./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_linked_list_back_harness.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_linked_list_back_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f57bc64edf303a057c8eafb48480d4e5b764bd411481261d53eb2a101eb82ae8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 21:09:33,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 21:09:33,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 21:09:33,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 21:09:33,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 21:09:33,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 21:09:33,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 21:09:33,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 21:09:33,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 21:09:33,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 21:09:33,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 21:09:33,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 21:09:33,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 21:09:33,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 21:09:33,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 21:09:33,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 21:09:33,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 21:09:33,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 21:09:33,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 21:09:33,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 21:09:33,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 21:09:33,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 21:09:33,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 21:09:33,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 21:09:33,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 21:09:33,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 21:09:33,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 21:09:33,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 21:09:33,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 21:09:33,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 21:09:33,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 21:09:33,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 21:09:33,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 21:09:33,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 21:09:33,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 21:09:33,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 21:09:33,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 21:09:33,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 21:09:33,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 21:09:33,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 21:09:33,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 21:09:33,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-02-20 21:09:33,275 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 21:09:33,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 21:09:33,276 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 21:09:33,276 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 21:09:33,277 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 21:09:33,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 21:09:33,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 21:09:33,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 21:09:33,278 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 21:09:33,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 21:09:33,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 21:09:33,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 21:09:33,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 21:09:33,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 21:09:33,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 21:09:33,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 21:09:33,280 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 21:09:33,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 21:09:33,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 21:09:33,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 21:09:33,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 21:09:33,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:09:33,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 21:09:33,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 21:09:33,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 21:09:33,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 21:09:33,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 21:09:33,282 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 21:09:33,282 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 21:09:33,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 21:09:33,283 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f57bc64edf303a057c8eafb48480d4e5b764bd411481261d53eb2a101eb82ae8 [2022-02-20 21:09:33,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 21:09:33,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 21:09:33,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 21:09:33,585 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 21:09:33,587 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 21:09:33,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_linked_list_back_harness.i [2022-02-20 21:09:33,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bfdda84e/b982add7cefe424f8a8a4206827b8d8a/FLAGbdbaebbe3 [2022-02-20 21:09:34,225 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 21:09:34,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_back_harness.i [2022-02-20 21:09:34,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bfdda84e/b982add7cefe424f8a8a4206827b8d8a/FLAGbdbaebbe3 [2022-02-20 21:09:34,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bfdda84e/b982add7cefe424f8a8a4206827b8d8a [2022-02-20 21:09:34,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 21:09:34,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 21:09:34,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 21:09:34,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 21:09:34,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 21:09:34,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:09:34" (1/1) ... [2022-02-20 21:09:34,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17365d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:34, skipping insertion in model container [2022-02-20 21:09:34,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:09:34" (1/1) ... [2022-02-20 21:09:34,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 21:09:34,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 21:09:34,989 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_back_harness.i[4494,4507] [2022-02-20 21:09:34,997 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_back_harness.i[4554,4567] [2022-02-20 21:09:35,583 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,584 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,585 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,587 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,589 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,620 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,627 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,631 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,634 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,639 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,640 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,640 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,640 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:35,838 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-02-20 21:09:35,839 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-02-20 21:09:35,840 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-02-20 21:09:35,841 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-02-20 21:09:35,842 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-02-20 21:09:35,843 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-02-20 21:09:35,844 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-02-20 21:09:35,844 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-02-20 21:09:35,845 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-02-20 21:09:35,846 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-02-20 21:09:35,982 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-02-20 21:09:36,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:09:36,017 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 21:09:36,029 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_back_harness.i[4494,4507] [2022-02-20 21:09:36,029 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_back_harness.i[4554,4567] [2022-02-20 21:09:36,068 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,073 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,074 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,075 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,076 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,084 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,092 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,093 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,096 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,101 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,102 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,103 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,103 WARN L1545 CHandler]: Possible shadowing of function index [2022-02-20 21:09:36,160 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-02-20 21:09:36,161 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-02-20 21:09:36,162 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-02-20 21:09:36,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-02-20 21:09:36,169 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-02-20 21:09:36,169 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-02-20 21:09:36,171 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-02-20 21:09:36,172 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-02-20 21:09:36,173 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-02-20 21:09:36,174 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-02-20 21:09:36,212 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-02-20 21:09:36,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 21:09:36,390 INFO L208 MainTranslator]: Completed translation [2022-02-20 21:09:36,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36 WrapperNode [2022-02-20 21:09:36,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 21:09:36,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 21:09:36,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 21:09:36,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 21:09:36,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36" (1/1) ... [2022-02-20 21:09:36,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36" (1/1) ... [2022-02-20 21:09:36,502 INFO L137 Inliner]: procedures = 679, calls = 1045, calls flagged for inlining = 50, calls inlined = 5, statements flattened = 134 [2022-02-20 21:09:36,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 21:09:36,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 21:09:36,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 21:09:36,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 21:09:36,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36" (1/1) ... [2022-02-20 21:09:36,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36" (1/1) ... [2022-02-20 21:09:36,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36" (1/1) ... [2022-02-20 21:09:36,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36" (1/1) ... [2022-02-20 21:09:36,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36" (1/1) ... [2022-02-20 21:09:36,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36" (1/1) ... [2022-02-20 21:09:36,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36" (1/1) ... [2022-02-20 21:09:36,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 21:09:36,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 21:09:36,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 21:09:36,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 21:09:36,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36" (1/1) ... [2022-02-20 21:09:36,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 21:09:36,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:09:36,620 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 21:09:36,646 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 21:09:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_back [2022-02-20 21:09:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_back [2022-02-20 21:09:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 21:09:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-20 21:09:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-20 21:09:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2022-02-20 21:09:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2022-02-20 21:09:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 21:09:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2022-02-20 21:09:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2022-02-20 21:09:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 21:09:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 21:09:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 21:09:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 21:09:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2022-02-20 21:09:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2022-02-20 21:09:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 21:09:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 21:09:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 21:09:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 21:09:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 21:09:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-02-20 21:09:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-02-20 21:09:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2022-02-20 21:09:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2022-02-20 21:09:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 21:09:36,902 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 21:09:36,904 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 21:09:37,185 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 21:09:37,192 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 21:09:37,192 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 21:09:37,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:09:37 BoogieIcfgContainer [2022-02-20 21:09:37,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 21:09:37,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 21:09:37,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 21:09:37,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 21:09:37,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 09:09:34" (1/3) ... [2022-02-20 21:09:37,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a646f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:09:37, skipping insertion in model container [2022-02-20 21:09:37,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:09:36" (2/3) ... [2022-02-20 21:09:37,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a646f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:09:37, skipping insertion in model container [2022-02-20 21:09:37,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:09:37" (3/3) ... [2022-02-20 21:09:37,201 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_back_harness.i [2022-02-20 21:09:37,205 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 21:09:37,205 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 21:09:37,239 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 21:09:37,244 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 21:09:37,244 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 21:09:37,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 64 states have (on average 1.296875) internal successors, (83), 65 states have internal predecessors, (83), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-02-20 21:09:37,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-20 21:09:37,277 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:09:37,278 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:09:37,278 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:09:37,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:09:37,287 INFO L85 PathProgramCache]: Analyzing trace with hash 464723229, now seen corresponding path program 1 times [2022-02-20 21:09:37,295 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:09:37,296 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129965312] [2022-02-20 21:09:37,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:09:37,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:09:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:09:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,710 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#true} #res := #t~nondet13;havoc #t~nondet13; {101#true} is VALID [2022-02-20 21:09:37,710 INFO L290 TraceCheckUtils]: 1: Hoare triple {101#true} assume true; {101#true} is VALID [2022-02-20 21:09:37,710 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {101#true} {101#true} #182#return; {101#true} is VALID [2022-02-20 21:09:37,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-02-20 21:09:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,756 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:37,757 INFO L290 TraceCheckUtils]: 1: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:37,757 INFO L290 TraceCheckUtils]: 2: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,758 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {102#false} {101#true} #184#return; {102#false} is VALID [2022-02-20 21:09:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:09:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:09:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,802 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:37,802 INFO L290 TraceCheckUtils]: 1: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:37,803 INFO L290 TraceCheckUtils]: 2: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,803 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {102#false} {101#true} #228#return; {102#false} is VALID [2022-02-20 21:09:37,803 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {101#true} is VALID [2022-02-20 21:09:37,808 INFO L272 TraceCheckUtils]: 1: Hoare triple {101#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {101#true} is VALID [2022-02-20 21:09:37,809 INFO L290 TraceCheckUtils]: 2: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:37,809 INFO L290 TraceCheckUtils]: 3: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:37,810 INFO L290 TraceCheckUtils]: 4: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,810 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {102#false} {101#true} #228#return; {102#false} is VALID [2022-02-20 21:09:37,811 INFO L290 TraceCheckUtils]: 6: Hoare triple {102#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {102#false} is VALID [2022-02-20 21:09:37,812 INFO L290 TraceCheckUtils]: 7: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,813 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {102#false} {102#false} #186#return; {102#false} is VALID [2022-02-20 21:09:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:09:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,828 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:37,829 INFO L290 TraceCheckUtils]: 1: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:37,829 INFO L290 TraceCheckUtils]: 2: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,830 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {102#false} {102#false} #188#return; {102#false} is VALID [2022-02-20 21:09:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-02-20 21:09:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,868 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:37,868 INFO L290 TraceCheckUtils]: 1: Hoare triple {101#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:37,869 INFO L290 TraceCheckUtils]: 2: Hoare triple {101#true} #t~short301#1 := #t~short299#1; {101#true} is VALID [2022-02-20 21:09:37,869 INFO L290 TraceCheckUtils]: 3: Hoare triple {101#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {101#true} is VALID [2022-02-20 21:09:37,869 INFO L290 TraceCheckUtils]: 4: Hoare triple {101#true} #t~short303#1 := #t~short301#1; {101#true} is VALID [2022-02-20 21:09:37,870 INFO L290 TraceCheckUtils]: 5: Hoare triple {101#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:37,870 INFO L290 TraceCheckUtils]: 6: Hoare triple {101#true} #t~short305#1 := #t~short303#1; {101#true} is VALID [2022-02-20 21:09:37,870 INFO L290 TraceCheckUtils]: 7: Hoare triple {101#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {101#true} is VALID [2022-02-20 21:09:37,871 INFO L290 TraceCheckUtils]: 8: Hoare triple {101#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {101#true} is VALID [2022-02-20 21:09:37,872 INFO L290 TraceCheckUtils]: 9: Hoare triple {101#true} assume true; {101#true} is VALID [2022-02-20 21:09:37,872 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {101#true} {102#false} #206#return; {102#false} is VALID [2022-02-20 21:09:37,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-20 21:09:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,893 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:37,893 INFO L290 TraceCheckUtils]: 1: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:37,894 INFO L290 TraceCheckUtils]: 2: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,894 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {102#false} {102#false} #208#return; {102#false} is VALID [2022-02-20 21:09:37,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-02-20 21:09:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:09:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,932 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:37,933 INFO L290 TraceCheckUtils]: 1: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:37,933 INFO L290 TraceCheckUtils]: 2: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,933 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {102#false} {101#true} #228#return; {102#false} is VALID [2022-02-20 21:09:37,934 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {101#true} is VALID [2022-02-20 21:09:37,934 INFO L272 TraceCheckUtils]: 1: Hoare triple {101#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {101#true} is VALID [2022-02-20 21:09:37,934 INFO L290 TraceCheckUtils]: 2: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:37,935 INFO L290 TraceCheckUtils]: 3: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:37,938 INFO L290 TraceCheckUtils]: 4: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,939 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {102#false} {101#true} #228#return; {102#false} is VALID [2022-02-20 21:09:37,941 INFO L290 TraceCheckUtils]: 6: Hoare triple {102#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {102#false} is VALID [2022-02-20 21:09:37,941 INFO L290 TraceCheckUtils]: 7: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,941 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {102#false} {102#false} #210#return; {102#false} is VALID [2022-02-20 21:09:37,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-02-20 21:09:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,957 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:37,957 INFO L290 TraceCheckUtils]: 1: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:37,958 INFO L290 TraceCheckUtils]: 2: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,958 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {102#false} {102#false} #212#return; {102#false} is VALID [2022-02-20 21:09:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-02-20 21:09:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:37,987 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:37,988 INFO L290 TraceCheckUtils]: 1: Hoare triple {101#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:37,988 INFO L290 TraceCheckUtils]: 2: Hoare triple {101#true} #t~short301#1 := #t~short299#1; {101#true} is VALID [2022-02-20 21:09:37,989 INFO L290 TraceCheckUtils]: 3: Hoare triple {101#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {101#true} is VALID [2022-02-20 21:09:37,989 INFO L290 TraceCheckUtils]: 4: Hoare triple {101#true} #t~short303#1 := #t~short301#1; {101#true} is VALID [2022-02-20 21:09:37,989 INFO L290 TraceCheckUtils]: 5: Hoare triple {101#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:37,990 INFO L290 TraceCheckUtils]: 6: Hoare triple {101#true} #t~short305#1 := #t~short303#1; {101#true} is VALID [2022-02-20 21:09:37,991 INFO L290 TraceCheckUtils]: 7: Hoare triple {101#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {101#true} is VALID [2022-02-20 21:09:37,991 INFO L290 TraceCheckUtils]: 8: Hoare triple {101#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {101#true} is VALID [2022-02-20 21:09:37,992 INFO L290 TraceCheckUtils]: 9: Hoare triple {101#true} assume true; {101#true} is VALID [2022-02-20 21:09:37,992 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {101#true} {102#false} #214#return; {102#false} is VALID [2022-02-20 21:09:37,992 INFO L290 TraceCheckUtils]: 0: Hoare triple {101#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; {101#true} is VALID [2022-02-20 21:09:37,993 INFO L290 TraceCheckUtils]: 1: Hoare triple {101#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_back_harness } true;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset, aws_linked_list_back_harness_#t~ret679#1, aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset, aws_linked_list_back_harness_#t~ret681#1, aws_linked_list_back_harness_#t~ret682#1, aws_linked_list_back_harness_#t~ret683#1, aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset, aws_linked_list_back_harness_~back~1#1.base, aws_linked_list_back_harness_~back~1#1.offset;call aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {101#true} is VALID [2022-02-20 21:09:37,993 INFO L272 TraceCheckUtils]: 2: Hoare triple {101#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {101#true} is VALID [2022-02-20 21:09:37,993 INFO L290 TraceCheckUtils]: 3: Hoare triple {101#true} #res := #t~nondet13;havoc #t~nondet13; {101#true} is VALID [2022-02-20 21:09:37,994 INFO L290 TraceCheckUtils]: 4: Hoare triple {101#true} assume true; {101#true} is VALID [2022-02-20 21:09:37,994 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {101#true} {101#true} #182#return; {101#true} is VALID [2022-02-20 21:09:37,994 INFO L290 TraceCheckUtils]: 6: Hoare triple {101#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {101#true} is VALID [2022-02-20 21:09:37,994 INFO L272 TraceCheckUtils]: 7: Hoare triple {101#true} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {101#true} is VALID [2022-02-20 21:09:37,995 INFO L290 TraceCheckUtils]: 8: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:37,995 INFO L290 TraceCheckUtils]: 9: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:37,996 INFO L290 TraceCheckUtils]: 10: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,996 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {102#false} {101#true} #184#return; {102#false} is VALID [2022-02-20 21:09:37,996 INFO L290 TraceCheckUtils]: 12: Hoare triple {102#false} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {102#false} is VALID [2022-02-20 21:09:37,996 INFO L290 TraceCheckUtils]: 13: Hoare triple {102#false} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {102#false} is VALID [2022-02-20 21:09:37,997 INFO L290 TraceCheckUtils]: 14: Hoare triple {102#false} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {102#false} is VALID [2022-02-20 21:09:37,997 INFO L290 TraceCheckUtils]: 15: Hoare triple {102#false} assume { :end_inline_ensure_linked_list_is_allocated } true;call aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset := read~$Pointer$(aws_linked_list_back_harness_~#list~0#1.base, 24 + aws_linked_list_back_harness_~#list~0#1.offset, 8);aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset := aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset; {102#false} is VALID [2022-02-20 21:09:37,997 INFO L272 TraceCheckUtils]: 16: Hoare triple {102#false} call aws_linked_list_back_harness_#t~ret679#1 := aws_linked_list_empty(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {101#true} is VALID [2022-02-20 21:09:37,997 INFO L290 TraceCheckUtils]: 17: Hoare triple {101#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {101#true} is VALID [2022-02-20 21:09:37,998 INFO L272 TraceCheckUtils]: 18: Hoare triple {101#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {101#true} is VALID [2022-02-20 21:09:37,998 INFO L290 TraceCheckUtils]: 19: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:37,999 INFO L290 TraceCheckUtils]: 20: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:37,999 INFO L290 TraceCheckUtils]: 21: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:37,999 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {102#false} {101#true} #228#return; {102#false} is VALID [2022-02-20 21:09:38,000 INFO L290 TraceCheckUtils]: 23: Hoare triple {102#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {102#false} is VALID [2022-02-20 21:09:38,000 INFO L290 TraceCheckUtils]: 24: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:38,000 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {102#false} {102#false} #186#return; {102#false} is VALID [2022-02-20 21:09:38,004 INFO L272 TraceCheckUtils]: 26: Hoare triple {102#false} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_harness_#t~ret679#1 % 256 then 1 else 0) then 0 else 1)); {101#true} is VALID [2022-02-20 21:09:38,005 INFO L290 TraceCheckUtils]: 27: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:38,005 INFO L290 TraceCheckUtils]: 28: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:38,006 INFO L290 TraceCheckUtils]: 29: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:38,006 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {102#false} {102#false} #188#return; {102#false} is VALID [2022-02-20 21:09:38,006 INFO L290 TraceCheckUtils]: 31: Hoare triple {102#false} havoc aws_linked_list_back_harness_#t~ret679#1; {102#false} is VALID [2022-02-20 21:09:38,007 INFO L272 TraceCheckUtils]: 32: Hoare triple {102#false} call aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset := aws_linked_list_back(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {102#false} is VALID [2022-02-20 21:09:38,009 INFO L290 TraceCheckUtils]: 33: Hoare triple {102#false} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {102#false} is VALID [2022-02-20 21:09:38,009 INFO L272 TraceCheckUtils]: 34: Hoare triple {102#false} call #t~ret389 := aws_linked_list_is_valid(~list.base, ~list.offset); {101#true} is VALID [2022-02-20 21:09:38,009 INFO L290 TraceCheckUtils]: 35: Hoare triple {101#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:38,010 INFO L290 TraceCheckUtils]: 36: Hoare triple {101#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:38,010 INFO L290 TraceCheckUtils]: 37: Hoare triple {101#true} #t~short301#1 := #t~short299#1; {101#true} is VALID [2022-02-20 21:09:38,010 INFO L290 TraceCheckUtils]: 38: Hoare triple {101#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {101#true} is VALID [2022-02-20 21:09:38,010 INFO L290 TraceCheckUtils]: 39: Hoare triple {101#true} #t~short303#1 := #t~short301#1; {101#true} is VALID [2022-02-20 21:09:38,011 INFO L290 TraceCheckUtils]: 40: Hoare triple {101#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:38,012 INFO L290 TraceCheckUtils]: 41: Hoare triple {101#true} #t~short305#1 := #t~short303#1; {101#true} is VALID [2022-02-20 21:09:38,012 INFO L290 TraceCheckUtils]: 42: Hoare triple {101#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {101#true} is VALID [2022-02-20 21:09:38,013 INFO L290 TraceCheckUtils]: 43: Hoare triple {101#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {101#true} is VALID [2022-02-20 21:09:38,014 INFO L290 TraceCheckUtils]: 44: Hoare triple {101#true} assume true; {101#true} is VALID [2022-02-20 21:09:38,014 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {101#true} {102#false} #206#return; {102#false} is VALID [2022-02-20 21:09:38,022 INFO L272 TraceCheckUtils]: 46: Hoare triple {102#false} call assume_abort_if_not(#t~ret389); {101#true} is VALID [2022-02-20 21:09:38,023 INFO L290 TraceCheckUtils]: 47: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:38,026 INFO L290 TraceCheckUtils]: 48: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:38,026 INFO L290 TraceCheckUtils]: 49: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:38,028 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {102#false} {102#false} #208#return; {102#false} is VALID [2022-02-20 21:09:38,028 INFO L290 TraceCheckUtils]: 51: Hoare triple {102#false} havoc #t~ret389; {102#false} is VALID [2022-02-20 21:09:38,029 INFO L272 TraceCheckUtils]: 52: Hoare triple {102#false} call #t~ret390 := aws_linked_list_empty(~list.base, ~list.offset); {101#true} is VALID [2022-02-20 21:09:38,029 INFO L290 TraceCheckUtils]: 53: Hoare triple {101#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {101#true} is VALID [2022-02-20 21:09:38,029 INFO L272 TraceCheckUtils]: 54: Hoare triple {101#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {101#true} is VALID [2022-02-20 21:09:38,029 INFO L290 TraceCheckUtils]: 55: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:38,031 INFO L290 TraceCheckUtils]: 56: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:38,031 INFO L290 TraceCheckUtils]: 57: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:38,031 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {102#false} {101#true} #228#return; {102#false} is VALID [2022-02-20 21:09:38,031 INFO L290 TraceCheckUtils]: 59: Hoare triple {102#false} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {102#false} is VALID [2022-02-20 21:09:38,033 INFO L290 TraceCheckUtils]: 60: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:38,033 INFO L284 TraceCheckUtils]: 61: Hoare quadruple {102#false} {102#false} #210#return; {102#false} is VALID [2022-02-20 21:09:38,033 INFO L272 TraceCheckUtils]: 62: Hoare triple {102#false} call assume_abort_if_not((if 0 == (if 0 == #t~ret390 % 256 then 1 else 0) then 0 else 1)); {101#true} is VALID [2022-02-20 21:09:38,033 INFO L290 TraceCheckUtils]: 63: Hoare triple {101#true} ~cond := #in~cond; {101#true} is VALID [2022-02-20 21:09:38,034 INFO L290 TraceCheckUtils]: 64: Hoare triple {101#true} assume 0 == ~cond % 256;assume false; {102#false} is VALID [2022-02-20 21:09:38,034 INFO L290 TraceCheckUtils]: 65: Hoare triple {102#false} assume true; {102#false} is VALID [2022-02-20 21:09:38,035 INFO L284 TraceCheckUtils]: 66: Hoare quadruple {102#false} {102#false} #212#return; {102#false} is VALID [2022-02-20 21:09:38,035 INFO L290 TraceCheckUtils]: 67: Hoare triple {102#false} havoc #t~ret390;call #t~mem391.base, #t~mem391.offset := read~$Pointer$(~list.base, 24 + ~list.offset, 8);~rval~6.base, ~rval~6.offset := #t~mem391.base, #t~mem391.offset;havoc #t~mem391.base, #t~mem391.offset; {102#false} is VALID [2022-02-20 21:09:38,035 INFO L272 TraceCheckUtils]: 68: Hoare triple {102#false} call #t~ret392 := aws_linked_list_is_valid(~list.base, ~list.offset); {101#true} is VALID [2022-02-20 21:09:38,035 INFO L290 TraceCheckUtils]: 69: Hoare triple {101#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:38,036 INFO L290 TraceCheckUtils]: 70: Hoare triple {101#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:38,036 INFO L290 TraceCheckUtils]: 71: Hoare triple {101#true} #t~short301#1 := #t~short299#1; {101#true} is VALID [2022-02-20 21:09:38,036 INFO L290 TraceCheckUtils]: 72: Hoare triple {101#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {101#true} is VALID [2022-02-20 21:09:38,036 INFO L290 TraceCheckUtils]: 73: Hoare triple {101#true} #t~short303#1 := #t~short301#1; {101#true} is VALID [2022-02-20 21:09:38,036 INFO L290 TraceCheckUtils]: 74: Hoare triple {101#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {101#true} is VALID [2022-02-20 21:09:38,037 INFO L290 TraceCheckUtils]: 75: Hoare triple {101#true} #t~short305#1 := #t~short303#1; {101#true} is VALID [2022-02-20 21:09:38,037 INFO L290 TraceCheckUtils]: 76: Hoare triple {101#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {101#true} is VALID [2022-02-20 21:09:38,037 INFO L290 TraceCheckUtils]: 77: Hoare triple {101#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {101#true} is VALID [2022-02-20 21:09:38,037 INFO L290 TraceCheckUtils]: 78: Hoare triple {101#true} assume true; {101#true} is VALID [2022-02-20 21:09:38,038 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {101#true} {102#false} #214#return; {102#false} is VALID [2022-02-20 21:09:38,038 INFO L272 TraceCheckUtils]: 80: Hoare triple {102#false} call __VERIFIER_assert(#t~ret392); {102#false} is VALID [2022-02-20 21:09:38,038 INFO L290 TraceCheckUtils]: 81: Hoare triple {102#false} ~cond := #in~cond; {102#false} is VALID [2022-02-20 21:09:38,038 INFO L290 TraceCheckUtils]: 82: Hoare triple {102#false} assume 0 == ~cond % 256; {102#false} is VALID [2022-02-20 21:09:38,039 INFO L290 TraceCheckUtils]: 83: Hoare triple {102#false} assume !false; {102#false} is VALID [2022-02-20 21:09:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-02-20 21:09:38,041 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:09:38,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129965312] [2022-02-20 21:09:38,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129965312] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:09:38,043 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 21:09:38,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 21:09:38,046 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682798558] [2022-02-20 21:09:38,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:09:38,051 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 84 [2022-02-20 21:09:38,053 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:09:38,056 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-02-20 21:09:38,134 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:09:38,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 21:09:38,134 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:09:38,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 21:09:38,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 21:09:38,165 INFO L87 Difference]: Start difference. First operand has 98 states, 64 states have (on average 1.296875) internal successors, (83), 65 states have internal predecessors, (83), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-02-20 21:09:38,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:09:38,335 INFO L93 Difference]: Finished difference Result 188 states and 271 transitions. [2022-02-20 21:09:38,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 21:09:38,336 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 84 [2022-02-20 21:09:38,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:09:38,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-02-20 21:09:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 271 transitions. [2022-02-20 21:09:38,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-02-20 21:09:38,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 271 transitions. [2022-02-20 21:09:38,377 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 271 transitions. [2022-02-20 21:09:38,632 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 271 edges. 271 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:09:38,645 INFO L225 Difference]: With dead ends: 188 [2022-02-20 21:09:38,646 INFO L226 Difference]: Without dead ends: 93 [2022-02-20 21:09:38,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 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 21:09:38,652 INFO L933 BasicCegarLoop]: 127 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, 127 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 21:09:38,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 21:09:38,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-02-20 21:09:38,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-02-20 21:09:38,684 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:09:38,685 INFO L82 GeneralOperation]: Start isEquivalent. First operand 93 states. Second operand has 93 states, 60 states have (on average 1.25) internal successors, (75), 61 states have internal predecessors, (75), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-02-20 21:09:38,686 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand has 93 states, 60 states have (on average 1.25) internal successors, (75), 61 states have internal predecessors, (75), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-02-20 21:09:38,687 INFO L87 Difference]: Start difference. First operand 93 states. Second operand has 93 states, 60 states have (on average 1.25) internal successors, (75), 61 states have internal predecessors, (75), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-02-20 21:09:38,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:09:38,695 INFO L93 Difference]: Finished difference Result 93 states and 122 transitions. [2022-02-20 21:09:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 122 transitions. [2022-02-20 21:09:38,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:09:38,697 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:09:38,697 INFO L74 IsIncluded]: Start isIncluded. First operand has 93 states, 60 states have (on average 1.25) internal successors, (75), 61 states have internal predecessors, (75), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand 93 states. [2022-02-20 21:09:38,698 INFO L87 Difference]: Start difference. First operand has 93 states, 60 states have (on average 1.25) internal successors, (75), 61 states have internal predecessors, (75), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand 93 states. [2022-02-20 21:09:38,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:09:38,704 INFO L93 Difference]: Finished difference Result 93 states and 122 transitions. [2022-02-20 21:09:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 122 transitions. [2022-02-20 21:09:38,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:09:38,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:09:38,706 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:09:38,706 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:09:38,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 60 states have (on average 1.25) internal successors, (75), 61 states have internal predecessors, (75), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2022-02-20 21:09:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 122 transitions. [2022-02-20 21:09:38,713 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 122 transitions. Word has length 84 [2022-02-20 21:09:38,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:09:38,714 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 122 transitions. [2022-02-20 21:09:38,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-02-20 21:09:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 122 transitions. [2022-02-20 21:09:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-20 21:09:38,717 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:09:38,717 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:09:38,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 21:09:38,718 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:09:38,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:09:38,718 INFO L85 PathProgramCache]: Analyzing trace with hash 463621205, now seen corresponding path program 1 times [2022-02-20 21:09:38,719 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:09:38,719 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291740402] [2022-02-20 21:09:38,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:09:38,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:09:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:38,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:09:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:38,844 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#true} #res := #t~nondet13;havoc #t~nondet13; {743#true} is VALID [2022-02-20 21:09:38,844 INFO L290 TraceCheckUtils]: 1: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:38,844 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {743#true} {743#true} #182#return; {743#true} is VALID [2022-02-20 21:09:38,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-02-20 21:09:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:38,855 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:38,856 INFO L290 TraceCheckUtils]: 1: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:38,856 INFO L290 TraceCheckUtils]: 2: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:38,856 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {743#true} {743#true} #184#return; {743#true} is VALID [2022-02-20 21:09:38,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:09:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:09:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:38,888 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:38,888 INFO L290 TraceCheckUtils]: 1: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:38,888 INFO L290 TraceCheckUtils]: 2: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:38,888 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {743#true} {743#true} #228#return; {743#true} is VALID [2022-02-20 21:09:38,889 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {743#true} is VALID [2022-02-20 21:09:38,889 INFO L272 TraceCheckUtils]: 1: Hoare triple {743#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {743#true} is VALID [2022-02-20 21:09:38,889 INFO L290 TraceCheckUtils]: 2: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:38,891 INFO L290 TraceCheckUtils]: 3: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:38,891 INFO L290 TraceCheckUtils]: 4: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:38,891 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {743#true} {743#true} #228#return; {743#true} is VALID [2022-02-20 21:09:38,891 INFO L290 TraceCheckUtils]: 6: Hoare triple {743#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {743#true} is VALID [2022-02-20 21:09:38,892 INFO L290 TraceCheckUtils]: 7: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:38,892 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {743#true} {743#true} #186#return; {743#true} is VALID [2022-02-20 21:09:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:09:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:38,907 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:38,907 INFO L290 TraceCheckUtils]: 1: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:38,907 INFO L290 TraceCheckUtils]: 2: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:38,908 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {743#true} {743#true} #188#return; {743#true} is VALID [2022-02-20 21:09:38,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-02-20 21:09:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:38,958 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:38,958 INFO L290 TraceCheckUtils]: 1: Hoare triple {743#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:38,958 INFO L290 TraceCheckUtils]: 2: Hoare triple {743#true} #t~short301#1 := #t~short299#1; {743#true} is VALID [2022-02-20 21:09:38,959 INFO L290 TraceCheckUtils]: 3: Hoare triple {743#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {743#true} is VALID [2022-02-20 21:09:38,959 INFO L290 TraceCheckUtils]: 4: Hoare triple {743#true} #t~short303#1 := #t~short301#1; {743#true} is VALID [2022-02-20 21:09:38,959 INFO L290 TraceCheckUtils]: 5: Hoare triple {743#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:38,959 INFO L290 TraceCheckUtils]: 6: Hoare triple {743#true} #t~short305#1 := #t~short303#1; {743#true} is VALID [2022-02-20 21:09:38,960 INFO L290 TraceCheckUtils]: 7: Hoare triple {743#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {743#true} is VALID [2022-02-20 21:09:38,961 INFO L290 TraceCheckUtils]: 8: Hoare triple {743#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {809#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:09:38,961 INFO L290 TraceCheckUtils]: 9: Hoare triple {809#(= 0 |aws_linked_list_is_valid_#res#1|)} assume true; {809#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:09:38,962 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {809#(= 0 |aws_linked_list_is_valid_#res#1|)} {743#true} #206#return; {776#(= |aws_linked_list_back_#t~ret389| 0)} is VALID [2022-02-20 21:09:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-20 21:09:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:39,030 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#true} ~cond := #in~cond; {810#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:09:39,031 INFO L290 TraceCheckUtils]: 1: Hoare triple {810#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond % 256); {811#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:09:39,031 INFO L290 TraceCheckUtils]: 2: Hoare triple {811#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} assume true; {811#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:09:39,032 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {811#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} {776#(= |aws_linked_list_back_#t~ret389| 0)} #208#return; {744#false} is VALID [2022-02-20 21:09:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-02-20 21:09:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:09:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:39,066 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:39,066 INFO L290 TraceCheckUtils]: 1: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:39,066 INFO L290 TraceCheckUtils]: 2: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,066 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {743#true} {743#true} #228#return; {743#true} is VALID [2022-02-20 21:09:39,067 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {743#true} is VALID [2022-02-20 21:09:39,067 INFO L272 TraceCheckUtils]: 1: Hoare triple {743#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {743#true} is VALID [2022-02-20 21:09:39,070 INFO L290 TraceCheckUtils]: 2: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:39,071 INFO L290 TraceCheckUtils]: 3: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:39,071 INFO L290 TraceCheckUtils]: 4: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,071 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {743#true} {743#true} #228#return; {743#true} is VALID [2022-02-20 21:09:39,071 INFO L290 TraceCheckUtils]: 6: Hoare triple {743#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {743#true} is VALID [2022-02-20 21:09:39,072 INFO L290 TraceCheckUtils]: 7: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,072 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {743#true} {744#false} #210#return; {744#false} is VALID [2022-02-20 21:09:39,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-02-20 21:09:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:39,086 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:39,087 INFO L290 TraceCheckUtils]: 1: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:39,087 INFO L290 TraceCheckUtils]: 2: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,087 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {743#true} {744#false} #212#return; {744#false} is VALID [2022-02-20 21:09:39,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-02-20 21:09:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:39,106 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:39,107 INFO L290 TraceCheckUtils]: 1: Hoare triple {743#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:39,107 INFO L290 TraceCheckUtils]: 2: Hoare triple {743#true} #t~short301#1 := #t~short299#1; {743#true} is VALID [2022-02-20 21:09:39,107 INFO L290 TraceCheckUtils]: 3: Hoare triple {743#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {743#true} is VALID [2022-02-20 21:09:39,107 INFO L290 TraceCheckUtils]: 4: Hoare triple {743#true} #t~short303#1 := #t~short301#1; {743#true} is VALID [2022-02-20 21:09:39,107 INFO L290 TraceCheckUtils]: 5: Hoare triple {743#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:39,108 INFO L290 TraceCheckUtils]: 6: Hoare triple {743#true} #t~short305#1 := #t~short303#1; {743#true} is VALID [2022-02-20 21:09:39,108 INFO L290 TraceCheckUtils]: 7: Hoare triple {743#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {743#true} is VALID [2022-02-20 21:09:39,108 INFO L290 TraceCheckUtils]: 8: Hoare triple {743#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {743#true} is VALID [2022-02-20 21:09:39,108 INFO L290 TraceCheckUtils]: 9: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,108 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {743#true} {744#false} #214#return; {744#false} is VALID [2022-02-20 21:09:39,109 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#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; {743#true} is VALID [2022-02-20 21:09:39,109 INFO L290 TraceCheckUtils]: 1: Hoare triple {743#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_back_harness } true;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset, aws_linked_list_back_harness_#t~ret679#1, aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset, aws_linked_list_back_harness_#t~ret681#1, aws_linked_list_back_harness_#t~ret682#1, aws_linked_list_back_harness_#t~ret683#1, aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset, aws_linked_list_back_harness_~back~1#1.base, aws_linked_list_back_harness_~back~1#1.offset;call aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {743#true} is VALID [2022-02-20 21:09:39,109 INFO L272 TraceCheckUtils]: 2: Hoare triple {743#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {743#true} is VALID [2022-02-20 21:09:39,110 INFO L290 TraceCheckUtils]: 3: Hoare triple {743#true} #res := #t~nondet13;havoc #t~nondet13; {743#true} is VALID [2022-02-20 21:09:39,110 INFO L290 TraceCheckUtils]: 4: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,110 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {743#true} {743#true} #182#return; {743#true} is VALID [2022-02-20 21:09:39,110 INFO L290 TraceCheckUtils]: 6: Hoare triple {743#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {743#true} is VALID [2022-02-20 21:09:39,111 INFO L272 TraceCheckUtils]: 7: Hoare triple {743#true} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {743#true} is VALID [2022-02-20 21:09:39,111 INFO L290 TraceCheckUtils]: 8: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:39,111 INFO L290 TraceCheckUtils]: 9: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:39,111 INFO L290 TraceCheckUtils]: 10: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,111 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {743#true} {743#true} #184#return; {743#true} is VALID [2022-02-20 21:09:39,112 INFO L290 TraceCheckUtils]: 12: Hoare triple {743#true} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {743#true} is VALID [2022-02-20 21:09:39,112 INFO L290 TraceCheckUtils]: 13: Hoare triple {743#true} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {743#true} is VALID [2022-02-20 21:09:39,112 INFO L290 TraceCheckUtils]: 14: Hoare triple {743#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {743#true} is VALID [2022-02-20 21:09:39,112 INFO L290 TraceCheckUtils]: 15: Hoare triple {743#true} assume { :end_inline_ensure_linked_list_is_allocated } true;call aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset := read~$Pointer$(aws_linked_list_back_harness_~#list~0#1.base, 24 + aws_linked_list_back_harness_~#list~0#1.offset, 8);aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset := aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset; {743#true} is VALID [2022-02-20 21:09:39,112 INFO L272 TraceCheckUtils]: 16: Hoare triple {743#true} call aws_linked_list_back_harness_#t~ret679#1 := aws_linked_list_empty(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {743#true} is VALID [2022-02-20 21:09:39,113 INFO L290 TraceCheckUtils]: 17: Hoare triple {743#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {743#true} is VALID [2022-02-20 21:09:39,118 INFO L272 TraceCheckUtils]: 18: Hoare triple {743#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {743#true} is VALID [2022-02-20 21:09:39,118 INFO L290 TraceCheckUtils]: 19: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:39,119 INFO L290 TraceCheckUtils]: 20: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:39,120 INFO L290 TraceCheckUtils]: 21: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,120 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {743#true} {743#true} #228#return; {743#true} is VALID [2022-02-20 21:09:39,121 INFO L290 TraceCheckUtils]: 23: Hoare triple {743#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {743#true} is VALID [2022-02-20 21:09:39,121 INFO L290 TraceCheckUtils]: 24: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,121 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {743#true} {743#true} #186#return; {743#true} is VALID [2022-02-20 21:09:39,121 INFO L272 TraceCheckUtils]: 26: Hoare triple {743#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_harness_#t~ret679#1 % 256 then 1 else 0) then 0 else 1)); {743#true} is VALID [2022-02-20 21:09:39,121 INFO L290 TraceCheckUtils]: 27: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:39,121 INFO L290 TraceCheckUtils]: 28: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:39,122 INFO L290 TraceCheckUtils]: 29: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,122 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {743#true} {743#true} #188#return; {743#true} is VALID [2022-02-20 21:09:39,122 INFO L290 TraceCheckUtils]: 31: Hoare triple {743#true} havoc aws_linked_list_back_harness_#t~ret679#1; {743#true} is VALID [2022-02-20 21:09:39,122 INFO L272 TraceCheckUtils]: 32: Hoare triple {743#true} call aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset := aws_linked_list_back(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {743#true} is VALID [2022-02-20 21:09:39,122 INFO L290 TraceCheckUtils]: 33: Hoare triple {743#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {743#true} is VALID [2022-02-20 21:09:39,123 INFO L272 TraceCheckUtils]: 34: Hoare triple {743#true} call #t~ret389 := aws_linked_list_is_valid(~list.base, ~list.offset); {743#true} is VALID [2022-02-20 21:09:39,123 INFO L290 TraceCheckUtils]: 35: Hoare triple {743#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:39,123 INFO L290 TraceCheckUtils]: 36: Hoare triple {743#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:39,123 INFO L290 TraceCheckUtils]: 37: Hoare triple {743#true} #t~short301#1 := #t~short299#1; {743#true} is VALID [2022-02-20 21:09:39,123 INFO L290 TraceCheckUtils]: 38: Hoare triple {743#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {743#true} is VALID [2022-02-20 21:09:39,123 INFO L290 TraceCheckUtils]: 39: Hoare triple {743#true} #t~short303#1 := #t~short301#1; {743#true} is VALID [2022-02-20 21:09:39,124 INFO L290 TraceCheckUtils]: 40: Hoare triple {743#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:39,124 INFO L290 TraceCheckUtils]: 41: Hoare triple {743#true} #t~short305#1 := #t~short303#1; {743#true} is VALID [2022-02-20 21:09:39,124 INFO L290 TraceCheckUtils]: 42: Hoare triple {743#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {743#true} is VALID [2022-02-20 21:09:39,125 INFO L290 TraceCheckUtils]: 43: Hoare triple {743#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {809#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:09:39,125 INFO L290 TraceCheckUtils]: 44: Hoare triple {809#(= 0 |aws_linked_list_is_valid_#res#1|)} assume true; {809#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:09:39,126 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {809#(= 0 |aws_linked_list_is_valid_#res#1|)} {743#true} #206#return; {776#(= |aws_linked_list_back_#t~ret389| 0)} is VALID [2022-02-20 21:09:39,126 INFO L272 TraceCheckUtils]: 46: Hoare triple {776#(= |aws_linked_list_back_#t~ret389| 0)} call assume_abort_if_not(#t~ret389); {743#true} is VALID [2022-02-20 21:09:39,127 INFO L290 TraceCheckUtils]: 47: Hoare triple {743#true} ~cond := #in~cond; {810#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:09:39,127 INFO L290 TraceCheckUtils]: 48: Hoare triple {810#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond % 256); {811#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:09:39,128 INFO L290 TraceCheckUtils]: 49: Hoare triple {811#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} assume true; {811#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:09:39,129 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {811#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} {776#(= |aws_linked_list_back_#t~ret389| 0)} #208#return; {744#false} is VALID [2022-02-20 21:09:39,129 INFO L290 TraceCheckUtils]: 51: Hoare triple {744#false} havoc #t~ret389; {744#false} is VALID [2022-02-20 21:09:39,129 INFO L272 TraceCheckUtils]: 52: Hoare triple {744#false} call #t~ret390 := aws_linked_list_empty(~list.base, ~list.offset); {743#true} is VALID [2022-02-20 21:09:39,129 INFO L290 TraceCheckUtils]: 53: Hoare triple {743#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {743#true} is VALID [2022-02-20 21:09:39,129 INFO L272 TraceCheckUtils]: 54: Hoare triple {743#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {743#true} is VALID [2022-02-20 21:09:39,130 INFO L290 TraceCheckUtils]: 55: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:39,130 INFO L290 TraceCheckUtils]: 56: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:39,130 INFO L290 TraceCheckUtils]: 57: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,130 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {743#true} {743#true} #228#return; {743#true} is VALID [2022-02-20 21:09:39,130 INFO L290 TraceCheckUtils]: 59: Hoare triple {743#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {743#true} is VALID [2022-02-20 21:09:39,130 INFO L290 TraceCheckUtils]: 60: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,131 INFO L284 TraceCheckUtils]: 61: Hoare quadruple {743#true} {744#false} #210#return; {744#false} is VALID [2022-02-20 21:09:39,131 INFO L272 TraceCheckUtils]: 62: Hoare triple {744#false} call assume_abort_if_not((if 0 == (if 0 == #t~ret390 % 256 then 1 else 0) then 0 else 1)); {743#true} is VALID [2022-02-20 21:09:39,131 INFO L290 TraceCheckUtils]: 63: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:39,131 INFO L290 TraceCheckUtils]: 64: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:39,131 INFO L290 TraceCheckUtils]: 65: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,132 INFO L284 TraceCheckUtils]: 66: Hoare quadruple {743#true} {744#false} #212#return; {744#false} is VALID [2022-02-20 21:09:39,132 INFO L290 TraceCheckUtils]: 67: Hoare triple {744#false} havoc #t~ret390;call #t~mem391.base, #t~mem391.offset := read~$Pointer$(~list.base, 24 + ~list.offset, 8);~rval~6.base, ~rval~6.offset := #t~mem391.base, #t~mem391.offset;havoc #t~mem391.base, #t~mem391.offset; {744#false} is VALID [2022-02-20 21:09:39,132 INFO L272 TraceCheckUtils]: 68: Hoare triple {744#false} call #t~ret392 := aws_linked_list_is_valid(~list.base, ~list.offset); {743#true} is VALID [2022-02-20 21:09:39,132 INFO L290 TraceCheckUtils]: 69: Hoare triple {743#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:39,132 INFO L290 TraceCheckUtils]: 70: Hoare triple {743#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:39,132 INFO L290 TraceCheckUtils]: 71: Hoare triple {743#true} #t~short301#1 := #t~short299#1; {743#true} is VALID [2022-02-20 21:09:39,133 INFO L290 TraceCheckUtils]: 72: Hoare triple {743#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {743#true} is VALID [2022-02-20 21:09:39,133 INFO L290 TraceCheckUtils]: 73: Hoare triple {743#true} #t~short303#1 := #t~short301#1; {743#true} is VALID [2022-02-20 21:09:39,133 INFO L290 TraceCheckUtils]: 74: Hoare triple {743#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {743#true} is VALID [2022-02-20 21:09:39,133 INFO L290 TraceCheckUtils]: 75: Hoare triple {743#true} #t~short305#1 := #t~short303#1; {743#true} is VALID [2022-02-20 21:09:39,133 INFO L290 TraceCheckUtils]: 76: Hoare triple {743#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {743#true} is VALID [2022-02-20 21:09:39,133 INFO L290 TraceCheckUtils]: 77: Hoare triple {743#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {743#true} is VALID [2022-02-20 21:09:39,134 INFO L290 TraceCheckUtils]: 78: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:39,134 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {743#true} {744#false} #214#return; {744#false} is VALID [2022-02-20 21:09:39,134 INFO L272 TraceCheckUtils]: 80: Hoare triple {744#false} call __VERIFIER_assert(#t~ret392); {744#false} is VALID [2022-02-20 21:09:39,134 INFO L290 TraceCheckUtils]: 81: Hoare triple {744#false} ~cond := #in~cond; {744#false} is VALID [2022-02-20 21:09:39,134 INFO L290 TraceCheckUtils]: 82: Hoare triple {744#false} assume 0 == ~cond % 256; {744#false} is VALID [2022-02-20 21:09:39,135 INFO L290 TraceCheckUtils]: 83: Hoare triple {744#false} assume !false; {744#false} is VALID [2022-02-20 21:09:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-02-20 21:09:39,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:09:39,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291740402] [2022-02-20 21:09:39,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291740402] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:09:39,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626384917] [2022-02-20 21:09:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:09:39,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:09:39,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:09:39,139 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 21:09:39,155 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 21:09:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:39,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 62 conjunts are in the unsatisfiable core [2022-02-20 21:09:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:39,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:09:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:09:39,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-02-20 21:09:39,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:09:39,589 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-02-20 21:09:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:09:39,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:09:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:09:39,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-02-20 21:09:39,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:09:39,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:09:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 21:09:39,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-02-20 21:09:42,004 INFO L290 TraceCheckUtils]: 0: Hoare triple {743#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; {743#true} is VALID [2022-02-20 21:09:42,006 INFO L290 TraceCheckUtils]: 1: Hoare triple {743#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_back_harness } true;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset, aws_linked_list_back_harness_#t~ret679#1, aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset, aws_linked_list_back_harness_#t~ret681#1, aws_linked_list_back_harness_#t~ret682#1, aws_linked_list_back_harness_#t~ret683#1, aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset, aws_linked_list_back_harness_~back~1#1.base, aws_linked_list_back_harness_~back~1#1.offset;call aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {822#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} is VALID [2022-02-20 21:09:42,006 INFO L272 TraceCheckUtils]: 2: Hoare triple {822#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {743#true} is VALID [2022-02-20 21:09:42,007 INFO L290 TraceCheckUtils]: 3: Hoare triple {743#true} #res := #t~nondet13;havoc #t~nondet13; {743#true} is VALID [2022-02-20 21:09:42,007 INFO L290 TraceCheckUtils]: 4: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:42,008 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {743#true} {822#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} #182#return; {822#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} is VALID [2022-02-20 21:09:42,008 INFO L290 TraceCheckUtils]: 6: Hoare triple {822#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {822#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} is VALID [2022-02-20 21:09:42,008 INFO L272 TraceCheckUtils]: 7: Hoare triple {822#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {743#true} is VALID [2022-02-20 21:09:42,008 INFO L290 TraceCheckUtils]: 8: Hoare triple {743#true} ~cond := #in~cond; {743#true} is VALID [2022-02-20 21:09:42,009 INFO L290 TraceCheckUtils]: 9: Hoare triple {743#true} assume !(0 == ~cond % 256); {743#true} is VALID [2022-02-20 21:09:42,009 INFO L290 TraceCheckUtils]: 10: Hoare triple {743#true} assume true; {743#true} is VALID [2022-02-20 21:09:42,010 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {743#true} {822#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} #184#return; {822#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} is VALID [2022-02-20 21:09:42,016 INFO L290 TraceCheckUtils]: 12: Hoare triple {822#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {856#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)) 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)) 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} is VALID [2022-02-20 21:09:42,017 INFO L290 TraceCheckUtils]: 13: Hoare triple {856#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)) 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)) 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {856#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)) 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)) 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} is VALID [2022-02-20 21:09:42,018 INFO L290 TraceCheckUtils]: 14: Hoare triple {856#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)) 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset|) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) (+ |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)) 0) (= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|))} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} is VALID [2022-02-20 21:09:42,019 INFO L290 TraceCheckUtils]: 15: Hoare triple {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} assume { :end_inline_ensure_linked_list_is_allocated } true;call aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset := read~$Pointer$(aws_linked_list_back_harness_~#list~0#1.base, 24 + aws_linked_list_back_harness_~#list~0#1.offset, 8);aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset := aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset; {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} is VALID [2022-02-20 21:09:42,020 INFO L272 TraceCheckUtils]: 16: Hoare triple {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} call aws_linked_list_back_harness_#t~ret679#1 := aws_linked_list_empty(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,021 INFO L290 TraceCheckUtils]: 17: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,021 INFO L272 TraceCheckUtils]: 18: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,022 INFO L290 TraceCheckUtils]: 19: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} ~cond := #in~cond; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,022 INFO L290 TraceCheckUtils]: 20: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume !(0 == ~cond % 256); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,023 INFO L290 TraceCheckUtils]: 21: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume true; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,024 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} #228#return; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,024 INFO L290 TraceCheckUtils]: 23: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,030 INFO L290 TraceCheckUtils]: 24: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume true; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,031 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} #186#return; {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} is VALID [2022-02-20 21:09:42,033 INFO L272 TraceCheckUtils]: 26: Hoare triple {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_harness_#t~ret679#1 % 256 then 1 else 0) then 0 else 1)); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,033 INFO L290 TraceCheckUtils]: 27: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} ~cond := #in~cond; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,033 INFO L290 TraceCheckUtils]: 28: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume !(0 == ~cond % 256); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,034 INFO L290 TraceCheckUtils]: 29: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume true; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,035 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} #188#return; {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} is VALID [2022-02-20 21:09:42,035 INFO L290 TraceCheckUtils]: 31: Hoare triple {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} havoc aws_linked_list_back_harness_#t~ret679#1; {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} is VALID [2022-02-20 21:09:42,036 INFO L272 TraceCheckUtils]: 32: Hoare triple {863#(and (= |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|) (+ 16 |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.offset|)) 0))} call aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset := aws_linked_list_back(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {919#(and (= |aws_linked_list_back_#in~list.offset| 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_back_#in~list.base|) 16) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_back_#in~list.base|) 16) 0))} is VALID [2022-02-20 21:09:42,037 INFO L290 TraceCheckUtils]: 33: Hoare triple {919#(and (= |aws_linked_list_back_#in~list.offset| 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_back_#in~list.base|) 16) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_back_#in~list.base|) 16) 0))} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} is VALID [2022-02-20 21:09:42,039 INFO L272 TraceCheckUtils]: 34: Hoare triple {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} call #t~ret389 := aws_linked_list_is_valid(~list.base, ~list.offset); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,040 INFO L290 TraceCheckUtils]: 35: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,042 INFO L290 TraceCheckUtils]: 36: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,043 INFO L290 TraceCheckUtils]: 37: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} #t~short301#1 := #t~short299#1; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,044 INFO L290 TraceCheckUtils]: 38: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,045 INFO L290 TraceCheckUtils]: 39: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} #t~short303#1 := #t~short301#1; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,046 INFO L290 TraceCheckUtils]: 40: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,046 INFO L290 TraceCheckUtils]: 41: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} #t~short305#1 := #t~short303#1; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,047 INFO L290 TraceCheckUtils]: 42: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,047 INFO L290 TraceCheckUtils]: 43: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,048 INFO L290 TraceCheckUtils]: 44: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume true; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,049 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} #206#return; {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} is VALID [2022-02-20 21:09:42,050 INFO L272 TraceCheckUtils]: 46: Hoare triple {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} call assume_abort_if_not(#t~ret389); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,060 INFO L290 TraceCheckUtils]: 47: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} ~cond := #in~cond; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,063 INFO L290 TraceCheckUtils]: 48: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume !(0 == ~cond % 256); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,064 INFO L290 TraceCheckUtils]: 49: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume true; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,065 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} #208#return; {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} is VALID [2022-02-20 21:09:42,065 INFO L290 TraceCheckUtils]: 51: Hoare triple {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} havoc #t~ret389; {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} is VALID [2022-02-20 21:09:42,066 INFO L272 TraceCheckUtils]: 52: Hoare triple {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} call #t~ret390 := aws_linked_list_empty(~list.base, ~list.offset); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,067 INFO L290 TraceCheckUtils]: 53: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,067 INFO L272 TraceCheckUtils]: 54: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,068 INFO L290 TraceCheckUtils]: 55: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} ~cond := #in~cond; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,068 INFO L290 TraceCheckUtils]: 56: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume !(0 == ~cond % 256); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,069 INFO L290 TraceCheckUtils]: 57: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume true; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,070 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} #228#return; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,070 INFO L290 TraceCheckUtils]: 59: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,071 INFO L290 TraceCheckUtils]: 60: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume true; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,072 INFO L284 TraceCheckUtils]: 61: Hoare quadruple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} #210#return; {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} is VALID [2022-02-20 21:09:42,074 INFO L272 TraceCheckUtils]: 62: Hoare triple {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} call assume_abort_if_not((if 0 == (if 0 == #t~ret390 % 256 then 1 else 0) then 0 else 1)); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,075 INFO L290 TraceCheckUtils]: 63: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} ~cond := #in~cond; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,076 INFO L290 TraceCheckUtils]: 64: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume !(0 == ~cond % 256); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,079 INFO L290 TraceCheckUtils]: 65: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} assume true; {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,081 INFO L284 TraceCheckUtils]: 66: Hoare quadruple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} #212#return; {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} is VALID [2022-02-20 21:09:42,083 INFO L290 TraceCheckUtils]: 67: Hoare triple {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} havoc #t~ret390;call #t~mem391.base, #t~mem391.offset := read~$Pointer$(~list.base, 24 + ~list.offset, 8);~rval~6.base, ~rval~6.offset := #t~mem391.base, #t~mem391.offset;havoc #t~mem391.base, #t~mem391.offset; {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} is VALID [2022-02-20 21:09:42,084 INFO L272 TraceCheckUtils]: 68: Hoare triple {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} call #t~ret392 := aws_linked_list_is_valid(~list.base, ~list.offset); {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} is VALID [2022-02-20 21:09:42,085 INFO L290 TraceCheckUtils]: 69: Hoare triple {870#(exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0)))} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,086 INFO L290 TraceCheckUtils]: 70: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,087 INFO L290 TraceCheckUtils]: 71: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} #t~short301#1 := #t~short299#1; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,088 INFO L290 TraceCheckUtils]: 72: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,089 INFO L290 TraceCheckUtils]: 73: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} #t~short303#1 := #t~short301#1; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,090 INFO L290 TraceCheckUtils]: 74: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,091 INFO L290 TraceCheckUtils]: 75: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} #t~short305#1 := #t~short303#1; {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:09:42,092 INFO L290 TraceCheckUtils]: 76: Hoare triple {930#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1054#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (or (and |aws_linked_list_is_valid_#t~short305#1| (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0)) (and (not |aws_linked_list_is_valid_#t~short305#1|) (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0))))))} is VALID [2022-02-20 21:09:42,093 INFO L290 TraceCheckUtils]: 77: Hoare triple {1054#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (or (and |aws_linked_list_is_valid_#t~short305#1| (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0)) (and (not |aws_linked_list_is_valid_#t~short305#1|) (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0))))))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1058#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0))))} is VALID [2022-02-20 21:09:42,093 INFO L290 TraceCheckUtils]: 78: Hoare triple {1058#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0))))} assume true; {1058#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0))))} is VALID [2022-02-20 21:09:42,095 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {1058#(and (exists ((|v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3| Int)) (and (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base_BEFORE_CALL_3|) 16) 0))) (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ 16 |aws_linked_list_is_valid_#in~list#1.offset|)) 0))))} {923#(and (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) 16) 0) (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) 16) 0) (= aws_linked_list_back_~list.offset 0))} #214#return; {744#false} is VALID [2022-02-20 21:09:42,095 INFO L272 TraceCheckUtils]: 80: Hoare triple {744#false} call __VERIFIER_assert(#t~ret392); {744#false} is VALID [2022-02-20 21:09:42,096 INFO L290 TraceCheckUtils]: 81: Hoare triple {744#false} ~cond := #in~cond; {744#false} is VALID [2022-02-20 21:09:42,096 INFO L290 TraceCheckUtils]: 82: Hoare triple {744#false} assume 0 == ~cond % 256; {744#false} is VALID [2022-02-20 21:09:42,096 INFO L290 TraceCheckUtils]: 83: Hoare triple {744#false} assume !false; {744#false} is VALID [2022-02-20 21:09:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-02-20 21:09:42,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 21:09:42,098 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626384917] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 21:09:42,098 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 21:09:42,098 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2022-02-20 21:09:42,099 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819271322] [2022-02-20 21:09:42,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 21:09:42,101 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 84 [2022-02-20 21:09:42,102 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:09:42,103 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2022-02-20 21:09:42,173 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:09:42,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 21:09:42,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:09:42,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 21:09:42,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-02-20 21:09:42,175 INFO L87 Difference]: Start difference. First operand 93 states and 122 transitions. Second operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2022-02-20 21:09:43,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:09:43,707 INFO L93 Difference]: Finished difference Result 204 states and 277 transitions. [2022-02-20 21:09:43,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-20 21:09:43,707 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 84 [2022-02-20 21:09:43,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 21:09:43,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2022-02-20 21:09:43,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 277 transitions. [2022-02-20 21:09:43,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2022-02-20 21:09:43,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 277 transitions. [2022-02-20 21:09:43,731 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 277 transitions. [2022-02-20 21:09:43,980 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 277 edges. 277 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:09:43,987 INFO L225 Difference]: With dead ends: 204 [2022-02-20 21:09:43,987 INFO L226 Difference]: Without dead ends: 145 [2022-02-20 21:09:43,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 85 SyntacticMatches, 12 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-02-20 21:09:43,989 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 36 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 155 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 21:09:43,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 993 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 124 Invalid, 0 Unknown, 155 Unchecked, 0.2s Time] [2022-02-20 21:09:43,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-02-20 21:09:44,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 131. [2022-02-20 21:09:44,002 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 21:09:44,002 INFO L82 GeneralOperation]: Start isEquivalent. First operand 145 states. Second operand has 131 states, 85 states have (on average 1.2588235294117647) internal successors, (107), 88 states have internal predecessors, (107), 33 states have call successors, (33), 12 states have call predecessors, (33), 12 states have return successors, (35), 30 states have call predecessors, (35), 32 states have call successors, (35) [2022-02-20 21:09:44,003 INFO L74 IsIncluded]: Start isIncluded. First operand 145 states. Second operand has 131 states, 85 states have (on average 1.2588235294117647) internal successors, (107), 88 states have internal predecessors, (107), 33 states have call successors, (33), 12 states have call predecessors, (33), 12 states have return successors, (35), 30 states have call predecessors, (35), 32 states have call successors, (35) [2022-02-20 21:09:44,004 INFO L87 Difference]: Start difference. First operand 145 states. Second operand has 131 states, 85 states have (on average 1.2588235294117647) internal successors, (107), 88 states have internal predecessors, (107), 33 states have call successors, (33), 12 states have call predecessors, (33), 12 states have return successors, (35), 30 states have call predecessors, (35), 32 states have call successors, (35) [2022-02-20 21:09:44,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:09:44,011 INFO L93 Difference]: Finished difference Result 145 states and 196 transitions. [2022-02-20 21:09:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 196 transitions. [2022-02-20 21:09:44,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:09:44,013 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:09:44,014 INFO L74 IsIncluded]: Start isIncluded. First operand has 131 states, 85 states have (on average 1.2588235294117647) internal successors, (107), 88 states have internal predecessors, (107), 33 states have call successors, (33), 12 states have call predecessors, (33), 12 states have return successors, (35), 30 states have call predecessors, (35), 32 states have call successors, (35) Second operand 145 states. [2022-02-20 21:09:44,014 INFO L87 Difference]: Start difference. First operand has 131 states, 85 states have (on average 1.2588235294117647) internal successors, (107), 88 states have internal predecessors, (107), 33 states have call successors, (33), 12 states have call predecessors, (33), 12 states have return successors, (35), 30 states have call predecessors, (35), 32 states have call successors, (35) Second operand 145 states. [2022-02-20 21:09:44,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 21:09:44,021 INFO L93 Difference]: Finished difference Result 145 states and 196 transitions. [2022-02-20 21:09:44,021 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 196 transitions. [2022-02-20 21:09:44,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 21:09:44,023 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 21:09:44,023 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 21:09:44,023 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 21:09:44,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 85 states have (on average 1.2588235294117647) internal successors, (107), 88 states have internal predecessors, (107), 33 states have call successors, (33), 12 states have call predecessors, (33), 12 states have return successors, (35), 30 states have call predecessors, (35), 32 states have call successors, (35) [2022-02-20 21:09:44,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 175 transitions. [2022-02-20 21:09:44,030 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 175 transitions. Word has length 84 [2022-02-20 21:09:44,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 21:09:44,030 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 175 transitions. [2022-02-20 21:09:44,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2022-02-20 21:09:44,031 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 175 transitions. [2022-02-20 21:09:44,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-20 21:09:44,032 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 21:09:44,032 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 21:09:44,056 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 21:09:44,247 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 21:09:44,248 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 21:09:44,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 21:09:44,248 INFO L85 PathProgramCache]: Analyzing trace with hash -345725421, now seen corresponding path program 1 times [2022-02-20 21:09:44,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 21:09:44,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368692462] [2022-02-20 21:09:44,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:09:44,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 21:09:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 21:09:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,361 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} #res := #t~nondet13;havoc #t~nondet13; {1830#true} is VALID [2022-02-20 21:09:44,362 INFO L290 TraceCheckUtils]: 1: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,362 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1830#true} {1830#true} #182#return; {1830#true} is VALID [2022-02-20 21:09:44,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-02-20 21:09:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,370 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,371 INFO L290 TraceCheckUtils]: 1: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,371 INFO L290 TraceCheckUtils]: 2: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,371 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1830#true} {1830#true} #184#return; {1830#true} is VALID [2022-02-20 21:09:44,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-02-20 21:09:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:09:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,392 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,392 INFO L290 TraceCheckUtils]: 1: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,393 INFO L290 TraceCheckUtils]: 2: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,393 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1830#true} {1830#true} #228#return; {1830#true} is VALID [2022-02-20 21:09:44,394 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1830#true} is VALID [2022-02-20 21:09:44,394 INFO L272 TraceCheckUtils]: 1: Hoare triple {1830#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1830#true} is VALID [2022-02-20 21:09:44,394 INFO L290 TraceCheckUtils]: 2: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,394 INFO L290 TraceCheckUtils]: 3: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,394 INFO L290 TraceCheckUtils]: 4: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,395 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1830#true} {1830#true} #228#return; {1830#true} is VALID [2022-02-20 21:09:44,395 INFO L290 TraceCheckUtils]: 6: Hoare triple {1830#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1830#true} is VALID [2022-02-20 21:09:44,395 INFO L290 TraceCheckUtils]: 7: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,395 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1830#true} {1830#true} #186#return; {1830#true} is VALID [2022-02-20 21:09:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 21:09:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,404 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,404 INFO L290 TraceCheckUtils]: 1: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,405 INFO L290 TraceCheckUtils]: 2: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,405 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1830#true} {1830#true} #188#return; {1830#true} is VALID [2022-02-20 21:09:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-02-20 21:09:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,436 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,436 INFO L290 TraceCheckUtils]: 1: Hoare triple {1830#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,436 INFO L290 TraceCheckUtils]: 2: Hoare triple {1830#true} #t~short301#1 := #t~short299#1; {1830#true} is VALID [2022-02-20 21:09:44,436 INFO L290 TraceCheckUtils]: 3: Hoare triple {1830#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {1830#true} is VALID [2022-02-20 21:09:44,437 INFO L290 TraceCheckUtils]: 4: Hoare triple {1830#true} #t~short303#1 := #t~short301#1; {1830#true} is VALID [2022-02-20 21:09:44,437 INFO L290 TraceCheckUtils]: 5: Hoare triple {1830#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,437 INFO L290 TraceCheckUtils]: 6: Hoare triple {1830#true} #t~short305#1 := #t~short303#1; {1830#true} is VALID [2022-02-20 21:09:44,437 INFO L290 TraceCheckUtils]: 7: Hoare triple {1830#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1830#true} is VALID [2022-02-20 21:09:44,438 INFO L290 TraceCheckUtils]: 8: Hoare triple {1830#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1896#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:09:44,438 INFO L290 TraceCheckUtils]: 9: Hoare triple {1896#(= 0 |aws_linked_list_is_valid_#res#1|)} assume true; {1896#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:09:44,439 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1896#(= 0 |aws_linked_list_is_valid_#res#1|)} {1830#true} #206#return; {1863#(= |aws_linked_list_back_#t~ret389| 0)} is VALID [2022-02-20 21:09:44,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-02-20 21:09:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,469 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} ~cond := #in~cond; {1897#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:09:44,470 INFO L290 TraceCheckUtils]: 1: Hoare triple {1897#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond % 256); {1898#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:09:44,470 INFO L290 TraceCheckUtils]: 2: Hoare triple {1898#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} assume true; {1898#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:09:44,471 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1898#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} {1863#(= |aws_linked_list_back_#t~ret389| 0)} #208#return; {1831#false} is VALID [2022-02-20 21:09:44,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-02-20 21:09:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-20 21:09:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,487 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,488 INFO L290 TraceCheckUtils]: 1: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,488 INFO L290 TraceCheckUtils]: 2: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,488 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1830#true} {1830#true} #228#return; {1830#true} is VALID [2022-02-20 21:09:44,488 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1830#true} is VALID [2022-02-20 21:09:44,488 INFO L272 TraceCheckUtils]: 1: Hoare triple {1830#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1830#true} is VALID [2022-02-20 21:09:44,489 INFO L290 TraceCheckUtils]: 2: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,489 INFO L290 TraceCheckUtils]: 3: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,489 INFO L290 TraceCheckUtils]: 4: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,489 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1830#true} {1830#true} #228#return; {1830#true} is VALID [2022-02-20 21:09:44,489 INFO L290 TraceCheckUtils]: 6: Hoare triple {1830#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1830#true} is VALID [2022-02-20 21:09:44,489 INFO L290 TraceCheckUtils]: 7: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,489 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1830#true} {1831#false} #210#return; {1831#false} is VALID [2022-02-20 21:09:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-02-20 21:09:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,497 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,498 INFO L290 TraceCheckUtils]: 1: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,498 INFO L290 TraceCheckUtils]: 2: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,498 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1830#true} {1831#false} #212#return; {1831#false} is VALID [2022-02-20 21:09:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-02-20 21:09:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,508 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,508 INFO L290 TraceCheckUtils]: 1: Hoare triple {1830#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,509 INFO L290 TraceCheckUtils]: 2: Hoare triple {1830#true} #t~short301#1 := #t~short299#1; {1830#true} is VALID [2022-02-20 21:09:44,509 INFO L290 TraceCheckUtils]: 3: Hoare triple {1830#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {1830#true} is VALID [2022-02-20 21:09:44,509 INFO L290 TraceCheckUtils]: 4: Hoare triple {1830#true} #t~short303#1 := #t~short301#1; {1830#true} is VALID [2022-02-20 21:09:44,509 INFO L290 TraceCheckUtils]: 5: Hoare triple {1830#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,509 INFO L290 TraceCheckUtils]: 6: Hoare triple {1830#true} #t~short305#1 := #t~short303#1; {1830#true} is VALID [2022-02-20 21:09:44,509 INFO L290 TraceCheckUtils]: 7: Hoare triple {1830#true} assume !#t~short305#1; {1830#true} is VALID [2022-02-20 21:09:44,510 INFO L290 TraceCheckUtils]: 8: Hoare triple {1830#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1830#true} is VALID [2022-02-20 21:09:44,510 INFO L290 TraceCheckUtils]: 9: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,510 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1830#true} {1831#false} #214#return; {1831#false} is VALID [2022-02-20 21:09:44,510 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#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; {1830#true} is VALID [2022-02-20 21:09:44,510 INFO L290 TraceCheckUtils]: 1: Hoare triple {1830#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_back_harness } true;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset, aws_linked_list_back_harness_#t~ret679#1, aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset, aws_linked_list_back_harness_#t~ret681#1, aws_linked_list_back_harness_#t~ret682#1, aws_linked_list_back_harness_#t~ret683#1, aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset, aws_linked_list_back_harness_~back~1#1.base, aws_linked_list_back_harness_~back~1#1.offset;call aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {1830#true} is VALID [2022-02-20 21:09:44,510 INFO L272 TraceCheckUtils]: 2: Hoare triple {1830#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {1830#true} is VALID [2022-02-20 21:09:44,511 INFO L290 TraceCheckUtils]: 3: Hoare triple {1830#true} #res := #t~nondet13;havoc #t~nondet13; {1830#true} is VALID [2022-02-20 21:09:44,511 INFO L290 TraceCheckUtils]: 4: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,511 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1830#true} {1830#true} #182#return; {1830#true} is VALID [2022-02-20 21:09:44,511 INFO L290 TraceCheckUtils]: 6: Hoare triple {1830#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {1830#true} is VALID [2022-02-20 21:09:44,511 INFO L272 TraceCheckUtils]: 7: Hoare triple {1830#true} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {1830#true} is VALID [2022-02-20 21:09:44,511 INFO L290 TraceCheckUtils]: 8: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,511 INFO L290 TraceCheckUtils]: 9: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,512 INFO L290 TraceCheckUtils]: 10: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,512 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {1830#true} {1830#true} #184#return; {1830#true} is VALID [2022-02-20 21:09:44,512 INFO L290 TraceCheckUtils]: 12: Hoare triple {1830#true} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {1830#true} is VALID [2022-02-20 21:09:44,512 INFO L290 TraceCheckUtils]: 13: Hoare triple {1830#true} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {1830#true} is VALID [2022-02-20 21:09:44,512 INFO L290 TraceCheckUtils]: 14: Hoare triple {1830#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {1830#true} is VALID [2022-02-20 21:09:44,512 INFO L290 TraceCheckUtils]: 15: Hoare triple {1830#true} assume { :end_inline_ensure_linked_list_is_allocated } true;call aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset := read~$Pointer$(aws_linked_list_back_harness_~#list~0#1.base, 24 + aws_linked_list_back_harness_~#list~0#1.offset, 8);aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset := aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset; {1830#true} is VALID [2022-02-20 21:09:44,513 INFO L272 TraceCheckUtils]: 16: Hoare triple {1830#true} call aws_linked_list_back_harness_#t~ret679#1 := aws_linked_list_empty(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {1830#true} is VALID [2022-02-20 21:09:44,513 INFO L290 TraceCheckUtils]: 17: Hoare triple {1830#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1830#true} is VALID [2022-02-20 21:09:44,513 INFO L272 TraceCheckUtils]: 18: Hoare triple {1830#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1830#true} is VALID [2022-02-20 21:09:44,513 INFO L290 TraceCheckUtils]: 19: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,513 INFO L290 TraceCheckUtils]: 20: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,513 INFO L290 TraceCheckUtils]: 21: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,513 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1830#true} {1830#true} #228#return; {1830#true} is VALID [2022-02-20 21:09:44,514 INFO L290 TraceCheckUtils]: 23: Hoare triple {1830#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1830#true} is VALID [2022-02-20 21:09:44,514 INFO L290 TraceCheckUtils]: 24: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,514 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {1830#true} {1830#true} #186#return; {1830#true} is VALID [2022-02-20 21:09:44,514 INFO L272 TraceCheckUtils]: 26: Hoare triple {1830#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_harness_#t~ret679#1 % 256 then 1 else 0) then 0 else 1)); {1830#true} is VALID [2022-02-20 21:09:44,514 INFO L290 TraceCheckUtils]: 27: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,514 INFO L290 TraceCheckUtils]: 28: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,515 INFO L290 TraceCheckUtils]: 29: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,515 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1830#true} {1830#true} #188#return; {1830#true} is VALID [2022-02-20 21:09:44,515 INFO L290 TraceCheckUtils]: 31: Hoare triple {1830#true} havoc aws_linked_list_back_harness_#t~ret679#1; {1830#true} is VALID [2022-02-20 21:09:44,515 INFO L272 TraceCheckUtils]: 32: Hoare triple {1830#true} call aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset := aws_linked_list_back(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {1830#true} is VALID [2022-02-20 21:09:44,515 INFO L290 TraceCheckUtils]: 33: Hoare triple {1830#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1830#true} is VALID [2022-02-20 21:09:44,515 INFO L272 TraceCheckUtils]: 34: Hoare triple {1830#true} call #t~ret389 := aws_linked_list_is_valid(~list.base, ~list.offset); {1830#true} is VALID [2022-02-20 21:09:44,515 INFO L290 TraceCheckUtils]: 35: Hoare triple {1830#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,516 INFO L290 TraceCheckUtils]: 36: Hoare triple {1830#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,516 INFO L290 TraceCheckUtils]: 37: Hoare triple {1830#true} #t~short301#1 := #t~short299#1; {1830#true} is VALID [2022-02-20 21:09:44,516 INFO L290 TraceCheckUtils]: 38: Hoare triple {1830#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {1830#true} is VALID [2022-02-20 21:09:44,516 INFO L290 TraceCheckUtils]: 39: Hoare triple {1830#true} #t~short303#1 := #t~short301#1; {1830#true} is VALID [2022-02-20 21:09:44,516 INFO L290 TraceCheckUtils]: 40: Hoare triple {1830#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,516 INFO L290 TraceCheckUtils]: 41: Hoare triple {1830#true} #t~short305#1 := #t~short303#1; {1830#true} is VALID [2022-02-20 21:09:44,517 INFO L290 TraceCheckUtils]: 42: Hoare triple {1830#true} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {1830#true} is VALID [2022-02-20 21:09:44,517 INFO L290 TraceCheckUtils]: 43: Hoare triple {1830#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1896#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:09:44,518 INFO L290 TraceCheckUtils]: 44: Hoare triple {1896#(= 0 |aws_linked_list_is_valid_#res#1|)} assume true; {1896#(= 0 |aws_linked_list_is_valid_#res#1|)} is VALID [2022-02-20 21:09:44,519 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {1896#(= 0 |aws_linked_list_is_valid_#res#1|)} {1830#true} #206#return; {1863#(= |aws_linked_list_back_#t~ret389| 0)} is VALID [2022-02-20 21:09:44,519 INFO L272 TraceCheckUtils]: 46: Hoare triple {1863#(= |aws_linked_list_back_#t~ret389| 0)} call assume_abort_if_not(#t~ret389); {1830#true} is VALID [2022-02-20 21:09:44,520 INFO L290 TraceCheckUtils]: 47: Hoare triple {1830#true} ~cond := #in~cond; {1897#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-02-20 21:09:44,520 INFO L290 TraceCheckUtils]: 48: Hoare triple {1897#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} assume !(0 == ~cond % 256); {1898#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:09:44,521 INFO L290 TraceCheckUtils]: 49: Hoare triple {1898#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} assume true; {1898#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} is VALID [2022-02-20 21:09:44,521 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {1898#(or (<= 1 |assume_abort_if_not_#in~cond|) (<= (+ |assume_abort_if_not_#in~cond| 1) 0))} {1863#(= |aws_linked_list_back_#t~ret389| 0)} #208#return; {1831#false} is VALID [2022-02-20 21:09:44,521 INFO L290 TraceCheckUtils]: 51: Hoare triple {1831#false} havoc #t~ret389; {1831#false} is VALID [2022-02-20 21:09:44,521 INFO L272 TraceCheckUtils]: 52: Hoare triple {1831#false} call #t~ret390 := aws_linked_list_empty(~list.base, ~list.offset); {1830#true} is VALID [2022-02-20 21:09:44,522 INFO L290 TraceCheckUtils]: 53: Hoare triple {1830#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1830#true} is VALID [2022-02-20 21:09:44,522 INFO L272 TraceCheckUtils]: 54: Hoare triple {1830#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1830#true} is VALID [2022-02-20 21:09:44,522 INFO L290 TraceCheckUtils]: 55: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,522 INFO L290 TraceCheckUtils]: 56: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,522 INFO L290 TraceCheckUtils]: 57: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,522 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {1830#true} {1830#true} #228#return; {1830#true} is VALID [2022-02-20 21:09:44,523 INFO L290 TraceCheckUtils]: 59: Hoare triple {1830#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1830#true} is VALID [2022-02-20 21:09:44,523 INFO L290 TraceCheckUtils]: 60: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,523 INFO L284 TraceCheckUtils]: 61: Hoare quadruple {1830#true} {1831#false} #210#return; {1831#false} is VALID [2022-02-20 21:09:44,523 INFO L272 TraceCheckUtils]: 62: Hoare triple {1831#false} call assume_abort_if_not((if 0 == (if 0 == #t~ret390 % 256 then 1 else 0) then 0 else 1)); {1830#true} is VALID [2022-02-20 21:09:44,523 INFO L290 TraceCheckUtils]: 63: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:09:44,523 INFO L290 TraceCheckUtils]: 64: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:09:44,523 INFO L290 TraceCheckUtils]: 65: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,524 INFO L284 TraceCheckUtils]: 66: Hoare quadruple {1830#true} {1831#false} #212#return; {1831#false} is VALID [2022-02-20 21:09:44,524 INFO L290 TraceCheckUtils]: 67: Hoare triple {1831#false} havoc #t~ret390;call #t~mem391.base, #t~mem391.offset := read~$Pointer$(~list.base, 24 + ~list.offset, 8);~rval~6.base, ~rval~6.offset := #t~mem391.base, #t~mem391.offset;havoc #t~mem391.base, #t~mem391.offset; {1831#false} is VALID [2022-02-20 21:09:44,524 INFO L272 TraceCheckUtils]: 68: Hoare triple {1831#false} call #t~ret392 := aws_linked_list_is_valid(~list.base, ~list.offset); {1830#true} is VALID [2022-02-20 21:09:44,524 INFO L290 TraceCheckUtils]: 69: Hoare triple {1830#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,524 INFO L290 TraceCheckUtils]: 70: Hoare triple {1830#true} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,524 INFO L290 TraceCheckUtils]: 71: Hoare triple {1830#true} #t~short301#1 := #t~short299#1; {1830#true} is VALID [2022-02-20 21:09:44,525 INFO L290 TraceCheckUtils]: 72: Hoare triple {1830#true} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {1830#true} is VALID [2022-02-20 21:09:44,525 INFO L290 TraceCheckUtils]: 73: Hoare triple {1830#true} #t~short303#1 := #t~short301#1; {1830#true} is VALID [2022-02-20 21:09:44,525 INFO L290 TraceCheckUtils]: 74: Hoare triple {1830#true} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {1830#true} is VALID [2022-02-20 21:09:44,525 INFO L290 TraceCheckUtils]: 75: Hoare triple {1830#true} #t~short305#1 := #t~short303#1; {1830#true} is VALID [2022-02-20 21:09:44,525 INFO L290 TraceCheckUtils]: 76: Hoare triple {1830#true} assume !#t~short305#1; {1830#true} is VALID [2022-02-20 21:09:44,525 INFO L290 TraceCheckUtils]: 77: Hoare triple {1830#true} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {1830#true} is VALID [2022-02-20 21:09:44,525 INFO L290 TraceCheckUtils]: 78: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:09:44,526 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {1830#true} {1831#false} #214#return; {1831#false} is VALID [2022-02-20 21:09:44,526 INFO L272 TraceCheckUtils]: 80: Hoare triple {1831#false} call __VERIFIER_assert(#t~ret392); {1831#false} is VALID [2022-02-20 21:09:44,526 INFO L290 TraceCheckUtils]: 81: Hoare triple {1831#false} ~cond := #in~cond; {1831#false} is VALID [2022-02-20 21:09:44,526 INFO L290 TraceCheckUtils]: 82: Hoare triple {1831#false} assume 0 == ~cond % 256; {1831#false} is VALID [2022-02-20 21:09:44,526 INFO L290 TraceCheckUtils]: 83: Hoare triple {1831#false} assume !false; {1831#false} is VALID [2022-02-20 21:09:44,527 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-02-20 21:09:44,527 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 21:09:44,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368692462] [2022-02-20 21:09:44,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368692462] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 21:09:44,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789734440] [2022-02-20 21:09:44,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 21:09:44,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 21:09:44,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 21:09:44,529 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 21:09:44,560 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 21:09:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-20 21:09:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 21:09:44,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 21:09:44,798 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 21:09:44,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-02-20 21:09:44,813 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 21:09:44,813 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-02-20 21:09:47,231 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |c_#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |c_#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))) is different from true [2022-02-20 21:09:49,438 WARN L860 $PredicateComparison]: unable to prove that (and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |c_#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |c_#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))) (let ((.cse0 (+ c_aws_linked_list_back_~list.offset 24))) (or (not (= (select (select |c_#memory_$Pointer$.base| c_aws_linked_list_back_~list.base) .cse0) 0)) (not (= (select (select |c_#memory_$Pointer$.offset| c_aws_linked_list_back_~list.base) .cse0) 0))))) is different from true [2022-02-20 21:09:51,599 WARN L860 $PredicateComparison]: unable to prove that (and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |c_#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |c_#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |c_#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |c_#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))))) is different from true [2022-02-20 21:09:54,499 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |c_#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |c_#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0)))) is different from true [2022-02-20 21:09:56,759 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |c_#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |c_#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))) is different from true [2022-02-20 21:10:04,869 WARN L228 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 21:10:13,187 WARN L228 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 21:10:21,346 WARN L228 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 21:10:27,448 WARN L228 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-02-20 21:10:27,548 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(78, 4);~#s_can_fail_allocator_static~0.base, ~#s_can_fail_allocator_static~0.offset := 5, 0;call #Ultimate.allocInit(40, 5);call write~init~$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; {1830#true} is VALID [2022-02-20 21:10:27,549 INFO L290 TraceCheckUtils]: 1: Hoare triple {1830#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_back_harness } true;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset, aws_linked_list_back_harness_#t~ret679#1, aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset, aws_linked_list_back_harness_#t~ret681#1, aws_linked_list_back_harness_#t~ret682#1, aws_linked_list_back_harness_#t~ret683#1, aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset, aws_linked_list_back_harness_~back~1#1.base, aws_linked_list_back_harness_~back~1#1.offset;call aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:27,549 INFO L272 TraceCheckUtils]: 2: Hoare triple {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {1830#true} is VALID [2022-02-20 21:10:27,549 INFO L290 TraceCheckUtils]: 3: Hoare triple {1830#true} #res := #t~nondet13;havoc #t~nondet13; {1830#true} is VALID [2022-02-20 21:10:27,549 INFO L290 TraceCheckUtils]: 4: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:27,550 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1830#true} {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} #182#return; {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:27,550 INFO L290 TraceCheckUtils]: 6: Hoare triple {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:27,550 INFO L272 TraceCheckUtils]: 7: Hoare triple {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {1830#true} is VALID [2022-02-20 21:10:27,550 INFO L290 TraceCheckUtils]: 8: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:10:27,550 INFO L290 TraceCheckUtils]: 9: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:10:27,551 INFO L290 TraceCheckUtils]: 10: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:27,551 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {1830#true} {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} #184#return; {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:27,551 INFO L290 TraceCheckUtils]: 12: Hoare triple {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:27,552 INFO L290 TraceCheckUtils]: 13: Hoare triple {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} is VALID [2022-02-20 21:10:27,552 INFO L290 TraceCheckUtils]: 14: Hoare triple {1909#(= |ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| |ULTIMATE.start_aws_linked_list_back_harness_~#list~0#1.base|)} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {1830#true} is VALID [2022-02-20 21:10:27,552 INFO L290 TraceCheckUtils]: 15: Hoare triple {1830#true} assume { :end_inline_ensure_linked_list_is_allocated } true;call aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset := read~$Pointer$(aws_linked_list_back_harness_~#list~0#1.base, 24 + aws_linked_list_back_harness_~#list~0#1.offset, 8);aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset := aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset; {1830#true} is VALID [2022-02-20 21:10:27,552 INFO L272 TraceCheckUtils]: 16: Hoare triple {1830#true} call aws_linked_list_back_harness_#t~ret679#1 := aws_linked_list_empty(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {1830#true} is VALID [2022-02-20 21:10:27,552 INFO L290 TraceCheckUtils]: 17: Hoare triple {1830#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1830#true} is VALID [2022-02-20 21:10:27,552 INFO L272 TraceCheckUtils]: 18: Hoare triple {1830#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1830#true} is VALID [2022-02-20 21:10:27,552 INFO L290 TraceCheckUtils]: 19: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:10:27,552 INFO L290 TraceCheckUtils]: 20: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:10:27,552 INFO L290 TraceCheckUtils]: 21: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:27,552 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1830#true} {1830#true} #228#return; {1830#true} is VALID [2022-02-20 21:10:27,553 INFO L290 TraceCheckUtils]: 23: Hoare triple {1830#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1830#true} is VALID [2022-02-20 21:10:27,553 INFO L290 TraceCheckUtils]: 24: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:27,553 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {1830#true} {1830#true} #186#return; {1830#true} is VALID [2022-02-20 21:10:27,553 INFO L272 TraceCheckUtils]: 26: Hoare triple {1830#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_harness_#t~ret679#1 % 256 then 1 else 0) then 0 else 1)); {1830#true} is VALID [2022-02-20 21:10:27,553 INFO L290 TraceCheckUtils]: 27: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:10:27,553 INFO L290 TraceCheckUtils]: 28: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:10:27,553 INFO L290 TraceCheckUtils]: 29: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:27,553 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1830#true} {1830#true} #188#return; {1830#true} is VALID [2022-02-20 21:10:27,553 INFO L290 TraceCheckUtils]: 31: Hoare triple {1830#true} havoc aws_linked_list_back_harness_#t~ret679#1; {1830#true} is VALID [2022-02-20 21:10:27,553 INFO L272 TraceCheckUtils]: 32: Hoare triple {1830#true} call aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset := aws_linked_list_back(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {1830#true} is VALID [2022-02-20 21:10:27,554 INFO L290 TraceCheckUtils]: 33: Hoare triple {1830#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1830#true} is VALID [2022-02-20 21:10:27,554 INFO L272 TraceCheckUtils]: 34: Hoare triple {1830#true} call #t~ret389 := aws_linked_list_is_valid(~list.base, ~list.offset); {1830#true} is VALID [2022-02-20 21:10:27,554 INFO L290 TraceCheckUtils]: 35: Hoare triple {1830#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2012#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:27,555 INFO L290 TraceCheckUtils]: 36: Hoare triple {2012#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2012#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:27,555 INFO L290 TraceCheckUtils]: 37: Hoare triple {2012#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} #t~short301#1 := #t~short299#1; {2012#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:27,556 INFO L290 TraceCheckUtils]: 38: Hoare triple {2012#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {2012#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:27,556 INFO L290 TraceCheckUtils]: 39: Hoare triple {2012#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} #t~short303#1 := #t~short301#1; {2012#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} is VALID [2022-02-20 21:10:27,557 INFO L290 TraceCheckUtils]: 40: Hoare triple {2012#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {2028#(or (and (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))) |aws_linked_list_is_valid_#t~short303#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (not |aws_linked_list_is_valid_#t~short303#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:27,558 INFO L290 TraceCheckUtils]: 41: Hoare triple {2028#(or (and (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))) |aws_linked_list_is_valid_#t~short303#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (not |aws_linked_list_is_valid_#t~short303#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} #t~short305#1 := #t~short303#1; {2032#(or (and (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))) |aws_linked_list_is_valid_#t~short305#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (not |aws_linked_list_is_valid_#t~short305#1|)))} is VALID [2022-02-20 21:10:27,559 INFO L290 TraceCheckUtils]: 42: Hoare triple {2032#(or (and (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))) |aws_linked_list_is_valid_#t~short305#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (not |aws_linked_list_is_valid_#t~short305#1|)))} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:27,560 INFO L290 TraceCheckUtils]: 43: Hoare triple {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:27,560 INFO L290 TraceCheckUtils]: 44: Hoare triple {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} assume true; {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:27,562 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} {1830#true} #206#return; {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} is VALID [2022-02-20 21:10:27,563 INFO L272 TraceCheckUtils]: 46: Hoare triple {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} call assume_abort_if_not(#t~ret389); {2050#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))))} is VALID [2022-02-20 21:10:27,564 INFO L290 TraceCheckUtils]: 47: Hoare triple {2050#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))))} ~cond := #in~cond; {2050#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))))} is VALID [2022-02-20 21:10:27,564 INFO L290 TraceCheckUtils]: 48: Hoare triple {2050#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))))} assume !(0 == ~cond % 256); {2050#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))))} is VALID [2022-02-20 21:10:27,565 INFO L290 TraceCheckUtils]: 49: Hoare triple {2050#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))))} assume true; {2050#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))))} is VALID [2022-02-20 21:10:27,566 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {2050#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))))} {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} #208#return; {2063#(and (or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} is VALID [2022-02-20 21:10:27,567 INFO L290 TraceCheckUtils]: 51: Hoare triple {2063#(and (or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} havoc #t~ret389; {2063#(and (or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} is VALID [2022-02-20 21:10:27,569 INFO L272 TraceCheckUtils]: 52: Hoare triple {2063#(and (or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} call #t~ret390 := aws_linked_list_empty(~list.base, ~list.offset); {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} is VALID [2022-02-20 21:10:27,570 INFO L290 TraceCheckUtils]: 53: Hoare triple {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} is VALID [2022-02-20 21:10:27,570 INFO L272 TraceCheckUtils]: 54: Hoare triple {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} is VALID [2022-02-20 21:10:27,571 INFO L290 TraceCheckUtils]: 55: Hoare triple {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} ~cond := #in~cond; {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} is VALID [2022-02-20 21:10:27,572 INFO L290 TraceCheckUtils]: 56: Hoare triple {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} assume !(0 == ~cond % 256); {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} is VALID [2022-02-20 21:10:27,573 INFO L290 TraceCheckUtils]: 57: Hoare triple {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} assume true; {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} is VALID [2022-02-20 21:10:27,574 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} #228#return; {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} is VALID [2022-02-20 21:10:27,575 INFO L290 TraceCheckUtils]: 59: Hoare triple {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} is VALID [2022-02-20 21:10:27,576 INFO L290 TraceCheckUtils]: 60: Hoare triple {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} assume true; {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} is VALID [2022-02-20 21:10:27,577 INFO L284 TraceCheckUtils]: 61: Hoare quadruple {2070#(and (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_7) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_7 24)) 0)))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} {2063#(and (or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0))) (or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_6 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_6) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_6 24)) 0)))))} #210#return; {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} is VALID [2022-02-20 21:10:27,579 INFO L272 TraceCheckUtils]: 62: Hoare triple {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} call assume_abort_if_not((if 0 == (if 0 == #t~ret390 % 256 then 1 else 0) then 0 else 1)); {2101#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))))} is VALID [2022-02-20 21:10:27,579 INFO L290 TraceCheckUtils]: 63: Hoare triple {2101#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))))} ~cond := #in~cond; {2101#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))))} is VALID [2022-02-20 21:10:27,580 INFO L290 TraceCheckUtils]: 64: Hoare triple {2101#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))))} assume !(0 == ~cond % 256); {2101#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))))} is VALID [2022-02-20 21:10:27,581 INFO L290 TraceCheckUtils]: 65: Hoare triple {2101#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))))} assume true; {2101#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))))} is VALID [2022-02-20 21:10:27,582 INFO L284 TraceCheckUtils]: 66: Hoare quadruple {2101#(or (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))) (exists ((v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 Int) (v_aws_linked_list_back_~list.base_BEFORE_CALL_8 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_8) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_8 24)) 0))))} {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} #212#return; {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} is VALID [2022-02-20 21:10:27,582 INFO L290 TraceCheckUtils]: 67: Hoare triple {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} havoc #t~ret390;call #t~mem391.base, #t~mem391.offset := read~$Pointer$(~list.base, 24 + ~list.offset, 8);~rval~6.base, ~rval~6.offset := #t~mem391.base, #t~mem391.offset;havoc #t~mem391.base, #t~mem391.offset; {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} is VALID [2022-02-20 21:10:27,584 INFO L272 TraceCheckUtils]: 68: Hoare triple {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} call #t~ret392 := aws_linked_list_is_valid(~list.base, ~list.offset); {2120#(or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))))} is VALID [2022-02-20 21:10:27,585 INFO L290 TraceCheckUtils]: 69: Hoare triple {2120#(or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))))} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2124#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} is VALID [2022-02-20 21:10:27,585 INFO L290 TraceCheckUtils]: 70: Hoare triple {2124#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2124#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} is VALID [2022-02-20 21:10:27,586 INFO L290 TraceCheckUtils]: 71: Hoare triple {2124#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} #t~short301#1 := #t~short299#1; {2124#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} is VALID [2022-02-20 21:10:27,587 INFO L290 TraceCheckUtils]: 72: Hoare triple {2124#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {2124#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} is VALID [2022-02-20 21:10:27,588 INFO L290 TraceCheckUtils]: 73: Hoare triple {2124#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} #t~short303#1 := #t~short301#1; {2124#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} is VALID [2022-02-20 21:10:27,589 INFO L290 TraceCheckUtils]: 74: Hoare triple {2124#(and (= |aws_linked_list_is_valid_#in~list#1.base| |aws_linked_list_is_valid_~list#1.base|) (= |aws_linked_list_is_valid_~list#1.offset| |aws_linked_list_is_valid_#in~list#1.offset|) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {2140#(and (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))) (or (and (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))) |aws_linked_list_is_valid_#t~short303#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (not |aws_linked_list_is_valid_#t~short303#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))))} is VALID [2022-02-20 21:10:27,590 INFO L290 TraceCheckUtils]: 75: Hoare triple {2140#(and (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))) (or (and (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))) |aws_linked_list_is_valid_#t~short303#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (not |aws_linked_list_is_valid_#t~short303#1|) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))))} #t~short305#1 := #t~short303#1; {2144#(and (or (and (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))) |aws_linked_list_is_valid_#t~short305#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (not |aws_linked_list_is_valid_#t~short305#1|))) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} is VALID [2022-02-20 21:10:27,591 INFO L290 TraceCheckUtils]: 76: Hoare triple {2144#(and (or (and (or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))) |aws_linked_list_is_valid_#t~short305#1|) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (not |aws_linked_list_is_valid_#t~short305#1|))) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} assume !#t~short305#1; {2148#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} is VALID [2022-02-20 21:10:27,592 INFO L290 TraceCheckUtils]: 77: Hoare triple {2148#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2148#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} is VALID [2022-02-20 21:10:27,593 INFO L290 TraceCheckUtils]: 78: Hoare triple {2148#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} assume true; {2148#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} is VALID [2022-02-20 21:10:27,594 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {2148#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (or (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.base| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0))) (exists ((v_aws_linked_list_back_~list.base_BEFORE_CALL_9 Int) (v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 Int)) (not (= (select (select |#memory_$Pointer$.offset| v_aws_linked_list_back_~list.base_BEFORE_CALL_9) (+ v_aws_linked_list_back_~list.offset_BEFORE_CALL_9 24)) 0)))))} {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} #214#return; {1831#false} is VALID [2022-02-20 21:10:27,595 INFO L272 TraceCheckUtils]: 80: Hoare triple {1831#false} call __VERIFIER_assert(#t~ret392); {1831#false} is VALID [2022-02-20 21:10:27,595 INFO L290 TraceCheckUtils]: 81: Hoare triple {1831#false} ~cond := #in~cond; {1831#false} is VALID [2022-02-20 21:10:27,595 INFO L290 TraceCheckUtils]: 82: Hoare triple {1831#false} assume 0 == ~cond % 256; {1831#false} is VALID [2022-02-20 21:10:27,595 INFO L290 TraceCheckUtils]: 83: Hoare triple {1831#false} assume !false; {1831#false} is VALID [2022-02-20 21:10:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 12 not checked. [2022-02-20 21:10:27,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 21:10:30,438 INFO L290 TraceCheckUtils]: 83: Hoare triple {1831#false} assume !false; {1831#false} is VALID [2022-02-20 21:10:30,439 INFO L290 TraceCheckUtils]: 82: Hoare triple {1831#false} assume 0 == ~cond % 256; {1831#false} is VALID [2022-02-20 21:10:30,439 INFO L290 TraceCheckUtils]: 81: Hoare triple {1831#false} ~cond := #in~cond; {1831#false} is VALID [2022-02-20 21:10:30,439 INFO L272 TraceCheckUtils]: 80: Hoare triple {1831#false} call __VERIFIER_assert(#t~ret392); {1831#false} is VALID [2022-02-20 21:10:30,440 INFO L284 TraceCheckUtils]: 79: Hoare quadruple {2185#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))} {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} #214#return; {1831#false} is VALID [2022-02-20 21:10:30,441 INFO L290 TraceCheckUtils]: 78: Hoare triple {2185#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))} assume true; {2185#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))} is VALID [2022-02-20 21:10:30,442 INFO L290 TraceCheckUtils]: 77: Hoare triple {2185#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2185#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))} is VALID [2022-02-20 21:10:30,442 INFO L290 TraceCheckUtils]: 76: Hoare triple {2195#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) |aws_linked_list_is_valid_#t~short305#1|)} assume !#t~short305#1; {2185#(and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0))} is VALID [2022-02-20 21:10:30,443 INFO L290 TraceCheckUtils]: 75: Hoare triple {2199#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) |aws_linked_list_is_valid_#t~short303#1|)} #t~short305#1 := #t~short303#1; {2195#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) |aws_linked_list_is_valid_#t~short305#1|)} is VALID [2022-02-20 21:10:30,444 INFO L290 TraceCheckUtils]: 74: Hoare triple {2203#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {2199#(or (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) |aws_linked_list_is_valid_#t~short303#1|)} is VALID [2022-02-20 21:10:30,445 INFO L290 TraceCheckUtils]: 73: Hoare triple {2203#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} #t~short303#1 := #t~short301#1; {2203#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,446 INFO L290 TraceCheckUtils]: 72: Hoare triple {2203#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {2203#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,447 INFO L290 TraceCheckUtils]: 71: Hoare triple {2203#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} #t~short301#1 := #t~short299#1; {2203#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,448 INFO L290 TraceCheckUtils]: 70: Hoare triple {2203#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2203#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,448 INFO L290 TraceCheckUtils]: 69: Hoare triple {1830#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2203#(or (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,449 INFO L272 TraceCheckUtils]: 68: Hoare triple {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} call #t~ret392 := aws_linked_list_is_valid(~list.base, ~list.offset); {1830#true} is VALID [2022-02-20 21:10:30,449 INFO L290 TraceCheckUtils]: 67: Hoare triple {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} havoc #t~ret390;call #t~mem391.base, #t~mem391.offset := read~$Pointer$(~list.base, 24 + ~list.offset, 8);~rval~6.base, ~rval~6.offset := #t~mem391.base, #t~mem391.offset;havoc #t~mem391.base, #t~mem391.offset; {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} is VALID [2022-02-20 21:10:30,450 INFO L284 TraceCheckUtils]: 66: Hoare quadruple {1830#true} {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} #212#return; {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} is VALID [2022-02-20 21:10:30,450 INFO L290 TraceCheckUtils]: 65: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:30,450 INFO L290 TraceCheckUtils]: 64: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:10:30,451 INFO L290 TraceCheckUtils]: 63: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:10:30,451 INFO L272 TraceCheckUtils]: 62: Hoare triple {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} call assume_abort_if_not((if 0 == (if 0 == #t~ret390 % 256 then 1 else 0) then 0 else 1)); {1830#true} is VALID [2022-02-20 21:10:30,452 INFO L284 TraceCheckUtils]: 61: Hoare quadruple {1830#true} {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} #210#return; {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} is VALID [2022-02-20 21:10:30,452 INFO L290 TraceCheckUtils]: 60: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:30,452 INFO L290 TraceCheckUtils]: 59: Hoare triple {1830#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1830#true} is VALID [2022-02-20 21:10:30,452 INFO L284 TraceCheckUtils]: 58: Hoare quadruple {1830#true} {1830#true} #228#return; {1830#true} is VALID [2022-02-20 21:10:30,452 INFO L290 TraceCheckUtils]: 57: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:30,453 INFO L290 TraceCheckUtils]: 56: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:10:30,453 INFO L290 TraceCheckUtils]: 55: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:10:30,453 INFO L272 TraceCheckUtils]: 54: Hoare triple {1830#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1830#true} is VALID [2022-02-20 21:10:30,453 INFO L290 TraceCheckUtils]: 53: Hoare triple {1830#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1830#true} is VALID [2022-02-20 21:10:30,453 INFO L272 TraceCheckUtils]: 52: Hoare triple {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} call #t~ret390 := aws_linked_list_empty(~list.base, ~list.offset); {1830#true} is VALID [2022-02-20 21:10:30,454 INFO L290 TraceCheckUtils]: 51: Hoare triple {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} havoc #t~ret389; {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} is VALID [2022-02-20 21:10:30,455 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {1830#true} {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} #208#return; {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} is VALID [2022-02-20 21:10:30,455 INFO L290 TraceCheckUtils]: 49: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:30,455 INFO L290 TraceCheckUtils]: 48: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:10:30,455 INFO L290 TraceCheckUtils]: 47: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:10:30,455 INFO L272 TraceCheckUtils]: 46: Hoare triple {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} call assume_abort_if_not(#t~ret389); {1830#true} is VALID [2022-02-20 21:10:30,457 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} {1830#true} #206#return; {2046#(or (not (= (select (select |#memory_$Pointer$.offset| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)) (not (= (select (select |#memory_$Pointer$.base| aws_linked_list_back_~list.base) (+ aws_linked_list_back_~list.offset 24)) 0)))} is VALID [2022-02-20 21:10:30,457 INFO L290 TraceCheckUtils]: 44: Hoare triple {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} assume true; {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,458 INFO L290 TraceCheckUtils]: 43: Hoare triple {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} assume !#t~short305#1;havoc #t~mem298#1.base, #t~mem298#1.offset;havoc #t~short299#1;havoc #t~mem300#1.base, #t~mem300#1.offset;havoc #t~short301#1;havoc #t~mem302#1.base, #t~mem302#1.offset;havoc #t~short303#1;havoc #t~mem304#1.base, #t~mem304#1.offset;havoc #t~short305#1;#res#1 := 0; {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,458 INFO L290 TraceCheckUtils]: 42: Hoare triple {2300#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not |aws_linked_list_is_valid_#t~short305#1|))} assume #t~short305#1;call #t~mem304#1.base, #t~mem304#1.offset := read~$Pointer$(~list#1.base, 16 + ~list#1.offset, 8);#t~short305#1 := #t~mem304#1.base == 0 && #t~mem304#1.offset == 0; {2036#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,459 INFO L290 TraceCheckUtils]: 41: Hoare triple {2304#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not |aws_linked_list_is_valid_#t~short303#1|))} #t~short305#1 := #t~short303#1; {2300#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not |aws_linked_list_is_valid_#t~short305#1|))} is VALID [2022-02-20 21:10:30,460 INFO L290 TraceCheckUtils]: 40: Hoare triple {2308#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} assume #t~short303#1;call #t~mem302#1.base, #t~mem302#1.offset := read~$Pointer$(~list#1.base, 24 + ~list#1.offset, 8);#t~short303#1 := #t~mem302#1.base != 0 || #t~mem302#1.offset != 0; {2304#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not |aws_linked_list_is_valid_#t~short303#1|))} is VALID [2022-02-20 21:10:30,461 INFO L290 TraceCheckUtils]: 39: Hoare triple {2308#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} #t~short303#1 := #t~short301#1; {2308#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,461 INFO L290 TraceCheckUtils]: 38: Hoare triple {2308#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} assume #t~short301#1;call #t~mem300#1.base, #t~mem300#1.offset := read~$Pointer$(~list#1.base, 8 + ~list#1.offset, 8);#t~short301#1 := #t~mem300#1.base == 0 && #t~mem300#1.offset == 0; {2308#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,462 INFO L290 TraceCheckUtils]: 37: Hoare triple {2308#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} #t~short301#1 := #t~short299#1; {2308#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,463 INFO L290 TraceCheckUtils]: 36: Hoare triple {2308#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} assume #t~short299#1;call #t~mem298#1.base, #t~mem298#1.offset := read~$Pointer$(~list#1.base, ~list#1.offset, 8);#t~short299#1 := #t~mem298#1.base != 0 || #t~mem298#1.offset != 0; {2308#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,464 INFO L290 TraceCheckUtils]: 35: Hoare triple {1830#true} ~list#1.base, ~list#1.offset := #in~list#1.base, #in~list#1.offset;#t~short299#1 := ~list#1.base != 0 || ~list#1.offset != 0; {2308#(or (not (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_#in~list#1.base|) (+ |aws_linked_list_is_valid_#in~list#1.offset| 24)) 0)) (and (= (select (select |#memory_$Pointer$.offset| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0) (= (select (select |#memory_$Pointer$.base| |aws_linked_list_is_valid_~list#1.base|) (+ |aws_linked_list_is_valid_~list#1.offset| 24)) 0)))} is VALID [2022-02-20 21:10:30,464 INFO L272 TraceCheckUtils]: 34: Hoare triple {1830#true} call #t~ret389 := aws_linked_list_is_valid(~list.base, ~list.offset); {1830#true} is VALID [2022-02-20 21:10:30,464 INFO L290 TraceCheckUtils]: 33: Hoare triple {1830#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1830#true} is VALID [2022-02-20 21:10:30,464 INFO L272 TraceCheckUtils]: 32: Hoare triple {1830#true} call aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset := aws_linked_list_back(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {1830#true} is VALID [2022-02-20 21:10:30,464 INFO L290 TraceCheckUtils]: 31: Hoare triple {1830#true} havoc aws_linked_list_back_harness_#t~ret679#1; {1830#true} is VALID [2022-02-20 21:10:30,464 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1830#true} {1830#true} #188#return; {1830#true} is VALID [2022-02-20 21:10:30,465 INFO L290 TraceCheckUtils]: 29: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:30,465 INFO L290 TraceCheckUtils]: 28: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:10:30,465 INFO L290 TraceCheckUtils]: 27: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:10:30,465 INFO L272 TraceCheckUtils]: 26: Hoare triple {1830#true} call assume_abort_if_not((if 0 == (if 0 == aws_linked_list_back_harness_#t~ret679#1 % 256 then 1 else 0) then 0 else 1)); {1830#true} is VALID [2022-02-20 21:10:30,465 INFO L284 TraceCheckUtils]: 25: Hoare quadruple {1830#true} {1830#true} #186#return; {1830#true} is VALID [2022-02-20 21:10:30,465 INFO L290 TraceCheckUtils]: 24: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:30,465 INFO L290 TraceCheckUtils]: 23: Hoare triple {1830#true} call #t~mem297.base, #t~mem297.offset := read~$Pointer$(~list.base, ~list.offset, 8);#res := (if 0 == (if #t~mem297.base == ~list.base && #t~mem297.offset == 16 + ~list.offset then 1 else 0) then 0 else 1);havoc #t~mem297.base, #t~mem297.offset; {1830#true} is VALID [2022-02-20 21:10:30,466 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1830#true} {1830#true} #228#return; {1830#true} is VALID [2022-02-20 21:10:30,466 INFO L290 TraceCheckUtils]: 21: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:30,466 INFO L290 TraceCheckUtils]: 20: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:10:30,466 INFO L290 TraceCheckUtils]: 19: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:10:30,466 INFO L272 TraceCheckUtils]: 18: Hoare triple {1830#true} call assume_abort_if_not((if 0 == ~list.base + ~list.offset then 0 else 1)); {1830#true} is VALID [2022-02-20 21:10:30,466 INFO L290 TraceCheckUtils]: 17: Hoare triple {1830#true} ~list.base, ~list.offset := #in~list.base, #in~list.offset; {1830#true} is VALID [2022-02-20 21:10:30,467 INFO L272 TraceCheckUtils]: 16: Hoare triple {1830#true} call aws_linked_list_back_harness_#t~ret679#1 := aws_linked_list_empty(aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset); {1830#true} is VALID [2022-02-20 21:10:30,467 INFO L290 TraceCheckUtils]: 15: Hoare triple {1830#true} assume { :end_inline_ensure_linked_list_is_allocated } true;call aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset := read~$Pointer$(aws_linked_list_back_harness_~#list~0#1.base, 24 + aws_linked_list_back_harness_~#list~0#1.offset, 8);aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset := aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset; {1830#true} is VALID [2022-02-20 21:10:30,467 INFO L290 TraceCheckUtils]: 14: Hoare triple {1830#true} call write~$Pointer$(ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, 8);call write~$Pointer$(ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, 24 + ensure_linked_list_is_allocated_~list#1.offset, 8); {1830#true} is VALID [2022-02-20 21:10:30,467 INFO L290 TraceCheckUtils]: 13: Hoare triple {1830#true} assume !(ensure_linked_list_is_allocated_~i~1#1 % 18446744073709551616 < ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616); {1830#true} is VALID [2022-02-20 21:10:30,467 INFO L290 TraceCheckUtils]: 12: Hoare triple {1830#true} call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 8 + ensure_linked_list_is_allocated_~list#1.offset, 8);call write~$Pointer$(0, 0, ensure_linked_list_is_allocated_~list#1.base, 16 + ensure_linked_list_is_allocated_~list#1.offset, 8);ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset := ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset;ensure_linked_list_is_allocated_~i~1#1 := 0; {1830#true} is VALID [2022-02-20 21:10:30,467 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {1830#true} {1830#true} #184#return; {1830#true} is VALID [2022-02-20 21:10:30,467 INFO L290 TraceCheckUtils]: 10: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:30,468 INFO L290 TraceCheckUtils]: 9: Hoare triple {1830#true} assume !(0 == ~cond % 256); {1830#true} is VALID [2022-02-20 21:10:30,468 INFO L290 TraceCheckUtils]: 8: Hoare triple {1830#true} ~cond := #in~cond; {1830#true} is VALID [2022-02-20 21:10:30,468 INFO L272 TraceCheckUtils]: 7: Hoare triple {1830#true} call assume_abort_if_not((if 0 == (if ensure_linked_list_is_allocated_~length~1#1 % 18446744073709551616 <= ensure_linked_list_is_allocated_~max_length#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); {1830#true} is VALID [2022-02-20 21:10:30,468 INFO L290 TraceCheckUtils]: 6: Hoare triple {1830#true} ensure_linked_list_is_allocated_~length~1#1 := ensure_linked_list_is_allocated_#t~ret547#1;havoc ensure_linked_list_is_allocated_#t~ret547#1; {1830#true} is VALID [2022-02-20 21:10:30,468 INFO L284 TraceCheckUtils]: 5: Hoare quadruple {1830#true} {1830#true} #182#return; {1830#true} is VALID [2022-02-20 21:10:30,468 INFO L290 TraceCheckUtils]: 4: Hoare triple {1830#true} assume true; {1830#true} is VALID [2022-02-20 21:10:30,469 INFO L290 TraceCheckUtils]: 3: Hoare triple {1830#true} #res := #t~nondet13;havoc #t~nondet13; {1830#true} is VALID [2022-02-20 21:10:30,469 INFO L272 TraceCheckUtils]: 2: Hoare triple {1830#true} call ensure_linked_list_is_allocated_#t~ret547#1 := nondet_uint64_t(); {1830#true} is VALID [2022-02-20 21:10:30,469 INFO L290 TraceCheckUtils]: 1: Hoare triple {1830#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_aws_linked_list_back_harness } true;havoc aws_linked_list_back_harness_#t~mem678#1.base, aws_linked_list_back_harness_#t~mem678#1.offset, aws_linked_list_back_harness_#t~ret679#1, aws_linked_list_back_harness_#t~ret680#1.base, aws_linked_list_back_harness_#t~ret680#1.offset, aws_linked_list_back_harness_#t~ret681#1, aws_linked_list_back_harness_#t~ret682#1, aws_linked_list_back_harness_#t~ret683#1, aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, aws_linked_list_back_harness_~old_last~0#1.base, aws_linked_list_back_harness_~old_last~0#1.offset, aws_linked_list_back_harness_~back~1#1.base, aws_linked_list_back_harness_~back~1#1.offset;call aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset := #Ultimate.allocOnStack(32);assume { :begin_inline_ensure_linked_list_is_allocated } true;ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset, ensure_linked_list_is_allocated_#in~max_length#1 := aws_linked_list_back_harness_~#list~0#1.base, aws_linked_list_back_harness_~#list~0#1.offset, 20;havoc ensure_linked_list_is_allocated_#t~ret547#1, ensure_linked_list_is_allocated_#t~malloc549#1.base, ensure_linked_list_is_allocated_#t~malloc549#1.offset, ensure_linked_list_is_allocated_#t~post548#1, ensure_linked_list_is_allocated_~i~1#1, ensure_linked_list_is_allocated_~node~0#1.base, ensure_linked_list_is_allocated_~node~0#1.offset, ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset, ensure_linked_list_is_allocated_~max_length#1, ensure_linked_list_is_allocated_~length~1#1, ensure_linked_list_is_allocated_~curr~0#1.base, ensure_linked_list_is_allocated_~curr~0#1.offset;ensure_linked_list_is_allocated_~list#1.base, ensure_linked_list_is_allocated_~list#1.offset := ensure_linked_list_is_allocated_#in~list#1.base, ensure_linked_list_is_allocated_#in~list#1.offset;ensure_linked_list_is_allocated_~max_length#1 := ensure_linked_list_is_allocated_#in~max_length#1; {1830#true} is VALID [2022-02-20 21:10:30,469 INFO L290 TraceCheckUtils]: 0: Hoare triple {1830#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; {1830#true} is VALID [2022-02-20 21:10:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-20 21:10:30,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789734440] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 21:10:30,470 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 21:10:30,470 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 17, 11] total 28 [2022-02-20 21:10:30,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741422133] [2022-02-20 21:10:30,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 21:10:30,472 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.5555555555555554) internal successors, (96), 26 states have internal predecessors, (96), 7 states have call successors, (23), 6 states have call predecessors, (23), 9 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 84 [2022-02-20 21:10:30,474 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 21:10:30,475 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 28 states, 27 states have (on average 3.5555555555555554) internal successors, (96), 26 states have internal predecessors, (96), 7 states have call successors, (23), 6 states have call predecessors, (23), 9 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2022-02-20 21:10:30,648 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 21:10:30,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-20 21:10:30,649 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 21:10:30,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-20 21:10:30,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=439, Unknown=9, NotChecked=230, Total=756 [2022-02-20 21:10:30,650 INFO L87 Difference]: Start difference. First operand 131 states and 175 transitions. Second operand has 28 states, 27 states have (on average 3.5555555555555554) internal successors, (96), 26 states have internal predecessors, (96), 7 states have call successors, (23), 6 states have call predecessors, (23), 9 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22)