_linked_list_node_next_is_valid_#t~short304|)} is VALID [2022-02-20 21:10:49,188 INFO L290 TraceCheckUtils]: 31: Hoare triple {2012#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {2226#(or (not (< 0 (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|))) (not (<= (select (select |#memory_$Pointer$.base| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)))} is VALID [2022-02-20 21:10:49,188 INFO L272 TraceCheckUtils]: 30: Hoare triple {2204#(< 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|))} call aws_linked_list_prev_#t~ret337#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset); {2012#true} is VALID [2022-02-20 21:10:49,189 INFO L290 TraceCheckUtils]: 29: Hoare triple {2204#(< 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|))} havoc aws_linked_list_prev_#t~ret336#1; {2204#(< 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|))} is VALID [2022-02-20 21:10:49,190 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2012#true} {2204#(< 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|))} #86#return; {2204#(< 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|))} is VALID [2022-02-20 21:10:49,190 INFO L290 TraceCheckUtils]: 27: Hoare triple {2012#true} assume true; {2012#true} is VALID [2022-02-20 21:10:49,190 INFO L290 TraceCheckUtils]: 26: Hoare triple {2012#true} assume !(0 == ~cond % 256); {2012#true} is VALID [2022-02-20 21:10:49,190 INFO L290 TraceCheckUtils]: 25: Hoare triple {2012#true} ~cond := #in~cond; {2012#true} is VALID [2022-02-20 21:10:49,190 INFO L272 TraceCheckUtils]: 24: Hoare triple {2204#(< 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {2012#true} is VALID [2022-02-20 21:10:49,191 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2012#true} {2204#(< 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|))} #84#return; {2204#(< 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|))} is VALID [2022-02-20 21:10:49,192 INFO L290 TraceCheckUtils]: 22: Hoare triple {2012#true} assume true; {2012#true} is VALID [2022-02-20 21:10:49,192 INFO L290 TraceCheckUtils]: 21: Hoare triple {2012#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2012#true} is VALID [2022-02-20 21:10:49,192 INFO L290 TraceCheckUtils]: 20: Hoare triple {2012#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2012#true} is VALID [2022-02-20 21:10:49,192 INFO L290 TraceCheckUtils]: 19: Hoare triple {2012#true} #t~short312 := #t~short309; {2012#true} is VALID [2022-02-20 21:10:49,192 INFO L290 TraceCheckUtils]: 18: Hoare triple {2012#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2012#true} is VALID [2022-02-20 21:10:49,192 INFO L290 TraceCheckUtils]: 17: Hoare triple {2012#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2012#true} is VALID [2022-02-20 21:10:49,193 INFO L272 TraceCheckUtils]: 16: Hoare triple {2204#(< 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {2012#true} is VALID [2022-02-20 21:10:49,193 INFO L290 TraceCheckUtils]: 15: Hoare triple {2275#(< 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {2204#(< 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|))} is VALID [2022-02-20 21:10:49,194 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2012#true} {2275#(< 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #82#return; {2275#(< 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:10:49,194 INFO L290 TraceCheckUtils]: 13: Hoare triple {2012#true} assume true; {2012#true} is VALID [2022-02-20 21:10:49,194 INFO L290 TraceCheckUtils]: 12: Hoare triple {2012#true} assume !(0 == ~cond % 256); {2012#true} is VALID [2022-02-20 21:10:49,195 INFO L290 TraceCheckUtils]: 11: Hoare triple {2012#true} ~cond := #in~cond; {2012#true} is VALID [2022-02-20 21:10:49,195 INFO L272 TraceCheckUtils]: 10: Hoare triple {2275#(< 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {2012#true} is VALID [2022-02-20 21:10:49,196 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {2012#true} {2275#(< 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #80#return; {2275#(< 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:10:49,196 INFO L290 TraceCheckUtils]: 8: Hoare triple {2012#true} assume true; {2012#true} is VALID [2022-02-20 21:10:49,196 INFO L290 TraceCheckUtils]: 7: Hoare triple {2012#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2012#true} is VALID [2022-02-20 21:10:49,196 INFO L290 TraceCheckUtils]: 6: Hoare triple {2012#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2012#true} is VALID [2022-02-20 21:10:49,196 INFO L290 TraceCheckUtils]: 5: Hoare triple {2012#true} #t~short312 := #t~short309; {2012#true} is VALID [2022-02-20 21:10:49,196 INFO L290 TraceCheckUtils]: 4: Hoare triple {2012#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2012#true} is VALID [2022-02-20 21:10:49,197 INFO L290 TraceCheckUtils]: 3: Hoare triple {2012#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2012#true} is VALID [2022-02-20 21:10:49,197 INFO L272 TraceCheckUtils]: 2: Hoare triple {2275#(< 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {2012#true} is VALID [2022-02-20 21:10:49,199 INFO L290 TraceCheckUtils]: 1: Hoare triple {2318#(<= 0 |#StackHeapBarrier|)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {2275#(< 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:10:49,200 INFO L290 TraceCheckUtils]: 0: Hoare triple {2012#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$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; {2318#(<= 0 |#StackHeapBarrier|)} is VALID [2022-02-20 21:10:49,200 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 21:10:49,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740229874] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-20 21:10:49,201 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-20 21:10:49,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16, 10] total 32 [2022-02-20 21:10:49,201 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491262619] [2022-02-20 21:10:49,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:10:49,202 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2022-02-20 21:10:49,202 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:49,203 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 21:10:49,236 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:49,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 21:10:49,237 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:49,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 21:10:49,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=846, Unknown=5, NotChecked=58, Total=992 [2022-02-20 21:10:49,238 INFO L87 Difference]: Start difference. First operand 64 states and 74 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 21:11:02,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:02,070 INFO L93 Difference]: Finished difference Result 105 states and 124 transitions. [2022-02-20 21:11:02,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 21:11:02,070 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2022-02-20 21:11:02,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:11:02,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 21:11:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 103 transitions. [2022-02-20 21:11:02,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 21:11:02,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 103 transitions. [2022-02-20 21:11:02,075 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 103 transitions. [2022-02-20 21:11:02,179 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:02,181 INFO L225 Difference]: With dead ends: 105 [2022-02-20 21:11:02,181 INFO L226 Difference]: Without dead ends: 70 [2022-02-20 21:11:02,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 70 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 26.5s TimeCoverageRelationStatistics Valid=121, Invalid=1204, Unknown=11, NotChecked=70, Total=1406 [2022-02-20 21:11:02,182 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 73 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 21:11:02,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 159 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 21:11:02,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-02-20 21:11:02,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2022-02-20 21:11:02,217 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:11:02,218 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand has 69 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 49 states have internal predecessors, (52), 13 states have call successors, (13), 7 states have call predecessors, (13), 9 states have return successors, (15), 12 states have call predecessors, (15), 12 states have call successors, (15) [2022-02-20 21:11:02,218 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand has 69 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 49 states have internal predecessors, (52), 13 states have call successors, (13), 7 states have call predecessors, (13), 9 states have return successors, (15), 12 states have call predecessors, (15), 12 states have call successors, (15) [2022-02-20 21:11:02,218 INFO L87 Difference]: Start difference. First operand 70 states. Second operand has 69 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 49 states have internal predecessors, (52), 13 states have call successors, (13), 7 states have call predecessors, (13), 9 states have return successors, (15), 12 states have call predecessors, (15), 12 states have call successors, (15) [2022-02-20 21:11:02,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:02,221 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2022-02-20 21:11:02,221 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-02-20 21:11:02,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:02,222 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:02,222 INFO L74 IsIncluded]: Start isIncluded. First operand has 69 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 49 states have internal predecessors, (52), 13 states have call successors, (13), 7 states have call predecessors, (13), 9 states have return successors, (15), 12 states have call predecessors, (15), 12 states have call successors, (15) Second operand 70 states. [2022-02-20 21:11:02,222 INFO L87 Difference]: Start difference. First operand has 69 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 49 states have internal predecessors, (52), 13 states have call successors, (13), 7 states have call predecessors, (13), 9 states have return successors, (15), 12 states have call predecessors, (15), 12 states have call successors, (15) Second operand 70 states. [2022-02-20 21:11:02,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:02,225 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2022-02-20 21:11:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-02-20 21:11:02,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:02,225 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:02,226 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:11:02,226 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:11:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.1304347826086956) internal successors, (52), 49 states have internal predecessors, (52), 13 states have call successors, (13), 7 states have call predecessors, (13), 9 states have return successors, (15), 12 states have call predecessors, (15), 12 states have call successors, (15) [2022-02-20 21:11:02,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2022-02-20 21:11:02,228 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 80 transitions. Word has length 42 [2022-02-20 21:11:02,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:11:02,229 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 80 transitions. [2022-02-20 21:11:02,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 21:11:02,229 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-02-20 21:11:02,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-20 21:11:02,230 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:11:02,230 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:11:02,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 21:11:02,443 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,SelfDestructingSolverStorable5 [2022-02-20 21:11:02,444 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:11:02,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:11:02,444 INFO L85 PathProgramCache]: Analyzing trace with hash -507287457, now seen corresponding path program 1 times [2022-02-20 21:11:02,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:11:02,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171283974] [2022-02-20 21:11:02,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:11:02,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:11:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:11:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:02,565 INFO L290 TraceCheckUtils]: 0: Hoare triple {2700#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2700#true} is VALID [2022-02-20 21:11:02,565 INFO L290 TraceCheckUtils]: 1: Hoare triple {2700#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2700#true} is VALID [2022-02-20 21:11:02,566 INFO L290 TraceCheckUtils]: 2: Hoare triple {2700#true} #t~short312 := #t~short309; {2700#true} is VALID [2022-02-20 21:11:02,566 INFO L290 TraceCheckUtils]: 3: Hoare triple {2700#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2700#true} is VALID [2022-02-20 21:11:02,566 INFO L290 TraceCheckUtils]: 4: Hoare triple {2700#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2700#true} is VALID [2022-02-20 21:11:02,566 INFO L290 TraceCheckUtils]: 5: Hoare triple {2700#true} assume true; {2700#true} is VALID [2022-02-20 21:11:02,567 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {2700#true} {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #80#return; {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:11:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:11:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:02,576 INFO L290 TraceCheckUtils]: 0: Hoare triple {2700#true} ~cond := #in~cond; {2700#true} is VALID [2022-02-20 21:11:02,577 INFO L290 TraceCheckUtils]: 1: Hoare triple {2700#true} assume !(0 == ~cond % 256); {2700#true} is VALID [2022-02-20 21:11:02,577 INFO L290 TraceCheckUtils]: 2: Hoare triple {2700#true} assume true; {2700#true} is VALID [2022-02-20 21:11:02,578 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2700#true} {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #82#return; {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:11:02,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:11:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:02,595 INFO L290 TraceCheckUtils]: 0: Hoare triple {2700#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2700#true} is VALID [2022-02-20 21:11:02,596 INFO L290 TraceCheckUtils]: 1: Hoare triple {2700#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2700#true} is VALID [2022-02-20 21:11:02,596 INFO L290 TraceCheckUtils]: 2: Hoare triple {2700#true} #t~short312 := #t~short309; {2700#true} is VALID [2022-02-20 21:11:02,596 INFO L290 TraceCheckUtils]: 3: Hoare triple {2700#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2700#true} is VALID [2022-02-20 21:11:02,596 INFO L290 TraceCheckUtils]: 4: Hoare triple {2700#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2700#true} is VALID [2022-02-20 21:11:02,596 INFO L290 TraceCheckUtils]: 5: Hoare triple {2700#true} assume true; {2700#true} is VALID [2022-02-20 21:11:02,597 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {2700#true} {2714#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0)))} #84#return; {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} is VALID [2022-02-20 21:11:02,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 21:11:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:02,606 INFO L290 TraceCheckUtils]: 0: Hoare triple {2700#true} ~cond := #in~cond; {2700#true} is VALID [2022-02-20 21:11:02,607 INFO L290 TraceCheckUtils]: 1: Hoare triple {2700#true} assume !(0 == ~cond % 256); {2700#true} is VALID [2022-02-20 21:11:02,607 INFO L290 TraceCheckUtils]: 2: Hoare triple {2700#true} assume true; {2700#true} is VALID [2022-02-20 21:11:02,608 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2700#true} {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} #86#return; {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} is VALID [2022-02-20 21:11:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-02-20 21:11:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:02,664 INFO L290 TraceCheckUtils]: 0: Hoare triple {2700#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {2734#(or |aws_linked_list_node_next_is_valid_#t~short304| (and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0)))} is VALID [2022-02-20 21:11:02,665 INFO L290 TraceCheckUtils]: 1: Hoare triple {2734#(or |aws_linked_list_node_next_is_valid_#t~short304| (and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0)))} assume !#t~short304; {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:02,665 INFO L290 TraceCheckUtils]: 2: Hoare triple {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} #t~short307 := #t~short304; {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:02,666 INFO L290 TraceCheckUtils]: 3: Hoare triple {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} assume !#t~short307; {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:02,666 INFO L290 TraceCheckUtils]: 4: Hoare triple {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:02,667 INFO L290 TraceCheckUtils]: 5: Hoare triple {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} assume true; {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:02,668 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} #88#return; {2701#false} is VALID [2022-02-20 21:11:02,668 INFO L290 TraceCheckUtils]: 0: Hoare triple {2700#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(31, 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$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {2700#true} is VALID [2022-02-20 21:11:02,670 INFO L290 TraceCheckUtils]: 1: Hoare triple {2700#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:11:02,671 INFO L272 TraceCheckUtils]: 2: Hoare triple {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {2700#true} is VALID [2022-02-20 21:11:02,671 INFO L290 TraceCheckUtils]: 3: Hoare triple {2700#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2700#true} is VALID [2022-02-20 21:11:02,671 INFO L290 TraceCheckUtils]: 4: Hoare triple {2700#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2700#true} is VALID [2022-02-20 21:11:02,671 INFO L290 TraceCheckUtils]: 5: Hoare triple {2700#true} #t~short312 := #t~short309; {2700#true} is VALID [2022-02-20 21:11:02,671 INFO L290 TraceCheckUtils]: 6: Hoare triple {2700#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2700#true} is VALID [2022-02-20 21:11:02,671 INFO L290 TraceCheckUtils]: 7: Hoare triple {2700#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2700#true} is VALID [2022-02-20 21:11:02,672 INFO L290 TraceCheckUtils]: 8: Hoare triple {2700#true} assume true; {2700#true} is VALID [2022-02-20 21:11:02,673 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {2700#true} {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #80#return; {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:11:02,673 INFO L272 TraceCheckUtils]: 10: Hoare triple {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {2700#true} is VALID [2022-02-20 21:11:02,673 INFO L290 TraceCheckUtils]: 11: Hoare triple {2700#true} ~cond := #in~cond; {2700#true} is VALID [2022-02-20 21:11:02,673 INFO L290 TraceCheckUtils]: 12: Hoare triple {2700#true} assume !(0 == ~cond % 256); {2700#true} is VALID [2022-02-20 21:11:02,673 INFO L290 TraceCheckUtils]: 13: Hoare triple {2700#true} assume true; {2700#true} is VALID [2022-02-20 21:11:02,674 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {2700#true} {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #82#return; {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:11:02,675 INFO L290 TraceCheckUtils]: 15: Hoare triple {2702#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {2714#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0)))} is VALID [2022-02-20 21:11:02,675 INFO L272 TraceCheckUtils]: 16: Hoare triple {2714#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0)))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {2700#true} is VALID [2022-02-20 21:11:02,675 INFO L290 TraceCheckUtils]: 17: Hoare triple {2700#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {2700#true} is VALID [2022-02-20 21:11:02,675 INFO L290 TraceCheckUtils]: 18: Hoare triple {2700#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {2700#true} is VALID [2022-02-20 21:11:02,675 INFO L290 TraceCheckUtils]: 19: Hoare triple {2700#true} #t~short312 := #t~short309; {2700#true} is VALID [2022-02-20 21:11:02,676 INFO L290 TraceCheckUtils]: 20: Hoare triple {2700#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {2700#true} is VALID [2022-02-20 21:11:02,676 INFO L290 TraceCheckUtils]: 21: Hoare triple {2700#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {2700#true} is VALID [2022-02-20 21:11:02,676 INFO L290 TraceCheckUtils]: 22: Hoare triple {2700#true} assume true; {2700#true} is VALID [2022-02-20 21:11:02,677 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2700#true} {2714#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0)))} #84#return; {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} is VALID [2022-02-20 21:11:02,677 INFO L272 TraceCheckUtils]: 24: Hoare triple {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {2700#true} is VALID [2022-02-20 21:11:02,677 INFO L290 TraceCheckUtils]: 25: Hoare triple {2700#true} ~cond := #in~cond; {2700#true} is VALID [2022-02-20 21:11:02,677 INFO L290 TraceCheckUtils]: 26: Hoare triple {2700#true} assume !(0 == ~cond % 256); {2700#true} is VALID [2022-02-20 21:11:02,677 INFO L290 TraceCheckUtils]: 27: Hoare triple {2700#true} assume true; {2700#true} is VALID [2022-02-20 21:11:02,678 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2700#true} {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} #86#return; {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} is VALID [2022-02-20 21:11:02,678 INFO L290 TraceCheckUtils]: 29: Hoare triple {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} havoc aws_linked_list_prev_#t~ret336#1; {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} is VALID [2022-02-20 21:11:02,679 INFO L272 TraceCheckUtils]: 30: Hoare triple {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} call aws_linked_list_prev_#t~ret337#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset); {2700#true} is VALID [2022-02-20 21:11:02,679 INFO L290 TraceCheckUtils]: 31: Hoare triple {2700#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {2734#(or |aws_linked_list_node_next_is_valid_#t~short304| (and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0)))} is VALID [2022-02-20 21:11:02,680 INFO L290 TraceCheckUtils]: 32: Hoare triple {2734#(or |aws_linked_list_node_next_is_valid_#t~short304| (and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0)))} assume !#t~short304; {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:02,680 INFO L290 TraceCheckUtils]: 33: Hoare triple {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} #t~short307 := #t~short304; {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:02,681 INFO L290 TraceCheckUtils]: 34: Hoare triple {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} assume !#t~short307; {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:02,681 INFO L290 TraceCheckUtils]: 35: Hoare triple {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:02,682 INFO L290 TraceCheckUtils]: 36: Hoare triple {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} assume true; {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:02,683 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {2735#(and (< 0 (+ |aws_linked_list_node_next_is_valid_#in~node.base| 1)) (<= |aws_linked_list_node_next_is_valid_#in~node.base| 0))} {2722#(not (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| 0))} #88#return; {2701#false} is VALID [2022-02-20 21:11:02,683 INFO L272 TraceCheckUtils]: 38: Hoare triple {2701#false} call __VERIFIER_assert(aws_linked_list_prev_#t~ret337#1); {2701#false} is VALID [2022-02-20 21:11:02,683 INFO L290 TraceCheckUtils]: 39: Hoare triple {2701#false} ~cond := #in~cond; {2701#false} is VALID [2022-02-20 21:11:02,683 INFO L290 TraceCheckUtils]: 40: Hoare triple {2701#false} assume 0 == ~cond % 256; {2701#false} is VALID [2022-02-20 21:11:02,683 INFO L290 TraceCheckUtils]: 41: Hoare triple {2701#false} assume !false; {2701#false} is VALID [2022-02-20 21:11:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 21:11:02,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:11:02,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171283974] [2022-02-20 21:11:02,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171283974] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:11:02,684 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:11:02,684 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 21:11:02,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549882878] [2022-02-20 21:11:02,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:11:02,685 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 42 [2022-02-20 21:11:02,687 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:11:02,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 21:11:02,720 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:02,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 21:11:02,720 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:11:02,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 21:11:02,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-20 21:11:02,721 INFO L87 Difference]: Start difference. First operand 69 states and 80 transitions. Second operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 21:11:03,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:03,029 INFO L93 Difference]: Finished difference Result 116 states and 135 transitions. [2022-02-20 21:11:03,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 21:11:03,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 42 [2022-02-20 21:11:03,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:11:03,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 21:11:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 102 transitions. [2022-02-20 21:11:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 21:11:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 102 transitions. [2022-02-20 21:11:03,034 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 102 transitions. [2022-02-20 21:11:03,115 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:03,116 INFO L225 Difference]: With dead ends: 116 [2022-02-20 21:11:03,116 INFO L226 Difference]: Without dead ends: 71 [2022-02-20 21:11:03,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-20 21:11:03,118 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 24 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 21:11:03,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 215 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 21:11:03,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-02-20 21:11:03,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2022-02-20 21:11:03,167 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:11:03,167 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand has 65 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 46 states have internal predecessors, (50), 12 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:03,167 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand has 65 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 46 states have internal predecessors, (50), 12 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:03,167 INFO L87 Difference]: Start difference. First operand 71 states. Second operand has 65 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 46 states have internal predecessors, (50), 12 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:03,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:03,170 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2022-02-20 21:11:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2022-02-20 21:11:03,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:03,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:03,171 INFO L74 IsIncluded]: Start isIncluded. First operand has 65 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 46 states have internal predecessors, (50), 12 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Second operand 71 states. [2022-02-20 21:11:03,171 INFO L87 Difference]: Start difference. First operand has 65 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 46 states have internal predecessors, (50), 12 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Second operand 71 states. [2022-02-20 21:11:03,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:03,174 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2022-02-20 21:11:03,174 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2022-02-20 21:11:03,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:03,174 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:03,175 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:11:03,175 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:11:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 46 states have internal predecessors, (50), 12 states have call successors, (12), 7 states have call predecessors, (12), 8 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2022-02-20 21:11:03,177 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 42 [2022-02-20 21:11:03,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:11:03,177 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2022-02-20 21:11:03,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 21:11:03,178 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2022-02-20 21:11:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-20 21:11:03,179 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:11:03,179 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:11:03,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 21:11:03,179 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:11:03,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:11:03,180 INFO L85 PathProgramCache]: Analyzing trace with hash 709260864, now seen corresponding path program 1 times [2022-02-20 21:11:03,180 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:11:03,180 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485327651] [2022-02-20 21:11:03,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:11:03,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:11:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:03,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:11:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:03,275 INFO L290 TraceCheckUtils]: 0: Hoare triple {3116#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,276 INFO L290 TraceCheckUtils]: 1: Hoare triple {3116#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,276 INFO L290 TraceCheckUtils]: 2: Hoare triple {3116#true} #t~short312 := #t~short309; {3116#true} is VALID [2022-02-20 21:11:03,298 INFO L290 TraceCheckUtils]: 3: Hoare triple {3116#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3116#true} is VALID [2022-02-20 21:11:03,298 INFO L290 TraceCheckUtils]: 4: Hoare triple {3116#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3116#true} is VALID [2022-02-20 21:11:03,298 INFO L290 TraceCheckUtils]: 5: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,298 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3116#true} {3116#true} #80#return; {3116#true} is VALID [2022-02-20 21:11:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:11:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:03,306 INFO L290 TraceCheckUtils]: 0: Hoare triple {3116#true} ~cond := #in~cond; {3116#true} is VALID [2022-02-20 21:11:03,306 INFO L290 TraceCheckUtils]: 1: Hoare triple {3116#true} assume !(0 == ~cond % 256); {3116#true} is VALID [2022-02-20 21:11:03,306 INFO L290 TraceCheckUtils]: 2: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,307 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3116#true} {3116#true} #82#return; {3116#true} is VALID [2022-02-20 21:11:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:11:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:03,318 INFO L290 TraceCheckUtils]: 0: Hoare triple {3116#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,318 INFO L290 TraceCheckUtils]: 1: Hoare triple {3116#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,318 INFO L290 TraceCheckUtils]: 2: Hoare triple {3116#true} #t~short312 := #t~short309; {3116#true} is VALID [2022-02-20 21:11:03,319 INFO L290 TraceCheckUtils]: 3: Hoare triple {3116#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3116#true} is VALID [2022-02-20 21:11:03,319 INFO L290 TraceCheckUtils]: 4: Hoare triple {3116#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3116#true} is VALID [2022-02-20 21:11:03,319 INFO L290 TraceCheckUtils]: 5: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,320 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3116#true} {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #84#return; {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 21:11:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:03,328 INFO L290 TraceCheckUtils]: 0: Hoare triple {3116#true} ~cond := #in~cond; {3116#true} is VALID [2022-02-20 21:11:03,328 INFO L290 TraceCheckUtils]: 1: Hoare triple {3116#true} assume !(0 == ~cond % 256); {3116#true} is VALID [2022-02-20 21:11:03,328 INFO L290 TraceCheckUtils]: 2: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,329 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3116#true} {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #86#return; {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:03,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-02-20 21:11:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:03,340 INFO L290 TraceCheckUtils]: 0: Hoare triple {3116#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,340 INFO L290 TraceCheckUtils]: 1: Hoare triple {3116#true} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,340 INFO L290 TraceCheckUtils]: 2: Hoare triple {3116#true} #t~short307 := #t~short304; {3116#true} is VALID [2022-02-20 21:11:03,340 INFO L290 TraceCheckUtils]: 3: Hoare triple {3116#true} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {3116#true} is VALID [2022-02-20 21:11:03,341 INFO L290 TraceCheckUtils]: 4: Hoare triple {3116#true} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {3116#true} is VALID [2022-02-20 21:11:03,341 INFO L290 TraceCheckUtils]: 5: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,341 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3116#true} {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #88#return; {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-02-20 21:11:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:03,350 INFO L290 TraceCheckUtils]: 0: Hoare triple {3116#true} ~cond := #in~cond; {3116#true} is VALID [2022-02-20 21:11:03,350 INFO L290 TraceCheckUtils]: 1: Hoare triple {3116#true} assume !(0 == ~cond % 256); {3116#true} is VALID [2022-02-20 21:11:03,350 INFO L290 TraceCheckUtils]: 2: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,351 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3116#true} {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #90#return; {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:03,351 INFO L290 TraceCheckUtils]: 0: Hoare triple {3116#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$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$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {3116#true} is VALID [2022-02-20 21:11:03,351 INFO L290 TraceCheckUtils]: 1: Hoare triple {3116#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {3116#true} is VALID [2022-02-20 21:11:03,352 INFO L272 TraceCheckUtils]: 2: Hoare triple {3116#true} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {3116#true} is VALID [2022-02-20 21:11:03,352 INFO L290 TraceCheckUtils]: 3: Hoare triple {3116#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,352 INFO L290 TraceCheckUtils]: 4: Hoare triple {3116#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,352 INFO L290 TraceCheckUtils]: 5: Hoare triple {3116#true} #t~short312 := #t~short309; {3116#true} is VALID [2022-02-20 21:11:03,352 INFO L290 TraceCheckUtils]: 6: Hoare triple {3116#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3116#true} is VALID [2022-02-20 21:11:03,352 INFO L290 TraceCheckUtils]: 7: Hoare triple {3116#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3116#true} is VALID [2022-02-20 21:11:03,352 INFO L290 TraceCheckUtils]: 8: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,353 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {3116#true} {3116#true} #80#return; {3116#true} is VALID [2022-02-20 21:11:03,353 INFO L272 TraceCheckUtils]: 10: Hoare triple {3116#true} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {3116#true} is VALID [2022-02-20 21:11:03,353 INFO L290 TraceCheckUtils]: 11: Hoare triple {3116#true} ~cond := #in~cond; {3116#true} is VALID [2022-02-20 21:11:03,353 INFO L290 TraceCheckUtils]: 12: Hoare triple {3116#true} assume !(0 == ~cond % 256); {3116#true} is VALID [2022-02-20 21:11:03,353 INFO L290 TraceCheckUtils]: 13: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,353 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {3116#true} {3116#true} #82#return; {3116#true} is VALID [2022-02-20 21:11:03,354 INFO L290 TraceCheckUtils]: 15: Hoare triple {3116#true} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:03,354 INFO L272 TraceCheckUtils]: 16: Hoare triple {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {3116#true} is VALID [2022-02-20 21:11:03,354 INFO L290 TraceCheckUtils]: 17: Hoare triple {3116#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,354 INFO L290 TraceCheckUtils]: 18: Hoare triple {3116#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,355 INFO L290 TraceCheckUtils]: 19: Hoare triple {3116#true} #t~short312 := #t~short309; {3116#true} is VALID [2022-02-20 21:11:03,355 INFO L290 TraceCheckUtils]: 20: Hoare triple {3116#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3116#true} is VALID [2022-02-20 21:11:03,355 INFO L290 TraceCheckUtils]: 21: Hoare triple {3116#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3116#true} is VALID [2022-02-20 21:11:03,355 INFO L290 TraceCheckUtils]: 22: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,356 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {3116#true} {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #84#return; {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:03,356 INFO L272 TraceCheckUtils]: 24: Hoare triple {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {3116#true} is VALID [2022-02-20 21:11:03,356 INFO L290 TraceCheckUtils]: 25: Hoare triple {3116#true} ~cond := #in~cond; {3116#true} is VALID [2022-02-20 21:11:03,356 INFO L290 TraceCheckUtils]: 26: Hoare triple {3116#true} assume !(0 == ~cond % 256); {3116#true} is VALID [2022-02-20 21:11:03,356 INFO L290 TraceCheckUtils]: 27: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,357 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {3116#true} {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #86#return; {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:03,358 INFO L290 TraceCheckUtils]: 29: Hoare triple {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} havoc aws_linked_list_prev_#t~ret336#1; {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:03,358 INFO L272 TraceCheckUtils]: 30: Hoare triple {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} call aws_linked_list_prev_#t~ret337#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset); {3116#true} is VALID [2022-02-20 21:11:03,358 INFO L290 TraceCheckUtils]: 31: Hoare triple {3116#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,358 INFO L290 TraceCheckUtils]: 32: Hoare triple {3116#true} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {3116#true} is VALID [2022-02-20 21:11:03,358 INFO L290 TraceCheckUtils]: 33: Hoare triple {3116#true} #t~short307 := #t~short304; {3116#true} is VALID [2022-02-20 21:11:03,358 INFO L290 TraceCheckUtils]: 34: Hoare triple {3116#true} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {3116#true} is VALID [2022-02-20 21:11:03,359 INFO L290 TraceCheckUtils]: 35: Hoare triple {3116#true} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {3116#true} is VALID [2022-02-20 21:11:03,359 INFO L290 TraceCheckUtils]: 36: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,360 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {3116#true} {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #88#return; {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:03,360 INFO L272 TraceCheckUtils]: 38: Hoare triple {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret337#1); {3116#true} is VALID [2022-02-20 21:11:03,360 INFO L290 TraceCheckUtils]: 39: Hoare triple {3116#true} ~cond := #in~cond; {3116#true} is VALID [2022-02-20 21:11:03,360 INFO L290 TraceCheckUtils]: 40: Hoare triple {3116#true} assume !(0 == ~cond % 256); {3116#true} is VALID [2022-02-20 21:11:03,360 INFO L290 TraceCheckUtils]: 41: Hoare triple {3116#true} assume true; {3116#true} is VALID [2022-02-20 21:11:03,361 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {3116#true} {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #90#return; {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:03,361 INFO L290 TraceCheckUtils]: 43: Hoare triple {3129#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} havoc aws_linked_list_prev_#t~ret337#1;call aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8); {3152#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| |ULTIMATE.start_aws_linked_list_prev_#t~mem338#1.offset|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| |ULTIMATE.start_aws_linked_list_prev_#t~mem338#1.base|))} is VALID [2022-02-20 21:11:03,362 INFO L272 TraceCheckUtils]: 44: Hoare triple {3152#(and (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| |ULTIMATE.start_aws_linked_list_prev_#t~mem338#1.offset|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base| |ULTIMATE.start_aws_linked_list_prev_#t~mem338#1.base|))} call __VERIFIER_assert((if 0 == (if aws_linked_list_prev_~rval~5#1.base == aws_linked_list_prev_#t~mem338#1.base && aws_linked_list_prev_~rval~5#1.offset == aws_linked_list_prev_#t~mem338#1.offset then 1 else 0) then 0 else 1)); {3153#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} is VALID [2022-02-20 21:11:03,367 INFO L290 TraceCheckUtils]: 45: Hoare triple {3153#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} ~cond := #in~cond; {3154#(and (<= (div __VERIFIER_assert_~cond 256) 0) (<= 1 __VERIFIER_assert_~cond))} is VALID [2022-02-20 21:11:03,368 INFO L290 TraceCheckUtils]: 46: Hoare triple {3154#(and (<= (div __VERIFIER_assert_~cond 256) 0) (<= 1 __VERIFIER_assert_~cond))} assume 0 == ~cond % 256; {3117#false} is VALID [2022-02-20 21:11:03,368 INFO L290 TraceCheckUtils]: 47: Hoare triple {3117#false} assume !false; {3117#false} is VALID [2022-02-20 21:11:03,368 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-20 21:11:03,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:11:03,369 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485327651] [2022-02-20 21:11:03,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485327651] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:11:03,369 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:11:03,369 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 21:11:03,369 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874947963] [2022-02-20 21:11:03,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:11:03,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2022-02-20 21:11:03,371 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:11:03,371 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-20 21:11:03,401 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:03,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 21:11:03,402 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:11:03,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 21:11:03,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 21:11:03,403 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-20 21:11:03,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:03,757 INFO L93 Difference]: Finished difference Result 71 states and 79 transitions. [2022-02-20 21:11:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 21:11:03,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2022-02-20 21:11:03,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:11:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-20 21:11:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2022-02-20 21:11:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-20 21:11:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2022-02-20 21:11:03,760 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 61 transitions. [2022-02-20 21:11:03,823 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:03,824 INFO L225 Difference]: With dead ends: 71 [2022-02-20 21:11:03,824 INFO L226 Difference]: Without dead ends: 69 [2022-02-20 21:11:03,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-20 21:11:03,825 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 9 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 21:11:03,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 219 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 21:11:03,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-02-20 21:11:03,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-02-20 21:11:03,864 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:11:03,869 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand has 69 states, 47 states have (on average 1.127659574468085) internal successors, (53), 49 states have internal predecessors, (53), 12 states have call successors, (12), 8 states have call predecessors, (12), 9 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:03,870 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand has 69 states, 47 states have (on average 1.127659574468085) internal successors, (53), 49 states have internal predecessors, (53), 12 states have call successors, (12), 8 states have call predecessors, (12), 9 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:03,870 INFO L87 Difference]: Start difference. First operand 69 states. Second operand has 69 states, 47 states have (on average 1.127659574468085) internal successors, (53), 49 states have internal predecessors, (53), 12 states have call successors, (12), 8 states have call predecessors, (12), 9 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:03,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:03,874 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-02-20 21:11:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2022-02-20 21:11:03,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:03,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:03,875 INFO L74 IsIncluded]: Start isIncluded. First operand has 69 states, 47 states have (on average 1.127659574468085) internal successors, (53), 49 states have internal predecessors, (53), 12 states have call successors, (12), 8 states have call predecessors, (12), 9 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Second operand 69 states. [2022-02-20 21:11:03,875 INFO L87 Difference]: Start difference. First operand has 69 states, 47 states have (on average 1.127659574468085) internal successors, (53), 49 states have internal predecessors, (53), 12 states have call successors, (12), 8 states have call predecessors, (12), 9 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Second operand 69 states. [2022-02-20 21:11:03,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:03,877 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-02-20 21:11:03,877 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2022-02-20 21:11:03,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:03,877 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:03,877 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:11:03,877 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:11:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.127659574468085) internal successors, (53), 49 states have internal predecessors, (53), 12 states have call successors, (12), 8 states have call predecessors, (12), 9 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:03,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2022-02-20 21:11:03,879 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 48 [2022-02-20 21:11:03,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:11:03,880 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2022-02-20 21:11:03,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-02-20 21:11:03,880 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2022-02-20 21:11:03,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-20 21:11:03,880 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:11:03,881 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2022-02-20 21:11:03,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 21:11:03,881 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:11:03,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:11:03,881 INFO L85 PathProgramCache]: Analyzing trace with hash -593356994, now seen corresponding path program 1 times [2022-02-20 21:11:03,881 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:11:03,882 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756008310] [2022-02-20 21:11:03,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:11:03,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:11:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:04,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:11:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:04,086 INFO L290 TraceCheckUtils]: 0: Hoare triple {3481#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,086 INFO L290 TraceCheckUtils]: 1: Hoare triple {3481#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,086 INFO L290 TraceCheckUtils]: 2: Hoare triple {3481#true} #t~short312 := #t~short309; {3481#true} is VALID [2022-02-20 21:11:04,086 INFO L290 TraceCheckUtils]: 3: Hoare triple {3481#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3481#true} is VALID [2022-02-20 21:11:04,087 INFO L290 TraceCheckUtils]: 4: Hoare triple {3481#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3481#true} is VALID [2022-02-20 21:11:04,087 INFO L290 TraceCheckUtils]: 5: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,088 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3481#true} {3483#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #80#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:11:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:04,097 INFO L290 TraceCheckUtils]: 0: Hoare triple {3481#true} ~cond := #in~cond; {3481#true} is VALID [2022-02-20 21:11:04,097 INFO L290 TraceCheckUtils]: 1: Hoare triple {3481#true} assume !(0 == ~cond % 256); {3481#true} is VALID [2022-02-20 21:11:04,097 INFO L290 TraceCheckUtils]: 2: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,098 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #82#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:11:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:04,108 INFO L290 TraceCheckUtils]: 0: Hoare triple {3481#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,109 INFO L290 TraceCheckUtils]: 1: Hoare triple {3481#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,109 INFO L290 TraceCheckUtils]: 2: Hoare triple {3481#true} #t~short312 := #t~short309; {3481#true} is VALID [2022-02-20 21:11:04,109 INFO L290 TraceCheckUtils]: 3: Hoare triple {3481#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3481#true} is VALID [2022-02-20 21:11:04,109 INFO L290 TraceCheckUtils]: 4: Hoare triple {3481#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3481#true} is VALID [2022-02-20 21:11:04,109 INFO L290 TraceCheckUtils]: 5: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,110 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #84#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 21:11:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:04,120 INFO L290 TraceCheckUtils]: 0: Hoare triple {3481#true} ~cond := #in~cond; {3481#true} is VALID [2022-02-20 21:11:04,120 INFO L290 TraceCheckUtils]: 1: Hoare triple {3481#true} assume !(0 == ~cond % 256); {3481#true} is VALID [2022-02-20 21:11:04,120 INFO L290 TraceCheckUtils]: 2: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,121 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #86#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-02-20 21:11:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:04,131 INFO L290 TraceCheckUtils]: 0: Hoare triple {3481#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,131 INFO L290 TraceCheckUtils]: 1: Hoare triple {3481#true} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,132 INFO L290 TraceCheckUtils]: 2: Hoare triple {3481#true} #t~short307 := #t~short304; {3481#true} is VALID [2022-02-20 21:11:04,132 INFO L290 TraceCheckUtils]: 3: Hoare triple {3481#true} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {3481#true} is VALID [2022-02-20 21:11:04,132 INFO L290 TraceCheckUtils]: 4: Hoare triple {3481#true} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {3481#true} is VALID [2022-02-20 21:11:04,132 INFO L290 TraceCheckUtils]: 5: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,133 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #88#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-02-20 21:11:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:04,147 INFO L290 TraceCheckUtils]: 0: Hoare triple {3481#true} ~cond := #in~cond; {3481#true} is VALID [2022-02-20 21:11:04,147 INFO L290 TraceCheckUtils]: 1: Hoare triple {3481#true} assume !(0 == ~cond % 256); {3481#true} is VALID [2022-02-20 21:11:04,147 INFO L290 TraceCheckUtils]: 2: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,148 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #90#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-02-20 21:11:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:04,160 INFO L290 TraceCheckUtils]: 0: Hoare triple {3481#true} ~cond := #in~cond; {3481#true} is VALID [2022-02-20 21:11:04,160 INFO L290 TraceCheckUtils]: 1: Hoare triple {3481#true} assume !(0 == ~cond % 256); {3481#true} is VALID [2022-02-20 21:11:04,160 INFO L290 TraceCheckUtils]: 2: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,161 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #92#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-02-20 21:11:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:04,284 INFO L290 TraceCheckUtils]: 0: Hoare triple {3481#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:11:04,284 INFO L290 TraceCheckUtils]: 1: Hoare triple {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:11:04,285 INFO L290 TraceCheckUtils]: 2: Hoare triple {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} #t~short312 := #t~short309; {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:11:04,286 INFO L290 TraceCheckUtils]: 3: Hoare triple {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3533#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) |aws_linked_list_node_prev_is_valid_#t~short312| (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))))} is VALID [2022-02-20 21:11:04,287 INFO L290 TraceCheckUtils]: 4: Hoare triple {3533#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) |aws_linked_list_node_prev_is_valid_#t~short312| (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3534#(and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (<= 1 |aws_linked_list_node_prev_is_valid_#res|) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))))} is VALID [2022-02-20 21:11:04,288 INFO L290 TraceCheckUtils]: 5: Hoare triple {3534#(and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (<= 1 |aws_linked_list_node_prev_is_valid_#res|) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))))} assume true; {3534#(and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (<= 1 |aws_linked_list_node_prev_is_valid_#res|) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))))} is VALID [2022-02-20 21:11:04,290 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3534#(and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (<= 1 |aws_linked_list_node_prev_is_valid_#res|) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))))} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #94#return; {3529#(and (<= |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret675#1| 1) (<= 1 |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret675#1|))} is VALID [2022-02-20 21:11:04,290 INFO L290 TraceCheckUtils]: 0: Hoare triple {3481#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$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$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {3481#true} is VALID [2022-02-20 21:11:04,292 INFO L290 TraceCheckUtils]: 1: Hoare triple {3481#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {3483#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,292 INFO L272 TraceCheckUtils]: 2: Hoare triple {3483#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {3481#true} is VALID [2022-02-20 21:11:04,292 INFO L290 TraceCheckUtils]: 3: Hoare triple {3481#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,293 INFO L290 TraceCheckUtils]: 4: Hoare triple {3481#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,293 INFO L290 TraceCheckUtils]: 5: Hoare triple {3481#true} #t~short312 := #t~short309; {3481#true} is VALID [2022-02-20 21:11:04,293 INFO L290 TraceCheckUtils]: 6: Hoare triple {3481#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3481#true} is VALID [2022-02-20 21:11:04,293 INFO L290 TraceCheckUtils]: 7: Hoare triple {3481#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3481#true} is VALID [2022-02-20 21:11:04,293 INFO L290 TraceCheckUtils]: 8: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,295 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {3481#true} {3483#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #80#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,295 INFO L272 TraceCheckUtils]: 10: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {3481#true} is VALID [2022-02-20 21:11:04,295 INFO L290 TraceCheckUtils]: 11: Hoare triple {3481#true} ~cond := #in~cond; {3481#true} is VALID [2022-02-20 21:11:04,295 INFO L290 TraceCheckUtils]: 12: Hoare triple {3481#true} assume !(0 == ~cond % 256); {3481#true} is VALID [2022-02-20 21:11:04,295 INFO L290 TraceCheckUtils]: 13: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,296 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #82#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,297 INFO L290 TraceCheckUtils]: 15: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,297 INFO L272 TraceCheckUtils]: 16: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {3481#true} is VALID [2022-02-20 21:11:04,297 INFO L290 TraceCheckUtils]: 17: Hoare triple {3481#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,297 INFO L290 TraceCheckUtils]: 18: Hoare triple {3481#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,297 INFO L290 TraceCheckUtils]: 19: Hoare triple {3481#true} #t~short312 := #t~short309; {3481#true} is VALID [2022-02-20 21:11:04,297 INFO L290 TraceCheckUtils]: 20: Hoare triple {3481#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3481#true} is VALID [2022-02-20 21:11:04,297 INFO L290 TraceCheckUtils]: 21: Hoare triple {3481#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3481#true} is VALID [2022-02-20 21:11:04,298 INFO L290 TraceCheckUtils]: 22: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,298 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #84#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,298 INFO L272 TraceCheckUtils]: 24: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {3481#true} is VALID [2022-02-20 21:11:04,299 INFO L290 TraceCheckUtils]: 25: Hoare triple {3481#true} ~cond := #in~cond; {3481#true} is VALID [2022-02-20 21:11:04,299 INFO L290 TraceCheckUtils]: 26: Hoare triple {3481#true} assume !(0 == ~cond % 256); {3481#true} is VALID [2022-02-20 21:11:04,299 INFO L290 TraceCheckUtils]: 27: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,300 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #86#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,301 INFO L290 TraceCheckUtils]: 29: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} havoc aws_linked_list_prev_#t~ret336#1; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,301 INFO L272 TraceCheckUtils]: 30: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} call aws_linked_list_prev_#t~ret337#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset); {3481#true} is VALID [2022-02-20 21:11:04,301 INFO L290 TraceCheckUtils]: 31: Hoare triple {3481#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,301 INFO L290 TraceCheckUtils]: 32: Hoare triple {3481#true} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {3481#true} is VALID [2022-02-20 21:11:04,301 INFO L290 TraceCheckUtils]: 33: Hoare triple {3481#true} #t~short307 := #t~short304; {3481#true} is VALID [2022-02-20 21:11:04,301 INFO L290 TraceCheckUtils]: 34: Hoare triple {3481#true} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {3481#true} is VALID [2022-02-20 21:11:04,301 INFO L290 TraceCheckUtils]: 35: Hoare triple {3481#true} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {3481#true} is VALID [2022-02-20 21:11:04,301 INFO L290 TraceCheckUtils]: 36: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,302 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #88#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,302 INFO L272 TraceCheckUtils]: 38: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret337#1); {3481#true} is VALID [2022-02-20 21:11:04,302 INFO L290 TraceCheckUtils]: 39: Hoare triple {3481#true} ~cond := #in~cond; {3481#true} is VALID [2022-02-20 21:11:04,303 INFO L290 TraceCheckUtils]: 40: Hoare triple {3481#true} assume !(0 == ~cond % 256); {3481#true} is VALID [2022-02-20 21:11:04,303 INFO L290 TraceCheckUtils]: 41: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,303 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #90#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,304 INFO L290 TraceCheckUtils]: 43: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} havoc aws_linked_list_prev_#t~ret337#1;call aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8); {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,304 INFO L272 TraceCheckUtils]: 44: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} call __VERIFIER_assert((if 0 == (if aws_linked_list_prev_~rval~5#1.base == aws_linked_list_prev_#t~mem338#1.base && aws_linked_list_prev_~rval~5#1.offset == aws_linked_list_prev_#t~mem338#1.offset then 1 else 0) then 0 else 1)); {3481#true} is VALID [2022-02-20 21:11:04,304 INFO L290 TraceCheckUtils]: 45: Hoare triple {3481#true} ~cond := #in~cond; {3481#true} is VALID [2022-02-20 21:11:04,304 INFO L290 TraceCheckUtils]: 46: Hoare triple {3481#true} assume !(0 == ~cond % 256); {3481#true} is VALID [2022-02-20 21:11:04,304 INFO L290 TraceCheckUtils]: 47: Hoare triple {3481#true} assume true; {3481#true} is VALID [2022-02-20 21:11:04,305 INFO L284 TraceCheckUtils]: 48: Hoare quadruple {3481#true} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #92#return; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,306 INFO L290 TraceCheckUtils]: 49: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} havoc aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset;aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset := aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,306 INFO L290 TraceCheckUtils]: 50: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset := aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;assume { :end_inline_aws_linked_list_prev } true;aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset := aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset; {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} is VALID [2022-02-20 21:11:04,306 INFO L272 TraceCheckUtils]: 51: Hoare triple {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} call aws_linked_list_prev_harness_#t~ret675#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset); {3481#true} is VALID [2022-02-20 21:11:04,307 INFO L290 TraceCheckUtils]: 52: Hoare triple {3481#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:11:04,307 INFO L290 TraceCheckUtils]: 53: Hoare triple {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:11:04,308 INFO L290 TraceCheckUtils]: 54: Hoare triple {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} #t~short312 := #t~short309; {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:11:04,309 INFO L290 TraceCheckUtils]: 55: Hoare triple {3532#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3533#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) |aws_linked_list_node_prev_is_valid_#t~short312| (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))))} is VALID [2022-02-20 21:11:04,310 INFO L290 TraceCheckUtils]: 56: Hoare triple {3533#(or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) |aws_linked_list_node_prev_is_valid_#t~short312| (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)))))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3534#(and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (<= 1 |aws_linked_list_node_prev_is_valid_#res|) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))))} is VALID [2022-02-20 21:11:04,310 INFO L290 TraceCheckUtils]: 57: Hoare triple {3534#(and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (<= 1 |aws_linked_list_node_prev_is_valid_#res|) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))))} assume true; {3534#(and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (<= 1 |aws_linked_list_node_prev_is_valid_#res|) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))))} is VALID [2022-02-20 21:11:04,311 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {3534#(and (<= |aws_linked_list_node_prev_is_valid_#res| 1) (or (not (= |aws_linked_list_node_prev_is_valid_#in~node.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))) (<= 1 |aws_linked_list_node_prev_is_valid_#res|) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) 1) |aws_linked_list_node_prev_is_valid_#in~node.offset|) (<= (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 1) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))) (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8))))))} {3491#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)))))} #94#return; {3529#(and (<= |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret675#1| 1) (<= 1 |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret675#1|))} is VALID [2022-02-20 21:11:04,312 INFO L272 TraceCheckUtils]: 59: Hoare triple {3529#(and (<= |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret675#1| 1) (<= 1 |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret675#1|))} call __VERIFIER_assert(aws_linked_list_prev_harness_#t~ret675#1); {3530#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} is VALID [2022-02-20 21:11:04,312 INFO L290 TraceCheckUtils]: 60: Hoare triple {3530#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} ~cond := #in~cond; {3531#(and (<= (div __VERIFIER_assert_~cond 256) 0) (<= 1 __VERIFIER_assert_~cond))} is VALID [2022-02-20 21:11:04,313 INFO L290 TraceCheckUtils]: 61: Hoare triple {3531#(and (<= (div __VERIFIER_assert_~cond 256) 0) (<= 1 __VERIFIER_assert_~cond))} assume 0 == ~cond % 256; {3482#false} is VALID [2022-02-20 21:11:04,313 INFO L290 TraceCheckUtils]: 62: Hoare triple {3482#false} assume !false; {3482#false} is VALID [2022-02-20 21:11:04,313 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-20 21:11:04,313 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:11:04,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756008310] [2022-02-20 21:11:04,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756008310] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:11:04,314 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:11:04,314 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-20 21:11:04,314 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733859506] [2022-02-20 21:11:04,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:11:04,314 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2022-02-20 21:11:04,315 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:11:04,315 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 10 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-02-20 21:11:04,369 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:04,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-20 21:11:04,369 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:11:04,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-20 21:11:04,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-02-20 21:11:04,370 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand has 10 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-02-20 21:11:05,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:05,179 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2022-02-20 21:11:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 21:11:05,180 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2022-02-20 21:11:05,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:11:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-02-20 21:11:05,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 67 transitions. [2022-02-20 21:11:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-02-20 21:11:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 67 transitions. [2022-02-20 21:11:05,183 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 67 transitions. [2022-02-20 21:11:05,252 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:05,253 INFO L225 Difference]: With dead ends: 80 [2022-02-20 21:11:05,253 INFO L226 Difference]: Without dead ends: 78 [2022-02-20 21:11:05,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-02-20 21:11:05,254 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 22 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 21:11:05,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 289 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 21:11:05,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-02-20 21:11:05,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2022-02-20 21:11:05,304 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:11:05,305 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand has 77 states, 52 states have (on average 1.1153846153846154) internal successors, (58), 55 states have internal predecessors, (58), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:05,305 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand has 77 states, 52 states have (on average 1.1153846153846154) internal successors, (58), 55 states have internal predecessors, (58), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:05,305 INFO L87 Difference]: Start difference. First operand 78 states. Second operand has 77 states, 52 states have (on average 1.1153846153846154) internal successors, (58), 55 states have internal predecessors, (58), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:05,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:05,308 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2022-02-20 21:11:05,308 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2022-02-20 21:11:05,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:05,308 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:05,309 INFO L74 IsIncluded]: Start isIncluded. First operand has 77 states, 52 states have (on average 1.1153846153846154) internal successors, (58), 55 states have internal predecessors, (58), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Second operand 78 states. [2022-02-20 21:11:05,309 INFO L87 Difference]: Start difference. First operand has 77 states, 52 states have (on average 1.1153846153846154) internal successors, (58), 55 states have internal predecessors, (58), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Second operand 78 states. [2022-02-20 21:11:05,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:05,311 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2022-02-20 21:11:05,311 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2022-02-20 21:11:05,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:05,312 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:05,312 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:11:05,312 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:11:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.1153846153846154) internal successors, (58), 55 states have internal predecessors, (58), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:05,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 85 transitions. [2022-02-20 21:11:05,315 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 85 transitions. Word has length 63 [2022-02-20 21:11:05,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:11:05,316 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 85 transitions. [2022-02-20 21:11:05,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-02-20 21:11:05,316 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2022-02-20 21:11:05,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-20 21:11:05,317 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:11:05,317 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2022-02-20 21:11:05,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 21:11:05,317 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:11:05,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:11:05,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1402703620, now seen corresponding path program 1 times [2022-02-20 21:11:05,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:11:05,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810206683] [2022-02-20 21:11:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:11:05,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:11:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:11:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:05,415 INFO L290 TraceCheckUtils]: 0: Hoare triple {3904#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,415 INFO L290 TraceCheckUtils]: 1: Hoare triple {3904#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,416 INFO L290 TraceCheckUtils]: 2: Hoare triple {3904#true} #t~short312 := #t~short309; {3904#true} is VALID [2022-02-20 21:11:05,416 INFO L290 TraceCheckUtils]: 3: Hoare triple {3904#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3904#true} is VALID [2022-02-20 21:11:05,416 INFO L290 TraceCheckUtils]: 4: Hoare triple {3904#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3904#true} is VALID [2022-02-20 21:11:05,416 INFO L290 TraceCheckUtils]: 5: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,417 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3904#true} {3906#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #80#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:11:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:05,426 INFO L290 TraceCheckUtils]: 0: Hoare triple {3904#true} ~cond := #in~cond; {3904#true} is VALID [2022-02-20 21:11:05,427 INFO L290 TraceCheckUtils]: 1: Hoare triple {3904#true} assume !(0 == ~cond % 256); {3904#true} is VALID [2022-02-20 21:11:05,427 INFO L290 TraceCheckUtils]: 2: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,428 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #82#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:11:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:05,438 INFO L290 TraceCheckUtils]: 0: Hoare triple {3904#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,439 INFO L290 TraceCheckUtils]: 1: Hoare triple {3904#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,439 INFO L290 TraceCheckUtils]: 2: Hoare triple {3904#true} #t~short312 := #t~short309; {3904#true} is VALID [2022-02-20 21:11:05,439 INFO L290 TraceCheckUtils]: 3: Hoare triple {3904#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3904#true} is VALID [2022-02-20 21:11:05,439 INFO L290 TraceCheckUtils]: 4: Hoare triple {3904#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3904#true} is VALID [2022-02-20 21:11:05,439 INFO L290 TraceCheckUtils]: 5: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,441 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #84#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 21:11:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:05,449 INFO L290 TraceCheckUtils]: 0: Hoare triple {3904#true} ~cond := #in~cond; {3904#true} is VALID [2022-02-20 21:11:05,449 INFO L290 TraceCheckUtils]: 1: Hoare triple {3904#true} assume !(0 == ~cond % 256); {3904#true} is VALID [2022-02-20 21:11:05,449 INFO L290 TraceCheckUtils]: 2: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,450 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #86#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-02-20 21:11:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:05,460 INFO L290 TraceCheckUtils]: 0: Hoare triple {3904#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,460 INFO L290 TraceCheckUtils]: 1: Hoare triple {3904#true} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,461 INFO L290 TraceCheckUtils]: 2: Hoare triple {3904#true} #t~short307 := #t~short304; {3904#true} is VALID [2022-02-20 21:11:05,461 INFO L290 TraceCheckUtils]: 3: Hoare triple {3904#true} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {3904#true} is VALID [2022-02-20 21:11:05,461 INFO L290 TraceCheckUtils]: 4: Hoare triple {3904#true} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {3904#true} is VALID [2022-02-20 21:11:05,461 INFO L290 TraceCheckUtils]: 5: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,462 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #88#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-02-20 21:11:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:05,470 INFO L290 TraceCheckUtils]: 0: Hoare triple {3904#true} ~cond := #in~cond; {3904#true} is VALID [2022-02-20 21:11:05,470 INFO L290 TraceCheckUtils]: 1: Hoare triple {3904#true} assume !(0 == ~cond % 256); {3904#true} is VALID [2022-02-20 21:11:05,470 INFO L290 TraceCheckUtils]: 2: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,471 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #90#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-02-20 21:11:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:05,480 INFO L290 TraceCheckUtils]: 0: Hoare triple {3904#true} ~cond := #in~cond; {3904#true} is VALID [2022-02-20 21:11:05,480 INFO L290 TraceCheckUtils]: 1: Hoare triple {3904#true} assume !(0 == ~cond % 256); {3904#true} is VALID [2022-02-20 21:11:05,480 INFO L290 TraceCheckUtils]: 2: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,481 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #92#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-02-20 21:11:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:05,543 INFO L290 TraceCheckUtils]: 0: Hoare triple {3904#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3952#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:11:05,544 INFO L290 TraceCheckUtils]: 1: Hoare triple {3952#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3953#(or |aws_linked_list_node_prev_is_valid_#t~short309| (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0))} is VALID [2022-02-20 21:11:05,545 INFO L290 TraceCheckUtils]: 2: Hoare triple {3953#(or |aws_linked_list_node_prev_is_valid_#t~short309| (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0))} #t~short312 := #t~short309; {3954#(or |aws_linked_list_node_prev_is_valid_#t~short312| (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0))} is VALID [2022-02-20 21:11:05,545 INFO L290 TraceCheckUtils]: 3: Hoare triple {3954#(or |aws_linked_list_node_prev_is_valid_#t~short312| (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0))} assume !#t~short312; {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} is VALID [2022-02-20 21:11:05,546 INFO L290 TraceCheckUtils]: 4: Hoare triple {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} is VALID [2022-02-20 21:11:05,546 INFO L290 TraceCheckUtils]: 5: Hoare triple {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} assume true; {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} is VALID [2022-02-20 21:11:05,548 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #94#return; {3905#false} is VALID [2022-02-20 21:11:05,548 INFO L290 TraceCheckUtils]: 0: Hoare triple {3904#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$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$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {3904#true} is VALID [2022-02-20 21:11:05,550 INFO L290 TraceCheckUtils]: 1: Hoare triple {3904#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {3906#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,550 INFO L272 TraceCheckUtils]: 2: Hoare triple {3906#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {3904#true} is VALID [2022-02-20 21:11:05,551 INFO L290 TraceCheckUtils]: 3: Hoare triple {3904#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,551 INFO L290 TraceCheckUtils]: 4: Hoare triple {3904#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,551 INFO L290 TraceCheckUtils]: 5: Hoare triple {3904#true} #t~short312 := #t~short309; {3904#true} is VALID [2022-02-20 21:11:05,551 INFO L290 TraceCheckUtils]: 6: Hoare triple {3904#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3904#true} is VALID [2022-02-20 21:11:05,551 INFO L290 TraceCheckUtils]: 7: Hoare triple {3904#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3904#true} is VALID [2022-02-20 21:11:05,551 INFO L290 TraceCheckUtils]: 8: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,553 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {3904#true} {3906#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #80#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,553 INFO L272 TraceCheckUtils]: 10: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {3904#true} is VALID [2022-02-20 21:11:05,554 INFO L290 TraceCheckUtils]: 11: Hoare triple {3904#true} ~cond := #in~cond; {3904#true} is VALID [2022-02-20 21:11:05,554 INFO L290 TraceCheckUtils]: 12: Hoare triple {3904#true} assume !(0 == ~cond % 256); {3904#true} is VALID [2022-02-20 21:11:05,554 INFO L290 TraceCheckUtils]: 13: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,555 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #82#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,555 INFO L290 TraceCheckUtils]: 15: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,555 INFO L272 TraceCheckUtils]: 16: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {3904#true} is VALID [2022-02-20 21:11:05,556 INFO L290 TraceCheckUtils]: 17: Hoare triple {3904#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,556 INFO L290 TraceCheckUtils]: 18: Hoare triple {3904#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,556 INFO L290 TraceCheckUtils]: 19: Hoare triple {3904#true} #t~short312 := #t~short309; {3904#true} is VALID [2022-02-20 21:11:05,556 INFO L290 TraceCheckUtils]: 20: Hoare triple {3904#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {3904#true} is VALID [2022-02-20 21:11:05,556 INFO L290 TraceCheckUtils]: 21: Hoare triple {3904#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3904#true} is VALID [2022-02-20 21:11:05,556 INFO L290 TraceCheckUtils]: 22: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,557 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #84#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,558 INFO L272 TraceCheckUtils]: 24: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {3904#true} is VALID [2022-02-20 21:11:05,558 INFO L290 TraceCheckUtils]: 25: Hoare triple {3904#true} ~cond := #in~cond; {3904#true} is VALID [2022-02-20 21:11:05,558 INFO L290 TraceCheckUtils]: 26: Hoare triple {3904#true} assume !(0 == ~cond % 256); {3904#true} is VALID [2022-02-20 21:11:05,558 INFO L290 TraceCheckUtils]: 27: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,559 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #86#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,559 INFO L290 TraceCheckUtils]: 29: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} havoc aws_linked_list_prev_#t~ret336#1; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,559 INFO L272 TraceCheckUtils]: 30: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} call aws_linked_list_prev_#t~ret337#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset); {3904#true} is VALID [2022-02-20 21:11:05,560 INFO L290 TraceCheckUtils]: 31: Hoare triple {3904#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,560 INFO L290 TraceCheckUtils]: 32: Hoare triple {3904#true} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {3904#true} is VALID [2022-02-20 21:11:05,560 INFO L290 TraceCheckUtils]: 33: Hoare triple {3904#true} #t~short307 := #t~short304; {3904#true} is VALID [2022-02-20 21:11:05,560 INFO L290 TraceCheckUtils]: 34: Hoare triple {3904#true} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {3904#true} is VALID [2022-02-20 21:11:05,560 INFO L290 TraceCheckUtils]: 35: Hoare triple {3904#true} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {3904#true} is VALID [2022-02-20 21:11:05,560 INFO L290 TraceCheckUtils]: 36: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,561 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #88#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,562 INFO L272 TraceCheckUtils]: 38: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret337#1); {3904#true} is VALID [2022-02-20 21:11:05,562 INFO L290 TraceCheckUtils]: 39: Hoare triple {3904#true} ~cond := #in~cond; {3904#true} is VALID [2022-02-20 21:11:05,562 INFO L290 TraceCheckUtils]: 40: Hoare triple {3904#true} assume !(0 == ~cond % 256); {3904#true} is VALID [2022-02-20 21:11:05,562 INFO L290 TraceCheckUtils]: 41: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,563 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #90#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,563 INFO L290 TraceCheckUtils]: 43: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} havoc aws_linked_list_prev_#t~ret337#1;call aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8); {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,563 INFO L272 TraceCheckUtils]: 44: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} call __VERIFIER_assert((if 0 == (if aws_linked_list_prev_~rval~5#1.base == aws_linked_list_prev_#t~mem338#1.base && aws_linked_list_prev_~rval~5#1.offset == aws_linked_list_prev_#t~mem338#1.offset then 1 else 0) then 0 else 1)); {3904#true} is VALID [2022-02-20 21:11:05,564 INFO L290 TraceCheckUtils]: 45: Hoare triple {3904#true} ~cond := #in~cond; {3904#true} is VALID [2022-02-20 21:11:05,564 INFO L290 TraceCheckUtils]: 46: Hoare triple {3904#true} assume !(0 == ~cond % 256); {3904#true} is VALID [2022-02-20 21:11:05,564 INFO L290 TraceCheckUtils]: 47: Hoare triple {3904#true} assume true; {3904#true} is VALID [2022-02-20 21:11:05,565 INFO L284 TraceCheckUtils]: 48: Hoare quadruple {3904#true} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #92#return; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,565 INFO L290 TraceCheckUtils]: 49: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} havoc aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset;aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset := aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,566 INFO L290 TraceCheckUtils]: 50: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset := aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;assume { :end_inline_aws_linked_list_prev } true;aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset := aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset; {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} is VALID [2022-02-20 21:11:05,566 INFO L272 TraceCheckUtils]: 51: Hoare triple {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} call aws_linked_list_prev_harness_#t~ret675#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset); {3904#true} is VALID [2022-02-20 21:11:05,566 INFO L290 TraceCheckUtils]: 52: Hoare triple {3904#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {3952#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} is VALID [2022-02-20 21:11:05,567 INFO L290 TraceCheckUtils]: 53: Hoare triple {3952#(and (<= aws_linked_list_node_prev_is_valid_~node.offset |aws_linked_list_node_prev_is_valid_#in~node.offset|) (= |aws_linked_list_node_prev_is_valid_#in~node.base| aws_linked_list_node_prev_is_valid_~node.base) (<= |aws_linked_list_node_prev_is_valid_#in~node.offset| aws_linked_list_node_prev_is_valid_~node.offset))} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {3953#(or |aws_linked_list_node_prev_is_valid_#t~short309| (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0))} is VALID [2022-02-20 21:11:05,568 INFO L290 TraceCheckUtils]: 54: Hoare triple {3953#(or |aws_linked_list_node_prev_is_valid_#t~short309| (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0))} #t~short312 := #t~short309; {3954#(or |aws_linked_list_node_prev_is_valid_#t~short312| (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0))} is VALID [2022-02-20 21:11:05,568 INFO L290 TraceCheckUtils]: 55: Hoare triple {3954#(or |aws_linked_list_node_prev_is_valid_#t~short312| (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0))} assume !#t~short312; {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} is VALID [2022-02-20 21:11:05,569 INFO L290 TraceCheckUtils]: 56: Hoare triple {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} is VALID [2022-02-20 21:11:05,569 INFO L290 TraceCheckUtils]: 57: Hoare triple {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} assume true; {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} is VALID [2022-02-20 21:11:05,570 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {3955#(= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_prev_is_valid_#in~node.base|) (+ |aws_linked_list_node_prev_is_valid_#in~node.offset| 8)) 0)} {3914#(and (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) 0)))} #94#return; {3905#false} is VALID [2022-02-20 21:11:05,571 INFO L272 TraceCheckUtils]: 59: Hoare triple {3905#false} call __VERIFIER_assert(aws_linked_list_prev_harness_#t~ret675#1); {3905#false} is VALID [2022-02-20 21:11:05,571 INFO L290 TraceCheckUtils]: 60: Hoare triple {3905#false} ~cond := #in~cond; {3905#false} is VALID [2022-02-20 21:11:05,571 INFO L290 TraceCheckUtils]: 61: Hoare triple {3905#false} assume 0 == ~cond % 256; {3905#false} is VALID [2022-02-20 21:11:05,571 INFO L290 TraceCheckUtils]: 62: Hoare triple {3905#false} assume !false; {3905#false} is VALID [2022-02-20 21:11:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-20 21:11:05,572 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:11:05,572 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810206683] [2022-02-20 21:11:05,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810206683] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:11:05,572 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:11:05,572 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 21:11:05,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782853318] [2022-02-20 21:11:05,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:11:05,573 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2022-02-20 21:11:05,573 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:11:05,574 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-02-20 21:11:05,634 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:05,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 21:11:05,634 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:11:05,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 21:11:05,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-20 21:11:05,635 INFO L87 Difference]: Start difference. First operand 77 states and 85 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-02-20 21:11:06,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:06,125 INFO L93 Difference]: Finished difference Result 107 states and 120 transitions. [2022-02-20 21:11:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 21:11:06,125 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2022-02-20 21:11:06,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:11:06,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-02-20 21:11:06,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 85 transitions. [2022-02-20 21:11:06,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-02-20 21:11:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 85 transitions. [2022-02-20 21:11:06,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 85 transitions. [2022-02-20 21:11:06,211 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:06,213 INFO L225 Difference]: With dead ends: 107 [2022-02-20 21:11:06,213 INFO L226 Difference]: Without dead ends: 80 [2022-02-20 21:11:06,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-02-20 21:11:06,214 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 26 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 21:11:06,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 151 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 21:11:06,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-02-20 21:11:06,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2022-02-20 21:11:06,254 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:11:06,255 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand has 79 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 57 states have internal predecessors, (60), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:06,255 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand has 79 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 57 states have internal predecessors, (60), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:06,255 INFO L87 Difference]: Start difference. First operand 80 states. Second operand has 79 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 57 states have internal predecessors, (60), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:06,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:06,258 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2022-02-20 21:11:06,258 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2022-02-20 21:11:06,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:06,258 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:06,258 INFO L74 IsIncluded]: Start isIncluded. First operand has 79 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 57 states have internal predecessors, (60), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Second operand 80 states. [2022-02-20 21:11:06,259 INFO L87 Difference]: Start difference. First operand has 79 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 57 states have internal predecessors, (60), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Second operand 80 states. [2022-02-20 21:11:06,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:06,260 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2022-02-20 21:11:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2022-02-20 21:11:06,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:06,261 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:06,261 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:11:06,261 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:11:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 57 states have internal predecessors, (60), 13 states have call successors, (13), 9 states have call predecessors, (13), 11 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2022-02-20 21:11:06,263 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 63 [2022-02-20 21:11:06,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:11:06,263 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2022-02-20 21:11:06,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-02-20 21:11:06,264 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2022-02-20 21:11:06,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-20 21:11:06,264 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:11:06,264 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:11:06,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-20 21:11:06,265 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:11:06,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:11:06,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1795730630, now seen corresponding path program 1 times [2022-02-20 21:11:06,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:11:06,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843558776] [2022-02-20 21:11:06,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:11:06,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:11:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:11:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:06,319 INFO L290 TraceCheckUtils]: 0: Hoare triple {4363#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,319 INFO L290 TraceCheckUtils]: 1: Hoare triple {4363#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,320 INFO L290 TraceCheckUtils]: 2: Hoare triple {4363#true} #t~short312 := #t~short309; {4363#true} is VALID [2022-02-20 21:11:06,320 INFO L290 TraceCheckUtils]: 3: Hoare triple {4363#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {4363#true} is VALID [2022-02-20 21:11:06,320 INFO L290 TraceCheckUtils]: 4: Hoare triple {4363#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4363#true} is VALID [2022-02-20 21:11:06,320 INFO L290 TraceCheckUtils]: 5: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,321 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #80#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:11:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:06,328 INFO L290 TraceCheckUtils]: 0: Hoare triple {4363#true} ~cond := #in~cond; {4363#true} is VALID [2022-02-20 21:11:06,328 INFO L290 TraceCheckUtils]: 1: Hoare triple {4363#true} assume !(0 == ~cond % 256); {4363#true} is VALID [2022-02-20 21:11:06,328 INFO L290 TraceCheckUtils]: 2: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,329 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #82#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:11:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:06,339 INFO L290 TraceCheckUtils]: 0: Hoare triple {4363#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,339 INFO L290 TraceCheckUtils]: 1: Hoare triple {4363#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,339 INFO L290 TraceCheckUtils]: 2: Hoare triple {4363#true} #t~short312 := #t~short309; {4363#true} is VALID [2022-02-20 21:11:06,339 INFO L290 TraceCheckUtils]: 3: Hoare triple {4363#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {4363#true} is VALID [2022-02-20 21:11:06,339 INFO L290 TraceCheckUtils]: 4: Hoare triple {4363#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4363#true} is VALID [2022-02-20 21:11:06,339 INFO L290 TraceCheckUtils]: 5: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,340 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #84#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 21:11:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:06,348 INFO L290 TraceCheckUtils]: 0: Hoare triple {4363#true} ~cond := #in~cond; {4363#true} is VALID [2022-02-20 21:11:06,348 INFO L290 TraceCheckUtils]: 1: Hoare triple {4363#true} assume !(0 == ~cond % 256); {4363#true} is VALID [2022-02-20 21:11:06,348 INFO L290 TraceCheckUtils]: 2: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,349 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #86#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-02-20 21:11:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:06,358 INFO L290 TraceCheckUtils]: 0: Hoare triple {4363#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,358 INFO L290 TraceCheckUtils]: 1: Hoare triple {4363#true} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,358 INFO L290 TraceCheckUtils]: 2: Hoare triple {4363#true} #t~short307 := #t~short304; {4363#true} is VALID [2022-02-20 21:11:06,358 INFO L290 TraceCheckUtils]: 3: Hoare triple {4363#true} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {4363#true} is VALID [2022-02-20 21:11:06,358 INFO L290 TraceCheckUtils]: 4: Hoare triple {4363#true} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {4363#true} is VALID [2022-02-20 21:11:06,359 INFO L290 TraceCheckUtils]: 5: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,359 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #88#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-02-20 21:11:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:06,367 INFO L290 TraceCheckUtils]: 0: Hoare triple {4363#true} ~cond := #in~cond; {4363#true} is VALID [2022-02-20 21:11:06,367 INFO L290 TraceCheckUtils]: 1: Hoare triple {4363#true} assume !(0 == ~cond % 256); {4363#true} is VALID [2022-02-20 21:11:06,367 INFO L290 TraceCheckUtils]: 2: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,371 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #90#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-02-20 21:11:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:06,379 INFO L290 TraceCheckUtils]: 0: Hoare triple {4363#true} ~cond := #in~cond; {4363#true} is VALID [2022-02-20 21:11:06,380 INFO L290 TraceCheckUtils]: 1: Hoare triple {4363#true} assume !(0 == ~cond % 256); {4363#true} is VALID [2022-02-20 21:11:06,380 INFO L290 TraceCheckUtils]: 2: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,381 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #92#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-02-20 21:11:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:06,429 INFO L290 TraceCheckUtils]: 0: Hoare triple {4363#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4410#(or |aws_linked_list_node_prev_is_valid_#t~short309| (and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0)))} is VALID [2022-02-20 21:11:06,430 INFO L290 TraceCheckUtils]: 1: Hoare triple {4410#(or |aws_linked_list_node_prev_is_valid_#t~short309| (and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0)))} assume !#t~short309; {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:06,430 INFO L290 TraceCheckUtils]: 2: Hoare triple {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} #t~short312 := #t~short309; {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:06,430 INFO L290 TraceCheckUtils]: 3: Hoare triple {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} assume !#t~short312; {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:06,431 INFO L290 TraceCheckUtils]: 4: Hoare triple {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:06,431 INFO L290 TraceCheckUtils]: 5: Hoare triple {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} assume true; {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:06,432 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #94#return; {4364#false} is VALID [2022-02-20 21:11:06,432 INFO L290 TraceCheckUtils]: 0: Hoare triple {4363#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(31, 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$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {4363#true} is VALID [2022-02-20 21:11:06,433 INFO L290 TraceCheckUtils]: 1: Hoare triple {4363#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,433 INFO L272 TraceCheckUtils]: 2: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {4363#true} is VALID [2022-02-20 21:11:06,433 INFO L290 TraceCheckUtils]: 3: Hoare triple {4363#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,433 INFO L290 TraceCheckUtils]: 4: Hoare triple {4363#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,433 INFO L290 TraceCheckUtils]: 5: Hoare triple {4363#true} #t~short312 := #t~short309; {4363#true} is VALID [2022-02-20 21:11:06,433 INFO L290 TraceCheckUtils]: 6: Hoare triple {4363#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {4363#true} is VALID [2022-02-20 21:11:06,433 INFO L290 TraceCheckUtils]: 7: Hoare triple {4363#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4363#true} is VALID [2022-02-20 21:11:06,433 INFO L290 TraceCheckUtils]: 8: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,434 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #80#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,434 INFO L272 TraceCheckUtils]: 10: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {4363#true} is VALID [2022-02-20 21:11:06,434 INFO L290 TraceCheckUtils]: 11: Hoare triple {4363#true} ~cond := #in~cond; {4363#true} is VALID [2022-02-20 21:11:06,435 INFO L290 TraceCheckUtils]: 12: Hoare triple {4363#true} assume !(0 == ~cond % 256); {4363#true} is VALID [2022-02-20 21:11:06,435 INFO L290 TraceCheckUtils]: 13: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,435 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #82#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,436 INFO L290 TraceCheckUtils]: 15: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,436 INFO L272 TraceCheckUtils]: 16: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {4363#true} is VALID [2022-02-20 21:11:06,436 INFO L290 TraceCheckUtils]: 17: Hoare triple {4363#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,436 INFO L290 TraceCheckUtils]: 18: Hoare triple {4363#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,436 INFO L290 TraceCheckUtils]: 19: Hoare triple {4363#true} #t~short312 := #t~short309; {4363#true} is VALID [2022-02-20 21:11:06,436 INFO L290 TraceCheckUtils]: 20: Hoare triple {4363#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {4363#true} is VALID [2022-02-20 21:11:06,436 INFO L290 TraceCheckUtils]: 21: Hoare triple {4363#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4363#true} is VALID [2022-02-20 21:11:06,436 INFO L290 TraceCheckUtils]: 22: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,437 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #84#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,437 INFO L272 TraceCheckUtils]: 24: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {4363#true} is VALID [2022-02-20 21:11:06,437 INFO L290 TraceCheckUtils]: 25: Hoare triple {4363#true} ~cond := #in~cond; {4363#true} is VALID [2022-02-20 21:11:06,437 INFO L290 TraceCheckUtils]: 26: Hoare triple {4363#true} assume !(0 == ~cond % 256); {4363#true} is VALID [2022-02-20 21:11:06,437 INFO L290 TraceCheckUtils]: 27: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,438 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #86#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,438 INFO L290 TraceCheckUtils]: 29: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} havoc aws_linked_list_prev_#t~ret336#1; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,438 INFO L272 TraceCheckUtils]: 30: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} call aws_linked_list_prev_#t~ret337#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset); {4363#true} is VALID [2022-02-20 21:11:06,438 INFO L290 TraceCheckUtils]: 31: Hoare triple {4363#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,439 INFO L290 TraceCheckUtils]: 32: Hoare triple {4363#true} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {4363#true} is VALID [2022-02-20 21:11:06,439 INFO L290 TraceCheckUtils]: 33: Hoare triple {4363#true} #t~short307 := #t~short304; {4363#true} is VALID [2022-02-20 21:11:06,439 INFO L290 TraceCheckUtils]: 34: Hoare triple {4363#true} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {4363#true} is VALID [2022-02-20 21:11:06,439 INFO L290 TraceCheckUtils]: 35: Hoare triple {4363#true} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {4363#true} is VALID [2022-02-20 21:11:06,439 INFO L290 TraceCheckUtils]: 36: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,440 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #88#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,440 INFO L272 TraceCheckUtils]: 38: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret337#1); {4363#true} is VALID [2022-02-20 21:11:06,440 INFO L290 TraceCheckUtils]: 39: Hoare triple {4363#true} ~cond := #in~cond; {4363#true} is VALID [2022-02-20 21:11:06,440 INFO L290 TraceCheckUtils]: 40: Hoare triple {4363#true} assume !(0 == ~cond % 256); {4363#true} is VALID [2022-02-20 21:11:06,440 INFO L290 TraceCheckUtils]: 41: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,441 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #90#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,441 INFO L290 TraceCheckUtils]: 43: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} havoc aws_linked_list_prev_#t~ret337#1;call aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8); {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,441 INFO L272 TraceCheckUtils]: 44: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} call __VERIFIER_assert((if 0 == (if aws_linked_list_prev_~rval~5#1.base == aws_linked_list_prev_#t~mem338#1.base && aws_linked_list_prev_~rval~5#1.offset == aws_linked_list_prev_#t~mem338#1.offset then 1 else 0) then 0 else 1)); {4363#true} is VALID [2022-02-20 21:11:06,441 INFO L290 TraceCheckUtils]: 45: Hoare triple {4363#true} ~cond := #in~cond; {4363#true} is VALID [2022-02-20 21:11:06,441 INFO L290 TraceCheckUtils]: 46: Hoare triple {4363#true} assume !(0 == ~cond % 256); {4363#true} is VALID [2022-02-20 21:11:06,442 INFO L290 TraceCheckUtils]: 47: Hoare triple {4363#true} assume true; {4363#true} is VALID [2022-02-20 21:11:06,442 INFO L284 TraceCheckUtils]: 48: Hoare quadruple {4363#true} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #92#return; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,443 INFO L290 TraceCheckUtils]: 49: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} havoc aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset;aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset := aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,443 INFO L290 TraceCheckUtils]: 50: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset := aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;assume { :end_inline_aws_linked_list_prev } true;aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset := aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset; {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} is VALID [2022-02-20 21:11:06,443 INFO L272 TraceCheckUtils]: 51: Hoare triple {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} call aws_linked_list_prev_harness_#t~ret675#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset); {4363#true} is VALID [2022-02-20 21:11:06,444 INFO L290 TraceCheckUtils]: 52: Hoare triple {4363#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4410#(or |aws_linked_list_node_prev_is_valid_#t~short309| (and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0)))} is VALID [2022-02-20 21:11:06,444 INFO L290 TraceCheckUtils]: 53: Hoare triple {4410#(or |aws_linked_list_node_prev_is_valid_#t~short309| (and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0)))} assume !#t~short309; {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:06,445 INFO L290 TraceCheckUtils]: 54: Hoare triple {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} #t~short312 := #t~short309; {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:06,445 INFO L290 TraceCheckUtils]: 55: Hoare triple {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} assume !#t~short312; {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:06,445 INFO L290 TraceCheckUtils]: 56: Hoare triple {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:06,446 INFO L290 TraceCheckUtils]: 57: Hoare triple {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} assume true; {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} is VALID [2022-02-20 21:11:06,447 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {4411#(and (<= 0 |aws_linked_list_node_prev_is_valid_#in~node.base|) (<= |aws_linked_list_node_prev_is_valid_#in~node.base| 0))} {4365#(not (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base| 0))} #94#return; {4364#false} is VALID [2022-02-20 21:11:06,447 INFO L272 TraceCheckUtils]: 59: Hoare triple {4364#false} call __VERIFIER_assert(aws_linked_list_prev_harness_#t~ret675#1); {4364#false} is VALID [2022-02-20 21:11:06,447 INFO L290 TraceCheckUtils]: 60: Hoare triple {4364#false} ~cond := #in~cond; {4364#false} is VALID [2022-02-20 21:11:06,447 INFO L290 TraceCheckUtils]: 61: Hoare triple {4364#false} assume 0 == ~cond % 256; {4364#false} is VALID [2022-02-20 21:11:06,447 INFO L290 TraceCheckUtils]: 62: Hoare triple {4364#false} assume !false; {4364#false} is VALID [2022-02-20 21:11:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-20 21:11:06,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:11:06,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843558776] [2022-02-20 21:11:06,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843558776] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:11:06,448 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:11:06,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 21:11:06,448 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996042408] [2022-02-20 21:11:06,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:11:06,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 63 [2022-02-20 21:11:06,449 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:11:06,449 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-02-20 21:11:06,495 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:06,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 21:11:06,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:11:06,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 21:11:06,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-20 21:11:06,496 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-02-20 21:11:06,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:06,693 INFO L93 Difference]: Finished difference Result 110 states and 121 transitions. [2022-02-20 21:11:06,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 21:11:06,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 63 [2022-02-20 21:11:06,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:11:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-02-20 21:11:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 83 transitions. [2022-02-20 21:11:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-02-20 21:11:06,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 83 transitions. [2022-02-20 21:11:06,696 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 83 transitions. [2022-02-20 21:11:06,756 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 21:11:06,757 INFO L225 Difference]: With dead ends: 110 [2022-02-20 21:11:06,758 INFO L226 Difference]: Without dead ends: 73 [2022-02-20 21:11:06,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-20 21:11:06,759 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 8 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 21:11:06,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 193 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:11:06,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-02-20 21:11:06,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-02-20 21:11:06,799 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:11:06,799 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand has 73 states, 50 states have (on average 1.08) internal successors, (54), 52 states have internal predecessors, (54), 12 states have call successors, (12), 9 states have call predecessors, (12), 10 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:06,799 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand has 73 states, 50 states have (on average 1.08) internal successors, (54), 52 states have internal predecessors, (54), 12 states have call successors, (12), 9 states have call predecessors, (12), 10 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:06,799 INFO L87 Difference]: Start difference. First operand 73 states. Second operand has 73 states, 50 states have (on average 1.08) internal successors, (54), 52 states have internal predecessors, (54), 12 states have call successors, (12), 9 states have call predecessors, (12), 10 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:06,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:06,801 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions. [2022-02-20 21:11:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2022-02-20 21:11:06,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:06,802 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:06,802 INFO L74 IsIncluded]: Start isIncluded. First operand has 73 states, 50 states have (on average 1.08) internal successors, (54), 52 states have internal predecessors, (54), 12 states have call successors, (12), 9 states have call predecessors, (12), 10 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Second operand 73 states. [2022-02-20 21:11:06,802 INFO L87 Difference]: Start difference. First operand has 73 states, 50 states have (on average 1.08) internal successors, (54), 52 states have internal predecessors, (54), 12 states have call successors, (12), 9 states have call predecessors, (12), 10 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Second operand 73 states. [2022-02-20 21:11:06,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:06,804 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions. [2022-02-20 21:11:06,804 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2022-02-20 21:11:06,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:06,804 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:06,804 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:11:06,805 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:11:06,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 50 states have (on average 1.08) internal successors, (54), 52 states have internal predecessors, (54), 12 states have call successors, (12), 9 states have call predecessors, (12), 10 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-02-20 21:11:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2022-02-20 21:11:06,806 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 78 transitions. Word has length 63 [2022-02-20 21:11:06,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:11:06,807 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 78 transitions. [2022-02-20 21:11:06,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-02-20 21:11:06,807 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2022-02-20 21:11:06,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-20 21:11:06,808 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:11:06,808 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:11:06,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 21:11:06,809 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:11:06,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:11:06,809 INFO L85 PathProgramCache]: Analyzing trace with hash 180273006, now seen corresponding path program 1 times [2022-02-20 21:11:06,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:11:06,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350280257] [2022-02-20 21:11:06,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:11:06,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:11:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:11:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:07,176 INFO L290 TraceCheckUtils]: 0: Hoare triple {4795#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,176 INFO L290 TraceCheckUtils]: 1: Hoare triple {4795#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,176 INFO L290 TraceCheckUtils]: 2: Hoare triple {4795#true} #t~short312 := #t~short309; {4795#true} is VALID [2022-02-20 21:11:07,177 INFO L290 TraceCheckUtils]: 3: Hoare triple {4795#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {4795#true} is VALID [2022-02-20 21:11:07,177 INFO L290 TraceCheckUtils]: 4: Hoare triple {4795#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4795#true} is VALID [2022-02-20 21:11:07,177 INFO L290 TraceCheckUtils]: 5: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,178 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {4795#true} {4797#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #80#return; {4805#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:11:07,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:11:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:07,186 INFO L290 TraceCheckUtils]: 0: Hoare triple {4795#true} ~cond := #in~cond; {4795#true} is VALID [2022-02-20 21:11:07,186 INFO L290 TraceCheckUtils]: 1: Hoare triple {4795#true} assume !(0 == ~cond % 256); {4795#true} is VALID [2022-02-20 21:11:07,186 INFO L290 TraceCheckUtils]: 2: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,187 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4795#true} {4805#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #82#return; {4805#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:11:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:11:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:07,197 INFO L290 TraceCheckUtils]: 0: Hoare triple {4795#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,197 INFO L290 TraceCheckUtils]: 1: Hoare triple {4795#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,197 INFO L290 TraceCheckUtils]: 2: Hoare triple {4795#true} #t~short312 := #t~short309; {4795#true} is VALID [2022-02-20 21:11:07,197 INFO L290 TraceCheckUtils]: 3: Hoare triple {4795#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {4795#true} is VALID [2022-02-20 21:11:07,198 INFO L290 TraceCheckUtils]: 4: Hoare triple {4795#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4795#true} is VALID [2022-02-20 21:11:07,198 INFO L290 TraceCheckUtils]: 5: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,206 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {4795#true} {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #84#return; {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:07,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 21:11:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:07,215 INFO L290 TraceCheckUtils]: 0: Hoare triple {4795#true} ~cond := #in~cond; {4795#true} is VALID [2022-02-20 21:11:07,215 INFO L290 TraceCheckUtils]: 1: Hoare triple {4795#true} assume !(0 == ~cond % 256); {4795#true} is VALID [2022-02-20 21:11:07,215 INFO L290 TraceCheckUtils]: 2: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,216 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4795#true} {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #86#return; {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:07,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-02-20 21:11:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:07,226 INFO L290 TraceCheckUtils]: 0: Hoare triple {4795#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,226 INFO L290 TraceCheckUtils]: 1: Hoare triple {4795#true} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,226 INFO L290 TraceCheckUtils]: 2: Hoare triple {4795#true} #t~short307 := #t~short304; {4795#true} is VALID [2022-02-20 21:11:07,226 INFO L290 TraceCheckUtils]: 3: Hoare triple {4795#true} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {4795#true} is VALID [2022-02-20 21:11:07,226 INFO L290 TraceCheckUtils]: 4: Hoare triple {4795#true} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {4795#true} is VALID [2022-02-20 21:11:07,227 INFO L290 TraceCheckUtils]: 5: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,228 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {4795#true} {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #88#return; {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:07,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-02-20 21:11:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:07,235 INFO L290 TraceCheckUtils]: 0: Hoare triple {4795#true} ~cond := #in~cond; {4795#true} is VALID [2022-02-20 21:11:07,235 INFO L290 TraceCheckUtils]: 1: Hoare triple {4795#true} assume !(0 == ~cond % 256); {4795#true} is VALID [2022-02-20 21:11:07,236 INFO L290 TraceCheckUtils]: 2: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,236 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4795#true} {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #90#return; {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:07,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-02-20 21:11:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:07,245 INFO L290 TraceCheckUtils]: 0: Hoare triple {4795#true} ~cond := #in~cond; {4795#true} is VALID [2022-02-20 21:11:07,245 INFO L290 TraceCheckUtils]: 1: Hoare triple {4795#true} assume !(0 == ~cond % 256); {4795#true} is VALID [2022-02-20 21:11:07,245 INFO L290 TraceCheckUtils]: 2: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,246 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4795#true} {4833#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} #92#return; {4833#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} is VALID [2022-02-20 21:11:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-02-20 21:11:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:07,257 INFO L290 TraceCheckUtils]: 0: Hoare triple {4795#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,258 INFO L290 TraceCheckUtils]: 1: Hoare triple {4795#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,258 INFO L290 TraceCheckUtils]: 2: Hoare triple {4795#true} #t~short312 := #t~short309; {4795#true} is VALID [2022-02-20 21:11:07,258 INFO L290 TraceCheckUtils]: 3: Hoare triple {4795#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {4795#true} is VALID [2022-02-20 21:11:07,258 INFO L290 TraceCheckUtils]: 4: Hoare triple {4795#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4795#true} is VALID [2022-02-20 21:11:07,258 INFO L290 TraceCheckUtils]: 5: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,259 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {4795#true} {4839#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0))} #94#return; {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} is VALID [2022-02-20 21:11:07,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-02-20 21:11:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:07,268 INFO L290 TraceCheckUtils]: 0: Hoare triple {4795#true} ~cond := #in~cond; {4795#true} is VALID [2022-02-20 21:11:07,268 INFO L290 TraceCheckUtils]: 1: Hoare triple {4795#true} assume !(0 == ~cond % 256); {4795#true} is VALID [2022-02-20 21:11:07,268 INFO L290 TraceCheckUtils]: 2: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,269 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4795#true} {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} #96#return; {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} is VALID [2022-02-20 21:11:07,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-02-20 21:11:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:07,376 INFO L290 TraceCheckUtils]: 0: Hoare triple {4795#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:11:07,377 INFO L290 TraceCheckUtils]: 1: Hoare triple {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:11:07,377 INFO L290 TraceCheckUtils]: 2: Hoare triple {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} #t~short307 := #t~short304; {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:11:07,378 INFO L290 TraceCheckUtils]: 3: Hoare triple {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {4863#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))) |aws_linked_list_node_next_is_valid_#t~short307|)} is VALID [2022-02-20 21:11:07,379 INFO L290 TraceCheckUtils]: 4: Hoare triple {4863#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))) |aws_linked_list_node_next_is_valid_#t~short307|)} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {4864#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} is VALID [2022-02-20 21:11:07,380 INFO L290 TraceCheckUtils]: 5: Hoare triple {4864#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} assume true; {4864#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} is VALID [2022-02-20 21:11:07,381 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {4864#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} #98#return; {4859#(and (<= 1 |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret676#1|) (<= |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret676#1| 1))} is VALID [2022-02-20 21:11:07,381 INFO L290 TraceCheckUtils]: 0: Hoare triple {4795#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$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$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {4795#true} is VALID [2022-02-20 21:11:07,383 INFO L290 TraceCheckUtils]: 1: Hoare triple {4795#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {4797#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:11:07,384 INFO L272 TraceCheckUtils]: 2: Hoare triple {4797#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {4795#true} is VALID [2022-02-20 21:11:07,384 INFO L290 TraceCheckUtils]: 3: Hoare triple {4795#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,384 INFO L290 TraceCheckUtils]: 4: Hoare triple {4795#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,384 INFO L290 TraceCheckUtils]: 5: Hoare triple {4795#true} #t~short312 := #t~short309; {4795#true} is VALID [2022-02-20 21:11:07,384 INFO L290 TraceCheckUtils]: 6: Hoare triple {4795#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {4795#true} is VALID [2022-02-20 21:11:07,384 INFO L290 TraceCheckUtils]: 7: Hoare triple {4795#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4795#true} is VALID [2022-02-20 21:11:07,384 INFO L290 TraceCheckUtils]: 8: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,386 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {4795#true} {4797#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.base| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.base|) (= (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #80#return; {4805#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:11:07,386 INFO L272 TraceCheckUtils]: 10: Hoare triple {4805#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {4795#true} is VALID [2022-02-20 21:11:07,386 INFO L290 TraceCheckUtils]: 11: Hoare triple {4795#true} ~cond := #in~cond; {4795#true} is VALID [2022-02-20 21:11:07,386 INFO L290 TraceCheckUtils]: 12: Hoare triple {4795#true} assume !(0 == ~cond % 256); {4795#true} is VALID [2022-02-20 21:11:07,386 INFO L290 TraceCheckUtils]: 13: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,387 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {4795#true} {4805#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} #82#return; {4805#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} is VALID [2022-02-20 21:11:07,388 INFO L290 TraceCheckUtils]: 15: Hoare triple {4805#(and (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0))} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:07,388 INFO L272 TraceCheckUtils]: 16: Hoare triple {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {4795#true} is VALID [2022-02-20 21:11:07,388 INFO L290 TraceCheckUtils]: 17: Hoare triple {4795#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,388 INFO L290 TraceCheckUtils]: 18: Hoare triple {4795#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,388 INFO L290 TraceCheckUtils]: 19: Hoare triple {4795#true} #t~short312 := #t~short309; {4795#true} is VALID [2022-02-20 21:11:07,388 INFO L290 TraceCheckUtils]: 20: Hoare triple {4795#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {4795#true} is VALID [2022-02-20 21:11:07,389 INFO L290 TraceCheckUtils]: 21: Hoare triple {4795#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4795#true} is VALID [2022-02-20 21:11:07,389 INFO L290 TraceCheckUtils]: 22: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,390 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {4795#true} {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #84#return; {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:07,390 INFO L272 TraceCheckUtils]: 24: Hoare triple {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {4795#true} is VALID [2022-02-20 21:11:07,390 INFO L290 TraceCheckUtils]: 25: Hoare triple {4795#true} ~cond := #in~cond; {4795#true} is VALID [2022-02-20 21:11:07,390 INFO L290 TraceCheckUtils]: 26: Hoare triple {4795#true} assume !(0 == ~cond % 256); {4795#true} is VALID [2022-02-20 21:11:07,390 INFO L290 TraceCheckUtils]: 27: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,391 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {4795#true} {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #86#return; {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:07,392 INFO L290 TraceCheckUtils]: 29: Hoare triple {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} havoc aws_linked_list_prev_#t~ret336#1; {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:07,392 INFO L272 TraceCheckUtils]: 30: Hoare triple {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} call aws_linked_list_prev_#t~ret337#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset); {4795#true} is VALID [2022-02-20 21:11:07,392 INFO L290 TraceCheckUtils]: 31: Hoare triple {4795#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,392 INFO L290 TraceCheckUtils]: 32: Hoare triple {4795#true} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,392 INFO L290 TraceCheckUtils]: 33: Hoare triple {4795#true} #t~short307 := #t~short304; {4795#true} is VALID [2022-02-20 21:11:07,392 INFO L290 TraceCheckUtils]: 34: Hoare triple {4795#true} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {4795#true} is VALID [2022-02-20 21:11:07,392 INFO L290 TraceCheckUtils]: 35: Hoare triple {4795#true} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {4795#true} is VALID [2022-02-20 21:11:07,393 INFO L290 TraceCheckUtils]: 36: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,393 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {4795#true} {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #88#return; {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:07,394 INFO L272 TraceCheckUtils]: 38: Hoare triple {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret337#1); {4795#true} is VALID [2022-02-20 21:11:07,394 INFO L290 TraceCheckUtils]: 39: Hoare triple {4795#true} ~cond := #in~cond; {4795#true} is VALID [2022-02-20 21:11:07,394 INFO L290 TraceCheckUtils]: 40: Hoare triple {4795#true} assume !(0 == ~cond % 256); {4795#true} is VALID [2022-02-20 21:11:07,394 INFO L290 TraceCheckUtils]: 41: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,395 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {4795#true} {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} #90#return; {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} is VALID [2022-02-20 21:11:07,396 INFO L290 TraceCheckUtils]: 43: Hoare triple {4810#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 0) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~node#1.base|) (+ |ULTIMATE.start_aws_linked_list_prev_~node#1.offset| 8))))} havoc aws_linked_list_prev_#t~ret337#1;call aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8); {4833#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} is VALID [2022-02-20 21:11:07,396 INFO L272 TraceCheckUtils]: 44: Hoare triple {4833#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} call __VERIFIER_assert((if 0 == (if aws_linked_list_prev_~rval~5#1.base == aws_linked_list_prev_#t~mem338#1.base && aws_linked_list_prev_~rval~5#1.offset == aws_linked_list_prev_#t~mem338#1.offset then 1 else 0) then 0 else 1)); {4795#true} is VALID [2022-02-20 21:11:07,396 INFO L290 TraceCheckUtils]: 45: Hoare triple {4795#true} ~cond := #in~cond; {4795#true} is VALID [2022-02-20 21:11:07,396 INFO L290 TraceCheckUtils]: 46: Hoare triple {4795#true} assume !(0 == ~cond % 256); {4795#true} is VALID [2022-02-20 21:11:07,396 INFO L290 TraceCheckUtils]: 47: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,397 INFO L284 TraceCheckUtils]: 48: Hoare quadruple {4795#true} {4833#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} #92#return; {4833#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} is VALID [2022-02-20 21:11:07,398 INFO L290 TraceCheckUtils]: 49: Hoare triple {4833#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|)) 8)))} havoc aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset;aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset := aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset; {4838#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|) 0))} is VALID [2022-02-20 21:11:07,399 INFO L290 TraceCheckUtils]: 50: Hoare triple {4838#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8)) |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|) 0))} aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset := aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;assume { :end_inline_aws_linked_list_prev } true;aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset := aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset; {4839#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0))} is VALID [2022-02-20 21:11:07,399 INFO L272 TraceCheckUtils]: 51: Hoare triple {4839#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0))} call aws_linked_list_prev_harness_#t~ret675#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset); {4795#true} is VALID [2022-02-20 21:11:07,399 INFO L290 TraceCheckUtils]: 52: Hoare triple {4795#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,399 INFO L290 TraceCheckUtils]: 53: Hoare triple {4795#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {4795#true} is VALID [2022-02-20 21:11:07,399 INFO L290 TraceCheckUtils]: 54: Hoare triple {4795#true} #t~short312 := #t~short309; {4795#true} is VALID [2022-02-20 21:11:07,399 INFO L290 TraceCheckUtils]: 55: Hoare triple {4795#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {4795#true} is VALID [2022-02-20 21:11:07,399 INFO L290 TraceCheckUtils]: 56: Hoare triple {4795#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {4795#true} is VALID [2022-02-20 21:11:07,399 INFO L290 TraceCheckUtils]: 57: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,401 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {4795#true} {4839#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) (+ |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 8))) (= |ULTIMATE.start_aws_linked_list_prev_harness_~#node~1#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0))} #94#return; {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} is VALID [2022-02-20 21:11:07,401 INFO L272 TraceCheckUtils]: 59: Hoare triple {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} call __VERIFIER_assert(aws_linked_list_prev_harness_#t~ret675#1); {4795#true} is VALID [2022-02-20 21:11:07,401 INFO L290 TraceCheckUtils]: 60: Hoare triple {4795#true} ~cond := #in~cond; {4795#true} is VALID [2022-02-20 21:11:07,401 INFO L290 TraceCheckUtils]: 61: Hoare triple {4795#true} assume !(0 == ~cond % 256); {4795#true} is VALID [2022-02-20 21:11:07,401 INFO L290 TraceCheckUtils]: 62: Hoare triple {4795#true} assume true; {4795#true} is VALID [2022-02-20 21:11:07,401 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {4795#true} {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} #96#return; {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} is VALID [2022-02-20 21:11:07,402 INFO L290 TraceCheckUtils]: 64: Hoare triple {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} havoc aws_linked_list_prev_harness_#t~ret675#1; {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} is VALID [2022-02-20 21:11:07,402 INFO L272 TraceCheckUtils]: 65: Hoare triple {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} call aws_linked_list_prev_harness_#t~ret676#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset); {4795#true} is VALID [2022-02-20 21:11:07,402 INFO L290 TraceCheckUtils]: 66: Hoare triple {4795#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:11:07,403 INFO L290 TraceCheckUtils]: 67: Hoare triple {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:11:07,403 INFO L290 TraceCheckUtils]: 68: Hoare triple {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} #t~short307 := #t~short304; {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:11:07,404 INFO L290 TraceCheckUtils]: 69: Hoare triple {4862#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {4863#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))) |aws_linked_list_node_next_is_valid_#t~short307|)} is VALID [2022-02-20 21:11:07,405 INFO L290 TraceCheckUtils]: 70: Hoare triple {4863#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))) |aws_linked_list_node_next_is_valid_#t~short307|)} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {4864#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} is VALID [2022-02-20 21:11:07,405 INFO L290 TraceCheckUtils]: 71: Hoare triple {4864#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} assume true; {4864#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} is VALID [2022-02-20 21:11:07,406 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {4864#(or (and (<= |aws_linked_list_node_next_is_valid_#res| 1) (<= 1 |aws_linked_list_node_next_is_valid_#res|)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8) |aws_linked_list_node_next_is_valid_#in~node.base|)) (not (= |aws_linked_list_node_next_is_valid_#in~node.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|)) 8))))} {4847#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0) (= |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|)) 8)))} #98#return; {4859#(and (<= 1 |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret676#1|) (<= |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret676#1| 1))} is VALID [2022-02-20 21:11:07,407 INFO L272 TraceCheckUtils]: 73: Hoare triple {4859#(and (<= 1 |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret676#1|) (<= |ULTIMATE.start_aws_linked_list_prev_harness_#t~ret676#1| 1))} call __VERIFIER_assert(aws_linked_list_prev_harness_#t~ret676#1); {4860#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} is VALID [2022-02-20 21:11:07,408 INFO L290 TraceCheckUtils]: 74: Hoare triple {4860#(and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1))} ~cond := #in~cond; {4861#(and (<= (div __VERIFIER_assert_~cond 256) 0) (<= 1 __VERIFIER_assert_~cond))} is VALID [2022-02-20 21:11:07,408 INFO L290 TraceCheckUtils]: 75: Hoare triple {4861#(and (<= (div __VERIFIER_assert_~cond 256) 0) (<= 1 __VERIFIER_assert_~cond))} assume 0 == ~cond % 256; {4796#false} is VALID [2022-02-20 21:11:07,409 INFO L290 TraceCheckUtils]: 76: Hoare triple {4796#false} assume !false; {4796#false} is VALID [2022-02-20 21:11:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-02-20 21:11:07,409 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:11:07,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350280257] [2022-02-20 21:11:07,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350280257] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:11:07,410 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:11:07,410 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-02-20 21:11:07,410 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529236204] [2022-02-20 21:11:07,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:11:07,411 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 7 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) Word has length 77 [2022-02-20 21:11:07,411 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:11:07,411 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 15 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 7 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2022-02-20 21:11:07,464 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:07,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-20 21:11:07,464 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:11:07,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-20 21:11:07,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-02-20 21:11:07,465 INFO L87 Difference]: Start difference. First operand 73 states and 78 transitions. Second operand has 15 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 7 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2022-02-20 21:11:08,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:08,897 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2022-02-20 21:11:08,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 21:11:08,898 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 7 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) Word has length 77 [2022-02-20 21:11:08,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:11:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 7 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2022-02-20 21:11:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 65 transitions. [2022-02-20 21:11:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 7 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2022-02-20 21:11:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 65 transitions. [2022-02-20 21:11:08,901 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 65 transitions. [2022-02-20 21:11:08,992 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:11:08,993 INFO L225 Difference]: With dead ends: 84 [2022-02-20 21:11:08,993 INFO L226 Difference]: Without dead ends: 82 [2022-02-20 21:11:08,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2022-02-20 21:11:08,994 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 42 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 21:11:08,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 321 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 21:11:08,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-02-20 21:11:09,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2022-02-20 21:11:09,039 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:11:09,040 INFO L82 GeneralOperation]: Start isEquivalent. First operand 82 states. Second operand has 81 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 58 states have internal predecessors, (59), 13 states have call successors, (13), 10 states have call predecessors, (13), 12 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:09,040 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand has 81 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 58 states have internal predecessors, (59), 13 states have call successors, (13), 10 states have call predecessors, (13), 12 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:09,040 INFO L87 Difference]: Start difference. First operand 82 states. Second operand has 81 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 58 states have internal predecessors, (59), 13 states have call successors, (13), 10 states have call predecessors, (13), 12 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:09,042 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2022-02-20 21:11:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2022-02-20 21:11:09,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:09,043 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:09,043 INFO L74 IsIncluded]: Start isIncluded. First operand has 81 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 58 states have internal predecessors, (59), 13 states have call successors, (13), 10 states have call predecessors, (13), 12 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Second operand 82 states. [2022-02-20 21:11:09,043 INFO L87 Difference]: Start difference. First operand has 81 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 58 states have internal predecessors, (59), 13 states have call successors, (13), 10 states have call predecessors, (13), 12 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) Second operand 82 states. [2022-02-20 21:11:09,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:11:09,045 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2022-02-20 21:11:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2022-02-20 21:11:09,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:11:09,046 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:11:09,046 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:11:09,046 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:11:09,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 58 states have internal predecessors, (59), 13 states have call successors, (13), 10 states have call predecessors, (13), 12 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-02-20 21:11:09,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2022-02-20 21:11:09,048 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 77 [2022-02-20 21:11:09,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:11:09,048 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2022-02-20 21:11:09,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 7 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2022-02-20 21:11:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2022-02-20 21:11:09,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-20 21:11:09,049 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:11:09,049 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 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] [2022-02-20 21:11:09,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 21:11:09,049 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:11:09,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:11:09,050 INFO L85 PathProgramCache]: Analyzing trace with hash -629073620, now seen corresponding path program 1 times [2022-02-20 21:11:09,050 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:11:09,050 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813601432] [2022-02-20 21:11:09,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:11:09,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:11:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:11:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,128 INFO L290 TraceCheckUtils]: 0: Hoare triple {5258#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,128 INFO L290 TraceCheckUtils]: 1: Hoare triple {5258#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,129 INFO L290 TraceCheckUtils]: 2: Hoare triple {5258#true} #t~short312 := #t~short309; {5258#true} is VALID [2022-02-20 21:11:09,129 INFO L290 TraceCheckUtils]: 3: Hoare triple {5258#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {5258#true} is VALID [2022-02-20 21:11:09,129 INFO L290 TraceCheckUtils]: 4: Hoare triple {5258#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {5258#true} is VALID [2022-02-20 21:11:09,129 INFO L290 TraceCheckUtils]: 5: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,129 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {5258#true} {5258#true} #80#return; {5258#true} is VALID [2022-02-20 21:11:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 21:11:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,135 INFO L290 TraceCheckUtils]: 0: Hoare triple {5258#true} ~cond := #in~cond; {5258#true} is VALID [2022-02-20 21:11:09,136 INFO L290 TraceCheckUtils]: 1: Hoare triple {5258#true} assume !(0 == ~cond % 256); {5258#true} is VALID [2022-02-20 21:11:09,136 INFO L290 TraceCheckUtils]: 2: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,136 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5258#true} {5258#true} #82#return; {5258#true} is VALID [2022-02-20 21:11:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:11:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,143 INFO L290 TraceCheckUtils]: 0: Hoare triple {5258#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,144 INFO L290 TraceCheckUtils]: 1: Hoare triple {5258#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,144 INFO L290 TraceCheckUtils]: 2: Hoare triple {5258#true} #t~short312 := #t~short309; {5258#true} is VALID [2022-02-20 21:11:09,144 INFO L290 TraceCheckUtils]: 3: Hoare triple {5258#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {5258#true} is VALID [2022-02-20 21:11:09,144 INFO L290 TraceCheckUtils]: 4: Hoare triple {5258#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {5258#true} is VALID [2022-02-20 21:11:09,155 INFO L290 TraceCheckUtils]: 5: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,155 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {5258#true} {5258#true} #84#return; {5258#true} is VALID [2022-02-20 21:11:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 21:11:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,162 INFO L290 TraceCheckUtils]: 0: Hoare triple {5258#true} ~cond := #in~cond; {5258#true} is VALID [2022-02-20 21:11:09,163 INFO L290 TraceCheckUtils]: 1: Hoare triple {5258#true} assume !(0 == ~cond % 256); {5258#true} is VALID [2022-02-20 21:11:09,163 INFO L290 TraceCheckUtils]: 2: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,163 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5258#true} {5258#true} #86#return; {5258#true} is VALID [2022-02-20 21:11:09,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-02-20 21:11:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,270 INFO L290 TraceCheckUtils]: 0: Hoare triple {5258#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {5318#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:11:09,271 INFO L290 TraceCheckUtils]: 1: Hoare triple {5318#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {5319#(or (not |aws_linked_list_node_next_is_valid_#t~short304|) (and (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)))} is VALID [2022-02-20 21:11:09,272 INFO L290 TraceCheckUtils]: 2: Hoare triple {5319#(or (not |aws_linked_list_node_next_is_valid_#t~short304|) (and (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)))} #t~short307 := #t~short304; {5320#(or (and (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (not |aws_linked_list_node_next_is_valid_#t~short307|))} is VALID [2022-02-20 21:11:09,273 INFO L290 TraceCheckUtils]: 3: Hoare triple {5320#(or (and (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (not |aws_linked_list_node_next_is_valid_#t~short307|))} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} is VALID [2022-02-20 21:11:09,274 INFO L290 TraceCheckUtils]: 4: Hoare triple {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} is VALID [2022-02-20 21:11:09,274 INFO L290 TraceCheckUtils]: 5: Hoare triple {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} assume true; {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} is VALID [2022-02-20 21:11:09,275 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} {5258#true} #88#return; {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-02-20 21:11:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,283 INFO L290 TraceCheckUtils]: 0: Hoare triple {5258#true} ~cond := #in~cond; {5258#true} is VALID [2022-02-20 21:11:09,284 INFO L290 TraceCheckUtils]: 1: Hoare triple {5258#true} assume !(0 == ~cond % 256); {5258#true} is VALID [2022-02-20 21:11:09,284 INFO L290 TraceCheckUtils]: 2: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,285 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5258#true} {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} #90#return; {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-02-20 21:11:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,292 INFO L290 TraceCheckUtils]: 0: Hoare triple {5258#true} ~cond := #in~cond; {5258#true} is VALID [2022-02-20 21:11:09,292 INFO L290 TraceCheckUtils]: 1: Hoare triple {5258#true} assume !(0 == ~cond % 256); {5258#true} is VALID [2022-02-20 21:11:09,292 INFO L290 TraceCheckUtils]: 2: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,293 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5258#true} {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} #92#return; {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-02-20 21:11:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,302 INFO L290 TraceCheckUtils]: 0: Hoare triple {5258#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,303 INFO L290 TraceCheckUtils]: 1: Hoare triple {5258#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,303 INFO L290 TraceCheckUtils]: 2: Hoare triple {5258#true} #t~short312 := #t~short309; {5258#true} is VALID [2022-02-20 21:11:09,303 INFO L290 TraceCheckUtils]: 3: Hoare triple {5258#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {5258#true} is VALID [2022-02-20 21:11:09,303 INFO L290 TraceCheckUtils]: 4: Hoare triple {5258#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {5258#true} is VALID [2022-02-20 21:11:09,303 INFO L290 TraceCheckUtils]: 5: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,304 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {5258#true} {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} #94#return; {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-02-20 21:11:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,312 INFO L290 TraceCheckUtils]: 0: Hoare triple {5258#true} ~cond := #in~cond; {5258#true} is VALID [2022-02-20 21:11:09,312 INFO L290 TraceCheckUtils]: 1: Hoare triple {5258#true} assume !(0 == ~cond % 256); {5258#true} is VALID [2022-02-20 21:11:09,312 INFO L290 TraceCheckUtils]: 2: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,313 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5258#true} {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} #96#return; {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-02-20 21:11:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,391 INFO L290 TraceCheckUtils]: 0: Hoare triple {5258#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {5318#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:11:09,392 INFO L290 TraceCheckUtils]: 1: Hoare triple {5318#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {5322#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) |aws_linked_list_node_next_is_valid_#t~short304|)} is VALID [2022-02-20 21:11:09,392 INFO L290 TraceCheckUtils]: 2: Hoare triple {5322#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) |aws_linked_list_node_next_is_valid_#t~short304|)} #t~short307 := #t~short304; {5323#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) |aws_linked_list_node_next_is_valid_#t~short307|)} is VALID [2022-02-20 21:11:09,393 INFO L290 TraceCheckUtils]: 3: Hoare triple {5323#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) |aws_linked_list_node_next_is_valid_#t~short307|)} assume !#t~short307; {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} is VALID [2022-02-20 21:11:09,393 INFO L290 TraceCheckUtils]: 4: Hoare triple {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} is VALID [2022-02-20 21:11:09,394 INFO L290 TraceCheckUtils]: 5: Hoare triple {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} assume true; {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} is VALID [2022-02-20 21:11:09,394 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} #98#return; {5259#false} is VALID [2022-02-20 21:11:09,395 INFO L290 TraceCheckUtils]: 0: Hoare triple {5258#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$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$(0, 0, ~#s_can_fail_allocator_static~0.base, 32 + ~#s_can_fail_allocator_static~0.offset, 8);~tl_last_error~0 := 0; {5258#true} is VALID [2022-02-20 21:11:09,395 INFO L290 TraceCheckUtils]: 1: Hoare triple {5258#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_prev_harness } true;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset, aws_linked_list_prev_harness_#t~ret675#1, aws_linked_list_prev_harness_#t~ret676#1, aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset;call aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset := #Ultimate.allocOnStack(16);call aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset := #Ultimate.allocOnStack(16);call write~$Pointer$(aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, aws_linked_list_prev_harness_~#node~1#1.base, 8 + aws_linked_list_prev_harness_~#node~1#1.offset, 8);call write~$Pointer$(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset, aws_linked_list_prev_harness_~#before~0#1.base, aws_linked_list_prev_harness_~#before~0#1.offset, 8);assume { :begin_inline_aws_linked_list_prev } true;aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset := aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset;havoc aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;havoc aws_linked_list_prev_#t~ret334#1, aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset, aws_linked_list_prev_#t~ret336#1, aws_linked_list_prev_#t~ret337#1, aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset, aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset, aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset;aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset := aws_linked_list_prev_#in~node#1.base, aws_linked_list_prev_#in~node#1.offset; {5258#true} is VALID [2022-02-20 21:11:09,395 INFO L272 TraceCheckUtils]: 2: Hoare triple {5258#true} call aws_linked_list_prev_#t~ret334#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {5258#true} is VALID [2022-02-20 21:11:09,395 INFO L290 TraceCheckUtils]: 3: Hoare triple {5258#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,395 INFO L290 TraceCheckUtils]: 4: Hoare triple {5258#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,395 INFO L290 TraceCheckUtils]: 5: Hoare triple {5258#true} #t~short312 := #t~short309; {5258#true} is VALID [2022-02-20 21:11:09,395 INFO L290 TraceCheckUtils]: 6: Hoare triple {5258#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {5258#true} is VALID [2022-02-20 21:11:09,396 INFO L290 TraceCheckUtils]: 7: Hoare triple {5258#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {5258#true} is VALID [2022-02-20 21:11:09,396 INFO L290 TraceCheckUtils]: 8: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,396 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {5258#true} {5258#true} #80#return; {5258#true} is VALID [2022-02-20 21:11:09,396 INFO L272 TraceCheckUtils]: 10: Hoare triple {5258#true} call assume_abort_if_not(aws_linked_list_prev_#t~ret334#1); {5258#true} is VALID [2022-02-20 21:11:09,396 INFO L290 TraceCheckUtils]: 11: Hoare triple {5258#true} ~cond := #in~cond; {5258#true} is VALID [2022-02-20 21:11:09,396 INFO L290 TraceCheckUtils]: 12: Hoare triple {5258#true} assume !(0 == ~cond % 256); {5258#true} is VALID [2022-02-20 21:11:09,396 INFO L290 TraceCheckUtils]: 13: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,397 INFO L284 TraceCheckUtils]: 14: Hoare quadruple {5258#true} {5258#true} #82#return; {5258#true} is VALID [2022-02-20 21:11:09,397 INFO L290 TraceCheckUtils]: 15: Hoare triple {5258#true} havoc aws_linked_list_prev_#t~ret334#1;call aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8);aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset := aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset;havoc aws_linked_list_prev_#t~mem335#1.base, aws_linked_list_prev_#t~mem335#1.offset; {5258#true} is VALID [2022-02-20 21:11:09,397 INFO L272 TraceCheckUtils]: 16: Hoare triple {5258#true} call aws_linked_list_prev_#t~ret336#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_~node#1.base, aws_linked_list_prev_~node#1.offset); {5258#true} is VALID [2022-02-20 21:11:09,397 INFO L290 TraceCheckUtils]: 17: Hoare triple {5258#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,397 INFO L290 TraceCheckUtils]: 18: Hoare triple {5258#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,397 INFO L290 TraceCheckUtils]: 19: Hoare triple {5258#true} #t~short312 := #t~short309; {5258#true} is VALID [2022-02-20 21:11:09,398 INFO L290 TraceCheckUtils]: 20: Hoare triple {5258#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {5258#true} is VALID [2022-02-20 21:11:09,398 INFO L290 TraceCheckUtils]: 21: Hoare triple {5258#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {5258#true} is VALID [2022-02-20 21:11:09,398 INFO L290 TraceCheckUtils]: 22: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,398 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {5258#true} {5258#true} #84#return; {5258#true} is VALID [2022-02-20 21:11:09,398 INFO L272 TraceCheckUtils]: 24: Hoare triple {5258#true} call __VERIFIER_assert(aws_linked_list_prev_#t~ret336#1); {5258#true} is VALID [2022-02-20 21:11:09,398 INFO L290 TraceCheckUtils]: 25: Hoare triple {5258#true} ~cond := #in~cond; {5258#true} is VALID [2022-02-20 21:11:09,398 INFO L290 TraceCheckUtils]: 26: Hoare triple {5258#true} assume !(0 == ~cond % 256); {5258#true} is VALID [2022-02-20 21:11:09,399 INFO L290 TraceCheckUtils]: 27: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,399 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {5258#true} {5258#true} #86#return; {5258#true} is VALID [2022-02-20 21:11:09,399 INFO L290 TraceCheckUtils]: 29: Hoare triple {5258#true} havoc aws_linked_list_prev_#t~ret336#1; {5258#true} is VALID [2022-02-20 21:11:09,399 INFO L272 TraceCheckUtils]: 30: Hoare triple {5258#true} call aws_linked_list_prev_#t~ret337#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset); {5258#true} is VALID [2022-02-20 21:11:09,400 INFO L290 TraceCheckUtils]: 31: Hoare triple {5258#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {5318#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:11:09,400 INFO L290 TraceCheckUtils]: 32: Hoare triple {5318#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {5319#(or (not |aws_linked_list_node_next_is_valid_#t~short304|) (and (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)))} is VALID [2022-02-20 21:11:09,401 INFO L290 TraceCheckUtils]: 33: Hoare triple {5319#(or (not |aws_linked_list_node_next_is_valid_#t~short304|) (and (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)))} #t~short307 := #t~short304; {5320#(or (and (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (not |aws_linked_list_node_next_is_valid_#t~short307|))} is VALID [2022-02-20 21:11:09,402 INFO L290 TraceCheckUtils]: 34: Hoare triple {5320#(or (and (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (and (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_node_next_is_valid_~node.base) aws_linked_list_node_next_is_valid_~node.offset) 0)) (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|)) (not |aws_linked_list_node_next_is_valid_#t~short307|))} assume #t~short307;call #t~mem305.base, #t~mem305.offset := read~$Pointer$(~node.base, ~node.offset, 8);call #t~mem306.base, #t~mem306.offset := read~$Pointer$(#t~mem305.base, 8 + #t~mem305.offset, 8);#t~short307 := #t~mem306.base == ~node.base && #t~mem306.offset == ~node.offset; {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} is VALID [2022-02-20 21:11:09,403 INFO L290 TraceCheckUtils]: 35: Hoare triple {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} is VALID [2022-02-20 21:11:09,403 INFO L290 TraceCheckUtils]: 36: Hoare triple {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} assume true; {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} is VALID [2022-02-20 21:11:09,405 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {5321#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)))} {5258#true} #88#return; {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,405 INFO L272 TraceCheckUtils]: 38: Hoare triple {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} call __VERIFIER_assert(aws_linked_list_prev_#t~ret337#1); {5258#true} is VALID [2022-02-20 21:11:09,405 INFO L290 TraceCheckUtils]: 39: Hoare triple {5258#true} ~cond := #in~cond; {5258#true} is VALID [2022-02-20 21:11:09,405 INFO L290 TraceCheckUtils]: 40: Hoare triple {5258#true} assume !(0 == ~cond % 256); {5258#true} is VALID [2022-02-20 21:11:09,405 INFO L290 TraceCheckUtils]: 41: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,406 INFO L284 TraceCheckUtils]: 42: Hoare quadruple {5258#true} {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} #90#return; {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,407 INFO L290 TraceCheckUtils]: 43: Hoare triple {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} havoc aws_linked_list_prev_#t~ret337#1;call aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset := read~$Pointer$(aws_linked_list_prev_~node#1.base, 8 + aws_linked_list_prev_~node#1.offset, 8); {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,407 INFO L272 TraceCheckUtils]: 44: Hoare triple {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} call __VERIFIER_assert((if 0 == (if aws_linked_list_prev_~rval~5#1.base == aws_linked_list_prev_#t~mem338#1.base && aws_linked_list_prev_~rval~5#1.offset == aws_linked_list_prev_#t~mem338#1.offset then 1 else 0) then 0 else 1)); {5258#true} is VALID [2022-02-20 21:11:09,407 INFO L290 TraceCheckUtils]: 45: Hoare triple {5258#true} ~cond := #in~cond; {5258#true} is VALID [2022-02-20 21:11:09,407 INFO L290 TraceCheckUtils]: 46: Hoare triple {5258#true} assume !(0 == ~cond % 256); {5258#true} is VALID [2022-02-20 21:11:09,407 INFO L290 TraceCheckUtils]: 47: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,408 INFO L284 TraceCheckUtils]: 48: Hoare quadruple {5258#true} {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} #92#return; {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,409 INFO L290 TraceCheckUtils]: 49: Hoare triple {5289#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base|) |ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset|) 0)))} havoc aws_linked_list_prev_#t~mem338#1.base, aws_linked_list_prev_#t~mem338#1.offset;aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset := aws_linked_list_prev_~rval~5#1.base, aws_linked_list_prev_~rval~5#1.offset; {5298#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,409 INFO L290 TraceCheckUtils]: 50: Hoare triple {5298#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_#res#1.base|) |ULTIMATE.start_aws_linked_list_prev_#res#1.offset|) 0)))} aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset := aws_linked_list_prev_#res#1.base, aws_linked_list_prev_#res#1.offset;assume { :end_inline_aws_linked_list_prev } true;aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset := aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset;havoc aws_linked_list_prev_harness_#t~ret674#1.base, aws_linked_list_prev_harness_#t~ret674#1.offset; {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,410 INFO L272 TraceCheckUtils]: 51: Hoare triple {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} call aws_linked_list_prev_harness_#t~ret675#1 := aws_linked_list_node_prev_is_valid(aws_linked_list_prev_harness_~#node~1#1.base, aws_linked_list_prev_harness_~#node~1#1.offset); {5258#true} is VALID [2022-02-20 21:11:09,410 INFO L290 TraceCheckUtils]: 52: Hoare triple {5258#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short309 := ~node.base != 0 || ~node.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,410 INFO L290 TraceCheckUtils]: 53: Hoare triple {5258#true} assume #t~short309;call #t~mem308.base, #t~mem308.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);#t~short309 := #t~mem308.base != 0 || #t~mem308.offset != 0; {5258#true} is VALID [2022-02-20 21:11:09,410 INFO L290 TraceCheckUtils]: 54: Hoare triple {5258#true} #t~short312 := #t~short309; {5258#true} is VALID [2022-02-20 21:11:09,410 INFO L290 TraceCheckUtils]: 55: Hoare triple {5258#true} assume #t~short312;call #t~mem310.base, #t~mem310.offset := read~$Pointer$(~node.base, 8 + ~node.offset, 8);call #t~mem311.base, #t~mem311.offset := read~$Pointer$(#t~mem310.base, #t~mem310.offset, 8);#t~short312 := #t~mem311.base == ~node.base && #t~mem311.offset == ~node.offset; {5258#true} is VALID [2022-02-20 21:11:09,410 INFO L290 TraceCheckUtils]: 56: Hoare triple {5258#true} #res := (if 0 == (if #t~short312 then 1 else 0) then 0 else 1);havoc #t~mem308.base, #t~mem308.offset;havoc #t~short309;havoc #t~mem310.base, #t~mem310.offset;havoc #t~mem311.base, #t~mem311.offset;havoc #t~short312; {5258#true} is VALID [2022-02-20 21:11:09,411 INFO L290 TraceCheckUtils]: 57: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,412 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {5258#true} {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} #94#return; {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,412 INFO L272 TraceCheckUtils]: 59: Hoare triple {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} call __VERIFIER_assert(aws_linked_list_prev_harness_#t~ret675#1); {5258#true} is VALID [2022-02-20 21:11:09,412 INFO L290 TraceCheckUtils]: 60: Hoare triple {5258#true} ~cond := #in~cond; {5258#true} is VALID [2022-02-20 21:11:09,412 INFO L290 TraceCheckUtils]: 61: Hoare triple {5258#true} assume !(0 == ~cond % 256); {5258#true} is VALID [2022-02-20 21:11:09,412 INFO L290 TraceCheckUtils]: 62: Hoare triple {5258#true} assume true; {5258#true} is VALID [2022-02-20 21:11:09,413 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {5258#true} {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} #96#return; {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,413 INFO L290 TraceCheckUtils]: 64: Hoare triple {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} havoc aws_linked_list_prev_harness_#t~ret675#1; {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} is VALID [2022-02-20 21:11:09,414 INFO L272 TraceCheckUtils]: 65: Hoare triple {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} call aws_linked_list_prev_harness_#t~ret676#1 := aws_linked_list_node_next_is_valid(aws_linked_list_prev_harness_~rval~10#1.base, aws_linked_list_prev_harness_~rval~10#1.offset); {5258#true} is VALID [2022-02-20 21:11:09,414 INFO L290 TraceCheckUtils]: 66: Hoare triple {5258#true} ~node.base, ~node.offset := #in~node.base, #in~node.offset;#t~short304 := ~node.base != 0 || ~node.offset != 0; {5318#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} is VALID [2022-02-20 21:11:09,415 INFO L290 TraceCheckUtils]: 67: Hoare triple {5318#(and (= aws_linked_list_node_next_is_valid_~node.base |aws_linked_list_node_next_is_valid_#in~node.base|) (= aws_linked_list_node_next_is_valid_~node.offset |aws_linked_list_node_next_is_valid_#in~node.offset|))} assume #t~short304;call #t~mem303.base, #t~mem303.offset := read~$Pointer$(~node.base, ~node.offset, 8);#t~short304 := #t~mem303.base != 0 || #t~mem303.offset != 0; {5322#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) |aws_linked_list_node_next_is_valid_#t~short304|)} is VALID [2022-02-20 21:11:09,416 INFO L290 TraceCheckUtils]: 68: Hoare triple {5322#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) |aws_linked_list_node_next_is_valid_#t~short304|)} #t~short307 := #t~short304; {5323#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) |aws_linked_list_node_next_is_valid_#t~short307|)} is VALID [2022-02-20 21:11:09,416 INFO L290 TraceCheckUtils]: 69: Hoare triple {5323#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0)) |aws_linked_list_node_next_is_valid_#t~short307|)} assume !#t~short307; {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} is VALID [2022-02-20 21:11:09,417 INFO L290 TraceCheckUtils]: 70: Hoare triple {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} #res := (if 0 == (if #t~short307 then 1 else 0) then 0 else 1);havoc #t~mem303.base, #t~mem303.offset;havoc #t~short304;havoc #t~mem305.base, #t~mem305.offset;havoc #t~mem306.base, #t~mem306.offset;havoc #t~short307; {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} is VALID [2022-02-20 21:11:09,417 INFO L290 TraceCheckUtils]: 71: Hoare triple {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} assume true; {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} is VALID [2022-02-20 21:11:09,418 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {5324#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_node_next_is_valid_#in~node.base|) |aws_linked_list_node_next_is_valid_#in~node.offset|) 0))} {5299#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base|) |ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset|) 0)))} #98#return; {5259#false} is VALID [2022-02-20 21:11:09,419 INFO L272 TraceCheckUtils]: 73: Hoare triple {5259#false} call __VERIFIER_assert(aws_linked_list_prev_harness_#t~ret676#1); {5259#false} is VALID [2022-02-20 21:11:09,419 INFO L290 TraceCheckUtils]: 74: Hoare triple {5259#false} ~cond := #in~cond; {5259#false} is VALID [2022-02-20 21:11:09,419 INFO L290 TraceCheckUtils]: 75: Hoare triple {5259#false} assume 0 == ~cond % 256; {5259#false} is VALID [2022-02-20 21:11:09,419 INFO L290 TraceCheckUtils]: 76: Hoare triple {5259#false} assume !false; {5259#false} is VALID [2022-02-20 21:11:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-02-20 21:11:09,420 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:11:09,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813601432] [2022-02-20 21:11:09,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813601432] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:11:09,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44749133] [2022-02-20 21:11:09,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:11:09,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:11:09,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:11:09,424 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 21:11:09,427 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 21:11:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 38 conjunts are in the unsatisfiable core [2022-02-20 21:11:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:11:09,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:11:10,604 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset_BEFORE_CALL_8| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset_BEFORE_CALL_8|) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset_BEFORE_CALL_8| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset_BEFORE_CALL_8|) 0)))) is different from true [2022-02-20 21:11:11,551 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset_BEFORE_CALL_9| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset_BEFORE_CALL_9|) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset_BEFORE_CALL_9| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_aws_linked_list_prev_~rval~5#1.offset_BEFORE_CALL_9|) 0)))) is different from true [2022-02-20 21:11:12,493 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_1| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_1|) |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_1|) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_1| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_1|) |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_1|) 0)))) is different from true [2022-02-20 21:11:13,558 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_2| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_2|) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_2| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_2|) 0)))) is different from true [2022-02-20 21:11:14,498 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_3| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_3|) 0))) (exists ((|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_3| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_aws_linked_list_prev_harness_~rval~10#1.offset_BEFORE_CALL_3|) 0)))) is different from true