./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_array_list_erase_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 8b6d838964def4d11e7b735947c71f28c372f2bfcc6737eb555ad8684227244e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-16 20:01:28,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 20:01:28,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 20:01:28,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 20:01:28,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 20:01:28,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 20:01:28,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 20:01:28,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 20:01:28,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 20:01:28,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 20:01:28,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 20:01:28,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 20:01:28,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 20:01:28,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 20:01:28,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 20:01:28,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 20:01:28,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 20:01:28,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 20:01:28,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 20:01:28,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 20:01:28,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 20:01:28,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 20:01:28,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 20:01:28,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 20:01:28,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 20:01:28,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 20:01:28,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 20:01:28,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 20:01:28,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 20:01:28,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 20:01:28,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 20:01:28,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 20:01:28,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 20:01:28,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 20:01:28,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 20:01:28,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 20:01:28,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 20:01:28,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 20:01:28,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 20:01:28,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 20:01:28,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 20:01:28,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-16 20:01:28,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 20:01:28,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 20:01:28,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 20:01:28,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 20:01:28,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 20:01:28,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 20:01:28,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 20:01:28,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 20:01:28,716 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 20:01:28,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 20:01:28,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-16 20:01:28,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 20:01:28,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 20:01:28,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 20:01:28,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 20:01:28,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 20:01:28,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 20:01:28,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 20:01:28,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 20:01:28,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 20:01:28,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 20:01:28,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 20:01:28,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 20:01:28,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 20:01:28,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 20:01:28,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-16 20:01:28,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-16 20:01:28,721 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 20:01:28,721 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 20:01:28,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 20:01:28,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 20:01:28,721 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b6d838964def4d11e7b735947c71f28c372f2bfcc6737eb555ad8684227244e [2021-11-16 20:01:28,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 20:01:28,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 20:01:28,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 20:01:28,920 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 20:01:28,920 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 20:01:28,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i [2021-11-16 20:01:28,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0647a5d/5b96df47b7874d768ad74a556b16c53e/FLAG4e153a834 [2021-11-16 20:01:29,593 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 20:01:29,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i [2021-11-16 20:01:29,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0647a5d/5b96df47b7874d768ad74a556b16c53e/FLAG4e153a834 [2021-11-16 20:01:29,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db0647a5d/5b96df47b7874d768ad74a556b16c53e [2021-11-16 20:01:30,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 20:01:30,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 20:01:30,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 20:01:30,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 20:01:30,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 20:01:30,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:01:29" (1/1) ... [2021-11-16 20:01:30,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d048a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:30, skipping insertion in model container [2021-11-16 20:01:30,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:01:29" (1/1) ... [2021-11-16 20:01:30,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 20:01:30,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 20:01:30,247 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_array_list_erase_harness.i[4494,4507] [2021-11-16 20:01:30,253 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_array_list_erase_harness.i[4554,4567] [2021-11-16 20:01:30,268 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 20:01:30,277 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 20:01:30,679 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-16 20:01:30,713 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,713 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,714 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,714 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,715 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,722 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,722 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,723 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,724 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,725 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,725 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,726 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,726 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:30,906 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 20:01:30,908 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 20:01:30,908 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 20:01:30,912 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 20:01:30,914 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 20:01:30,914 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 20:01:30,916 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 20:01:30,917 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 20:01:30,921 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 20:01:30,922 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 20:01:31,014 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,015 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,020 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,020 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,024 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,024 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,028 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,038 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,085 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,086 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,087 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 20:01:31,113 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 20:01:31,140 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_array_list_erase_harness.i[4494,4507] [2021-11-16 20:01:31,141 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_array_list_erase_harness.i[4554,4567] [2021-11-16 20:01:31,142 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 20:01:31,143 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 20:01:31,187 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-16 20:01:31,195 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,195 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,196 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,196 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,196 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,200 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,200 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,201 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,201 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,202 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,202 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,202 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,203 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,221 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 20:01:31,222 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 20:01:31,222 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 20:01:31,223 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 20:01:31,223 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 20:01:31,224 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 20:01:31,224 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 20:01:31,224 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 20:01:31,225 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 20:01:31,225 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 20:01:31,240 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,240 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,241 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,241 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,242 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,243 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,243 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,246 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,256 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,256 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 20:01:31,257 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 20:01:31,391 INFO L208 MainTranslator]: Completed translation [2021-11-16 20:01:31,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31 WrapperNode [2021-11-16 20:01:31,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 20:01:31,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 20:01:31,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 20:01:31,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 20:01:31,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31" (1/1) ... [2021-11-16 20:01:31,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31" (1/1) ... [2021-11-16 20:01:31,557 INFO L137 Inliner]: procedures = 689, calls = 1683, calls flagged for inlining = 53, calls inlined = 12, statements flattened = 729 [2021-11-16 20:01:31,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 20:01:31,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 20:01:31,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 20:01:31,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 20:01:31,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31" (1/1) ... [2021-11-16 20:01:31,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31" (1/1) ... [2021-11-16 20:01:31,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31" (1/1) ... [2021-11-16 20:01:31,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31" (1/1) ... [2021-11-16 20:01:31,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31" (1/1) ... [2021-11-16 20:01:31,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31" (1/1) ... [2021-11-16 20:01:31,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31" (1/1) ... [2021-11-16 20:01:31,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 20:01:31,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 20:01:31,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 20:01:31,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 20:01:31,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31" (1/1) ... [2021-11-16 20:01:31,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 20:01:31,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 20:01:31,665 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) [2021-11-16 20:01:31,689 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 [2021-11-16 20:01:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2021-11-16 20:01:31,703 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2021-11-16 20:01:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-16 20:01:31,704 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-16 20:01:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-16 20:01:31,704 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-16 20:01:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-16 20:01:31,704 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-16 20:01:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-16 20:01:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-16 20:01:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-16 20:01:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-16 20:01:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-16 20:01:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-16 20:01:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-16 20:01:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 20:01:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint8_t [2021-11-16 20:01:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint8_t [2021-11-16 20:01:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-16 20:01:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 20:01:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 20:01:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-16 20:01:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-16 20:01:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-16 20:01:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-16 20:01:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-16 20:01:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-16 20:01:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-16 20:01:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-16 20:01:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-16 20:01:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-16 20:01:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2021-11-16 20:01:31,708 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2021-11-16 20:01:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-16 20:01:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-16 20:01:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-16 20:01:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-16 20:01:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-16 20:01:31,708 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-16 20:01:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-16 20:01:31,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-16 20:01:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-16 20:01:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2021-11-16 20:01:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2021-11-16 20:01:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2021-11-16 20:01:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2021-11-16 20:01:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2021-11-16 20:01:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2021-11-16 20:01:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-16 20:01:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-16 20:01:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-16 20:01:31,941 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 20:01:31,942 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 20:01:32,628 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 20:01:32,633 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 20:01:32,633 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-16 20:01:32,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:01:32 BoogieIcfgContainer [2021-11-16 20:01:32,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 20:01:32,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 20:01:32,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 20:01:32,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 20:01:32,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:01:29" (1/3) ... [2021-11-16 20:01:32,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6b0c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:01:32, skipping insertion in model container [2021-11-16 20:01:32,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:01:31" (2/3) ... [2021-11-16 20:01:32,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6b0c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:01:32, skipping insertion in model container [2021-11-16 20:01:32,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:01:32" (3/3) ... [2021-11-16 20:01:32,643 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_erase_harness.i [2021-11-16 20:01:32,648 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 20:01:32,648 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-16 20:01:32,687 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-16 20:01:32,694 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 [2021-11-16 20:01:32,694 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-16 20:01:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 248 states, 141 states have (on average 1.1914893617021276) internal successors, (168), 142 states have internal predecessors, (168), 86 states have call successors, (86), 19 states have call predecessors, (86), 19 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-11-16 20:01:32,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-16 20:01:32,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 20:01:32,724 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 20:01:32,724 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 20:01:32,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 20:01:32,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1159260553, now seen corresponding path program 1 times [2021-11-16 20:01:32,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 20:01:32,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113111090] [2021-11-16 20:01:32,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:32,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 20:01:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 20:01:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 20:01:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 20:01:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-16 20:01:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-16 20:01:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-16 20:01:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 20:01:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-16 20:01:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-16 20:01:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-16 20:01:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-16 20:01:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-16 20:01:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 20:01:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-16 20:01:33,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 20:01:33,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113111090] [2021-11-16 20:01:33,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113111090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 20:01:33,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 20:01:33,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-16 20:01:33,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171957617] [2021-11-16 20:01:33,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 20:01:33,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-16 20:01:33,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 20:01:33,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-16 20:01:33,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-16 20:01:33,283 INFO L87 Difference]: Start difference. First operand has 248 states, 141 states have (on average 1.1914893617021276) internal successors, (168), 142 states have internal predecessors, (168), 86 states have call successors, (86), 19 states have call predecessors, (86), 19 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-16 20:01:33,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 20:01:33,970 INFO L93 Difference]: Finished difference Result 527 states and 815 transitions. [2021-11-16 20:01:33,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-16 20:01:33,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 82 [2021-11-16 20:01:33,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 20:01:33,980 INFO L225 Difference]: With dead ends: 527 [2021-11-16 20:01:33,981 INFO L226 Difference]: Without dead ends: 281 [2021-11-16 20:01:33,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-16 20:01:33,987 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 129 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-16 20:01:33,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 398 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-16 20:01:33,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-11-16 20:01:34,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 243. [2021-11-16 20:01:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 137 states have (on average 1.1824817518248176) internal successors, (162), 138 states have internal predecessors, (162), 86 states have call successors, (86), 19 states have call predecessors, (86), 19 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2021-11-16 20:01:34,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 333 transitions. [2021-11-16 20:01:34,039 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 333 transitions. Word has length 82 [2021-11-16 20:01:34,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 20:01:34,040 INFO L470 AbstractCegarLoop]: Abstraction has 243 states and 333 transitions. [2021-11-16 20:01:34,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-16 20:01:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 333 transitions. [2021-11-16 20:01:34,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-16 20:01:34,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 20:01:34,049 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 20:01:34,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-16 20:01:34,050 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 20:01:34,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 20:01:34,050 INFO L85 PathProgramCache]: Analyzing trace with hash 808636019, now seen corresponding path program 1 times [2021-11-16 20:01:34,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 20:01:34,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965191957] [2021-11-16 20:01:34,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:34,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 20:01:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 20:01:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-16 20:01:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-16 20:01:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-16 20:01:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-16 20:01:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-16 20:01:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 20:01:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-16 20:01:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-16 20:01:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-16 20:01:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-16 20:01:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-16 20:01:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 20:01:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-16 20:01:34,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 20:01:34,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965191957] [2021-11-16 20:01:34,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965191957] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 20:01:34,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659595351] [2021-11-16 20:01:34,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:34,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 20:01:34,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 20:01:34,323 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) [2021-11-16 20:01:34,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-16 20:01:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:34,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-16 20:01:34,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 20:01:34,804 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-16 20:01:34,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 20:01:34,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659595351] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 20:01:34,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 20:01:34,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2021-11-16 20:01:34,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300553690] [2021-11-16 20:01:34,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 20:01:34,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 20:01:34,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 20:01:34,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 20:01:34,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-16 20:01:34,807 INFO L87 Difference]: Start difference. First operand 243 states and 333 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-16 20:01:34,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 20:01:34,915 INFO L93 Difference]: Finished difference Result 451 states and 640 transitions. [2021-11-16 20:01:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 20:01:34,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 82 [2021-11-16 20:01:34,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 20:01:34,917 INFO L225 Difference]: With dead ends: 451 [2021-11-16 20:01:34,918 INFO L226 Difference]: Without dead ends: 245 [2021-11-16 20:01:34,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-16 20:01:34,919 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 2 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-16 20:01:34,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1526 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-16 20:01:34,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-11-16 20:01:34,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2021-11-16 20:01:34,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 138 states have (on average 1.181159420289855) internal successors, (163), 140 states have internal predecessors, (163), 86 states have call successors, (86), 19 states have call predecessors, (86), 20 states have return successors, (102), 85 states have call predecessors, (102), 85 states have call successors, (102) [2021-11-16 20:01:34,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 351 transitions. [2021-11-16 20:01:34,936 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 351 transitions. Word has length 82 [2021-11-16 20:01:34,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 20:01:34,936 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 351 transitions. [2021-11-16 20:01:34,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-16 20:01:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 351 transitions. [2021-11-16 20:01:34,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-16 20:01:34,937 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 20:01:34,937 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 20:01:34,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-16 20:01:35,159 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 [2021-11-16 20:01:35,159 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 20:01:35,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 20:01:35,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1183616549, now seen corresponding path program 1 times [2021-11-16 20:01:35,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 20:01:35,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475834700] [2021-11-16 20:01:35,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:35,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 20:01:35,189 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-16 20:01:35,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135345175] [2021-11-16 20:01:35,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:35,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 20:01:35,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 20:01:35,190 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) [2021-11-16 20:01:35,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-16 20:01:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:35,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 2198 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-16 20:01:35,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 20:01:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-16 20:01:35,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 20:01:35,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 20:01:35,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475834700] [2021-11-16 20:01:35,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-16 20:01:35,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135345175] [2021-11-16 20:01:35,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135345175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 20:01:35,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 20:01:35,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-16 20:01:35,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936790312] [2021-11-16 20:01:35,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 20:01:35,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-16 20:01:35,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 20:01:35,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-16 20:01:35,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-16 20:01:35,674 INFO L87 Difference]: Start difference. First operand 245 states and 351 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-16 20:01:35,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 20:01:35,705 INFO L93 Difference]: Finished difference Result 458 states and 690 transitions. [2021-11-16 20:01:35,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 20:01:35,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97 [2021-11-16 20:01:35,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 20:01:35,707 INFO L225 Difference]: With dead ends: 458 [2021-11-16 20:01:35,707 INFO L226 Difference]: Without dead ends: 250 [2021-11-16 20:01:35,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-16 20:01:35,709 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 10 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 20:01:35,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 986 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 20:01:35,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-11-16 20:01:35,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 247. [2021-11-16 20:01:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 140 states have (on average 1.1785714285714286) internal successors, (165), 142 states have internal predecessors, (165), 86 states have call successors, (86), 19 states have call predecessors, (86), 20 states have return successors, (102), 85 states have call predecessors, (102), 85 states have call successors, (102) [2021-11-16 20:01:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 353 transitions. [2021-11-16 20:01:35,722 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 353 transitions. Word has length 97 [2021-11-16 20:01:35,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 20:01:35,723 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 353 transitions. [2021-11-16 20:01:35,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-16 20:01:35,723 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 353 transitions. [2021-11-16 20:01:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-16 20:01:35,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 20:01:35,724 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 20:01:35,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-16 20:01:35,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-16 20:01:35,940 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 20:01:35,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 20:01:35,940 INFO L85 PathProgramCache]: Analyzing trace with hash 307597543, now seen corresponding path program 1 times [2021-11-16 20:01:35,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 20:01:35,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98917593] [2021-11-16 20:01:35,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:35,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 20:01:35,969 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-16 20:01:35,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [11308955] [2021-11-16 20:01:35,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 20:01:35,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 20:01:35,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 20:01:35,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-16 20:01:35,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-16 20:01:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 20:01:36,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 2203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-16 20:01:36,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 20:01:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-16 20:01:36,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 20:01:36,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 20:01:36,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98917593] [2021-11-16 20:01:36,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-16 20:01:36,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11308955] [2021-11-16 20:01:36,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11308955] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 20:01:36,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 20:01:36,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 20:01:36,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444943060] [2021-11-16 20:01:36,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 20:01:36,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 20:01:36,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 20:01:36,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 20:01:36,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 20:01:36,445 INFO L87 Difference]: Start difference. First operand 247 states and 353 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-16 20:01:36,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 20:01:36,507 INFO L93 Difference]: Finished difference Result 282 states and 390 transitions. [2021-11-16 20:01:36,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 20:01:36,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 97 [2021-11-16 20:01:36,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 20:01:36,509 INFO L225 Difference]: With dead ends: 282 [2021-11-16 20:01:36,509 INFO L226 Difference]: Without dead ends: 0 [2021-11-16 20:01:36,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-16 20:01:36,511 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 20:01:36,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 242 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 20:01:36,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-16 20:01:36,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-16 20:01:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 20:01:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-16 20:01:36,515 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 97 [2021-11-16 20:01:36,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 20:01:36,515 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-16 20:01:36,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-16 20:01:36,516 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-16 20:01:36,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-16 20:01:36,520 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-16 20:01:36,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-16 20:01:36,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 20:01:36,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-16 20:01:37,139 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 2778 2783) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-16 20:01:37,140 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 2778 2783) no Hoare annotation was computed. [2021-11-16 20:01:37,140 INFO L858 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2021-11-16 20:01:37,140 INFO L854 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-16 20:01:37,140 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2021-11-16 20:01:37,140 INFO L858 garLoopResultBuilder]: For program point L7013-4(lines 7012 7024) no Hoare annotation was computed. [2021-11-16 20:01:37,140 INFO L861 garLoopResultBuilder]: At program point L7022(line 7022) the Hoare annotation is: true [2021-11-16 20:01:37,140 INFO L858 garLoopResultBuilder]: For program point L7020-1(lines 7020 7022) no Hoare annotation was computed. [2021-11-16 20:01:37,140 INFO L861 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2021-11-16 20:01:37,140 INFO L858 garLoopResultBuilder]: For program point L7022-1(line 7022) no Hoare annotation was computed. [2021-11-16 20:01:37,140 INFO L858 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7012 7024) no Hoare annotation was computed. [2021-11-16 20:01:37,140 INFO L854 garLoopResultBuilder]: At program point L7014(lines 7014 7016) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-16 20:01:37,140 INFO L854 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 7012 7024) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-16 20:01:37,140 INFO L858 garLoopResultBuilder]: For program point L7020-3(lines 7020 7022) no Hoare annotation was computed. [2021-11-16 20:01:37,140 INFO L858 garLoopResultBuilder]: For program point L7014-1(lines 7014 7016) no Hoare annotation was computed. [2021-11-16 20:01:37,140 INFO L858 garLoopResultBuilder]: For program point L7019-1(line 7019) no Hoare annotation was computed. [2021-11-16 20:01:37,140 INFO L854 garLoopResultBuilder]: At program point L7019(line 7019) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L854 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point L7013-2(lines 7013 7023) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point L7013(line 7013) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point nondet_uint8_tEXIT(line 267) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L861 garLoopResultBuilder]: At program point nondet_uint8_tENTRY(line 267) the Hoare annotation is: true [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point nondet_uint8_tFINAL(line 267) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6998 7010) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L861 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6998 7010) the Hoare annotation is: true [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6998 7010) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L854 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 3259 3286) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2021-11-16 20:01:37,141 INFO L858 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2021-11-16 20:01:37,142 INFO L854 garLoopResultBuilder]: At program point L3272(line 3272) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_array_list_is_valid_#in~list.base| aws_array_list_is_valid_~list.base) (<= |aws_array_list_is_valid_#in~list.base| 0))) [2021-11-16 20:01:37,142 INFO L858 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2021-11-16 20:01:37,142 INFO L858 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2021-11-16 20:01:37,142 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-16 20:01:37,142 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-16 20:01:37,143 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-16 20:01:37,143 INFO L861 garLoopResultBuilder]: At program point L7178(line 7178) the Hoare annotation is: true [2021-11-16 20:01:37,143 INFO L858 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7176 7180) no Hoare annotation was computed. [2021-11-16 20:01:37,143 INFO L861 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7176 7180) the Hoare annotation is: true [2021-11-16 20:01:37,143 INFO L858 garLoopResultBuilder]: For program point L7177-2(lines 7176 7180) no Hoare annotation was computed. [2021-11-16 20:01:37,143 INFO L858 garLoopResultBuilder]: For program point L7177(lines 7177 7179) no Hoare annotation was computed. [2021-11-16 20:01:37,143 INFO L858 garLoopResultBuilder]: For program point L7178-1(line 7178) no Hoare annotation was computed. [2021-11-16 20:01:37,143 INFO L858 garLoopResultBuilder]: For program point L7393-1(line 7393) no Hoare annotation was computed. [2021-11-16 20:01:37,143 INFO L861 garLoopResultBuilder]: At program point L7393(line 7393) the Hoare annotation is: true [2021-11-16 20:01:37,143 INFO L861 garLoopResultBuilder]: At program point my_memmoveENTRY(lines 7392 7394) the Hoare annotation is: true [2021-11-16 20:01:37,143 INFO L858 garLoopResultBuilder]: For program point my_memmoveFINAL(lines 7392 7394) no Hoare annotation was computed. [2021-11-16 20:01:37,143 INFO L858 garLoopResultBuilder]: For program point my_memmoveEXIT(lines 7392 7394) no Hoare annotation was computed. [2021-11-16 20:01:37,143 INFO L861 garLoopResultBuilder]: At program point memmove_implENTRY(lines 7375 7390) the Hoare annotation is: true [2021-11-16 20:01:37,143 INFO L858 garLoopResultBuilder]: For program point L7386(line 7386) no Hoare annotation was computed. [2021-11-16 20:01:37,143 INFO L858 garLoopResultBuilder]: For program point L7383-1(lines 7383 7387) no Hoare annotation was computed. [2021-11-16 20:01:37,143 INFO L861 garLoopResultBuilder]: At program point L7385-1(line 7385) the Hoare annotation is: true [2021-11-16 20:01:37,143 INFO L861 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2021-11-16 20:01:37,143 INFO L858 garLoopResultBuilder]: For program point L7379(lines 7375 7390) no Hoare annotation was computed. [2021-11-16 20:01:37,144 INFO L858 garLoopResultBuilder]: For program point memmove_implEXIT(lines 7375 7390) no Hoare annotation was computed. [2021-11-16 20:01:37,144 INFO L861 garLoopResultBuilder]: At program point L7376-1(lines 7376 7378) the Hoare annotation is: true [2021-11-16 20:01:37,144 INFO L861 garLoopResultBuilder]: At program point L7376(lines 7376 7378) the Hoare annotation is: true [2021-11-16 20:01:37,144 INFO L858 garLoopResultBuilder]: For program point memmove_implFINAL(lines 7375 7390) no Hoare annotation was computed. [2021-11-16 20:01:37,144 INFO L854 garLoopResultBuilder]: At program point L2496(line 2496) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-16 20:01:37,144 INFO L858 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2021-11-16 20:01:37,144 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2021-11-16 20:01:37,144 INFO L861 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2021-11-16 20:01:37,144 INFO L858 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2021-11-16 20:01:37,144 INFO L858 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2584 2592) no Hoare annotation was computed. [2021-11-16 20:01:37,144 INFO L854 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2584 2592) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2021-11-16 20:01:37,144 INFO L861 garLoopResultBuilder]: At program point L2499(lines 2495 2500) the Hoare annotation is: true [2021-11-16 20:01:37,144 INFO L858 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2021-11-16 20:01:37,144 INFO L861 garLoopResultBuilder]: At program point aws_array_list_lengthENTRY(lines 3487 3498) the Hoare annotation is: true [2021-11-16 20:01:37,144 INFO L858 garLoopResultBuilder]: For program point aws_array_list_lengthFINAL(lines 3487 3498) no Hoare annotation was computed. [2021-11-16 20:01:37,144 INFO L861 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2021-11-16 20:01:37,144 INFO L861 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2021-11-16 20:01:37,144 INFO L858 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2021-11-16 20:01:37,144 INFO L861 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2021-11-16 20:01:37,145 INFO L858 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2021-11-16 20:01:37,145 INFO L858 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2021-11-16 20:01:37,145 INFO L861 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2021-11-16 20:01:37,145 INFO L858 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2021-11-16 20:01:37,145 INFO L861 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2021-11-16 20:01:37,145 INFO L861 garLoopResultBuilder]: At program point my_memsetENTRY(lines 7445 7447) the Hoare annotation is: true [2021-11-16 20:01:37,145 INFO L858 garLoopResultBuilder]: For program point my_memsetFINAL(lines 7445 7447) no Hoare annotation was computed. [2021-11-16 20:01:37,145 INFO L861 garLoopResultBuilder]: At program point L7446(line 7446) the Hoare annotation is: true [2021-11-16 20:01:37,145 INFO L858 garLoopResultBuilder]: For program point my_memsetEXIT(lines 7445 7447) no Hoare annotation was computed. [2021-11-16 20:01:37,145 INFO L858 garLoopResultBuilder]: For program point L7446-1(line 7446) no Hoare annotation was computed. [2021-11-16 20:01:37,145 INFO L858 garLoopResultBuilder]: For program point memset_implEXIT(lines 7435 7443) no Hoare annotation was computed. [2021-11-16 20:01:37,145 INFO L861 garLoopResultBuilder]: At program point L7439-1(line 7439) the Hoare annotation is: true [2021-11-16 20:01:37,145 INFO L861 garLoopResultBuilder]: At program point L7439(line 7439) the Hoare annotation is: true [2021-11-16 20:01:37,145 INFO L858 garLoopResultBuilder]: For program point L7440(line 7440) no Hoare annotation was computed. [2021-11-16 20:01:37,145 INFO L861 garLoopResultBuilder]: At program point memset_implENTRY(lines 7435 7443) the Hoare annotation is: true [2021-11-16 20:01:37,145 INFO L858 garLoopResultBuilder]: For program point L7436-1(lines 7435 7443) no Hoare annotation was computed. [2021-11-16 20:01:37,145 INFO L861 garLoopResultBuilder]: At program point L7436(line 7436) the Hoare annotation is: true [2021-11-16 20:01:37,145 INFO L858 garLoopResultBuilder]: For program point L7437-1(lines 7437 7441) no Hoare annotation was computed. [2021-11-16 20:01:37,145 INFO L858 garLoopResultBuilder]: For program point memset_implFINAL(lines 7435 7443) no Hoare annotation was computed. [2021-11-16 20:01:37,146 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-16 20:01:37,146 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-16 20:01:37,146 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-16 20:01:37,146 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-16 20:01:37,146 INFO L854 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2021-11-16 20:01:37,146 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-11-16 20:01:37,146 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-11-16 20:01:37,146 INFO L858 garLoopResultBuilder]: For program point L7365(lines 7365 7367) no Hoare annotation was computed. [2021-11-16 20:01:37,146 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 2785 2787) no Hoare annotation was computed. [2021-11-16 20:01:37,146 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2021-11-16 20:01:37,146 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 2785 2787) the Hoare annotation is: true [2021-11-16 20:01:37,146 INFO L854 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2021-11-16 20:01:37,146 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2021-11-16 20:01:37,146 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2021-11-16 20:01:37,146 INFO L858 garLoopResultBuilder]: For program point L3363-2(line 3363) no Hoare annotation was computed. [2021-11-16 20:01:37,160 INFO L858 garLoopResultBuilder]: For program point L7195(lines 7195 7199) no Hoare annotation was computed. [2021-11-16 20:01:37,160 INFO L858 garLoopResultBuilder]: For program point L3355-1(line 3355) no Hoare annotation was computed. [2021-11-16 20:01:37,161 INFO L854 garLoopResultBuilder]: At program point L3355(line 3355) the Hoare annotation is: false [2021-11-16 20:01:37,161 INFO L858 garLoopResultBuilder]: For program point L8029(lines 8029 8055) no Hoare annotation was computed. [2021-11-16 20:01:37,161 INFO L854 garLoopResultBuilder]: At program point L8054(line 8054) the Hoare annotation is: false [2021-11-16 20:01:37,161 INFO L854 garLoopResultBuilder]: At program point L3355-2(lines 3345 3356) the Hoare annotation is: false [2021-11-16 20:01:37,161 INFO L854 garLoopResultBuilder]: At program point L3347-1(line 3347) the Hoare annotation is: false [2021-11-16 20:01:37,161 INFO L854 garLoopResultBuilder]: At program point L3347(line 3347) the Hoare annotation is: false [2021-11-16 20:01:37,161 INFO L858 garLoopResultBuilder]: For program point L8054-1(line 8054) no Hoare annotation was computed. [2021-11-16 20:01:37,162 INFO L854 garLoopResultBuilder]: At program point L8046(line 8046) the Hoare annotation is: false [2021-11-16 20:01:37,162 INFO L858 garLoopResultBuilder]: For program point L3347-2(line 3347) no Hoare annotation was computed. [2021-11-16 20:01:37,162 INFO L858 garLoopResultBuilder]: For program point L8046-1(line 8046) no Hoare annotation was computed. [2021-11-16 20:01:37,162 INFO L858 garLoopResultBuilder]: For program point L7204(lines 7204 7206) no Hoare annotation was computed. [2021-11-16 20:01:37,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-16 20:01:37,162 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-16 20:01:37,162 INFO L854 garLoopResultBuilder]: At program point L3381-1(line 3381) the Hoare annotation is: false [2021-11-16 20:01:37,162 INFO L854 garLoopResultBuilder]: At program point L3348(line 3348) the Hoare annotation is: false [2021-11-16 20:01:37,163 INFO L854 garLoopResultBuilder]: At program point L3381(line 3381) the Hoare annotation is: false [2021-11-16 20:01:37,163 INFO L858 garLoopResultBuilder]: For program point L3381-2(line 3381) no Hoare annotation was computed. [2021-11-16 20:01:37,163 INFO L858 garLoopResultBuilder]: For program point L3348-1(lines 3348 3352) no Hoare annotation was computed. [2021-11-16 20:01:37,163 INFO L858 garLoopResultBuilder]: For program point L8047-1(line 8047) no Hoare annotation was computed. [2021-11-16 20:01:37,163 INFO L854 garLoopResultBuilder]: At program point L8047(line 8047) the Hoare annotation is: false [2021-11-16 20:01:37,163 INFO L858 garLoopResultBuilder]: For program point L7205-1(line 7205) no Hoare annotation was computed. [2021-11-16 20:01:37,163 INFO L854 garLoopResultBuilder]: At program point L7205(line 7205) the Hoare annotation is: false [2021-11-16 20:01:37,163 INFO L858 garLoopResultBuilder]: For program point L3390(lines 3390 3405) no Hoare annotation was computed. [2021-11-16 20:01:37,163 INFO L858 garLoopResultBuilder]: For program point L3448(lines 3448 3458) no Hoare annotation was computed. [2021-11-16 20:01:37,164 INFO L861 garLoopResultBuilder]: At program point L8056(line 8056) the Hoare annotation is: true [2021-11-16 20:01:37,164 INFO L858 garLoopResultBuilder]: For program point L8048-1(line 8048) no Hoare annotation was computed. [2021-11-16 20:01:37,164 INFO L858 garLoopResultBuilder]: For program point L3407-1(line 3407) no Hoare annotation was computed. [2021-11-16 20:01:37,164 INFO L854 garLoopResultBuilder]: At program point L8048(line 8048) the Hoare annotation is: false [2021-11-16 20:01:37,164 INFO L854 garLoopResultBuilder]: At program point L3407(line 3407) the Hoare annotation is: false [2021-11-16 20:01:37,164 INFO L858 garLoopResultBuilder]: For program point L3457-1(line 3457) no Hoare annotation was computed. [2021-11-16 20:01:37,164 INFO L854 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2021-11-16 20:01:37,164 INFO L854 garLoopResultBuilder]: At program point L3457(line 3457) the Hoare annotation is: false [2021-11-16 20:01:37,165 INFO L854 garLoopResultBuilder]: At program point L3358(lines 3358 3378) the Hoare annotation is: false [2021-11-16 20:01:37,165 INFO L858 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2021-11-16 20:01:37,165 INFO L854 garLoopResultBuilder]: At program point L7190(lines 7190 7207) the Hoare annotation is: false [2021-11-16 20:01:37,165 INFO L858 garLoopResultBuilder]: For program point L3383-1(line 3383) no Hoare annotation was computed. [2021-11-16 20:01:37,165 INFO L854 garLoopResultBuilder]: At program point L3350(line 3350) the Hoare annotation is: false [2021-11-16 20:01:37,165 INFO L854 garLoopResultBuilder]: At program point L3383(line 3383) the Hoare annotation is: false [2021-11-16 20:01:37,165 INFO L858 garLoopResultBuilder]: For program point L3350-2(line 3350) no Hoare annotation was computed. [2021-11-16 20:01:37,165 INFO L854 garLoopResultBuilder]: At program point L3350-1(line 3350) the Hoare annotation is: false [2021-11-16 20:01:37,165 INFO L858 garLoopResultBuilder]: For program point L7182(lines 7182 7188) no Hoare annotation was computed. [2021-11-16 20:01:37,166 INFO L854 garLoopResultBuilder]: At program point L3408(lines 3380 3409) the Hoare annotation is: false [2021-11-16 20:01:37,166 INFO L858 garLoopResultBuilder]: For program point L8049-1(line 8049) no Hoare annotation was computed. [2021-11-16 20:01:37,166 INFO L854 garLoopResultBuilder]: At program point L8049(line 8049) the Hoare annotation is: false [2021-11-16 20:01:37,166 INFO L858 garLoopResultBuilder]: For program point L3367(lines 3367 3376) no Hoare annotation was computed. [2021-11-16 20:01:37,166 INFO L854 garLoopResultBuilder]: At program point L3367-2(lines 3367 3376) the Hoare annotation is: false [2021-11-16 20:01:37,166 INFO L854 garLoopResultBuilder]: At program point L3450(line 3450) the Hoare annotation is: false [2021-11-16 20:01:37,166 INFO L858 garLoopResultBuilder]: For program point L3450-2(line 3450) no Hoare annotation was computed. [2021-11-16 20:01:37,166 INFO L854 garLoopResultBuilder]: At program point L3450-1(line 3450) the Hoare annotation is: false [2021-11-16 20:01:37,166 INFO L854 garLoopResultBuilder]: At program point L8050(line 8050) the Hoare annotation is: false [2021-11-16 20:01:37,167 INFO L858 garLoopResultBuilder]: For program point L7183(lines 7183 7187) no Hoare annotation was computed. [2021-11-16 20:01:37,167 INFO L858 garLoopResultBuilder]: For program point L8050-1(line 8050) no Hoare annotation was computed. [2021-11-16 20:01:37,167 INFO L854 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2021-11-16 20:01:37,167 INFO L854 garLoopResultBuilder]: At program point L3360(line 3360) the Hoare annotation is: false [2021-11-16 20:01:37,167 INFO L858 garLoopResultBuilder]: For program point L3393(lines 3393 3405) no Hoare annotation was computed. [2021-11-16 20:01:37,167 INFO L858 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2021-11-16 20:01:37,167 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-16 20:01:37,167 INFO L858 garLoopResultBuilder]: For program point L3360-2(line 3360) no Hoare annotation was computed. [2021-11-16 20:01:37,167 INFO L854 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2021-11-16 20:01:37,168 INFO L854 garLoopResultBuilder]: At program point L3360-1(line 3360) the Hoare annotation is: false [2021-11-16 20:01:37,168 INFO L854 garLoopResultBuilder]: At program point L3393-2(lines 3390 3405) the Hoare annotation is: false [2021-11-16 20:01:37,168 INFO L858 garLoopResultBuilder]: For program point L3451(lines 3451 3456) no Hoare annotation was computed. [2021-11-16 20:01:37,168 INFO L858 garLoopResultBuilder]: For program point L3385(lines 3385 3388) no Hoare annotation was computed. [2021-11-16 20:01:37,168 INFO L854 garLoopResultBuilder]: At program point L3451-2(lines 3451 3456) the Hoare annotation is: false [2021-11-16 20:01:37,168 INFO L858 garLoopResultBuilder]: For program point L3377-1(line 3377) no Hoare annotation was computed. [2021-11-16 20:01:37,168 INFO L854 garLoopResultBuilder]: At program point L3377(line 3377) the Hoare annotation is: false [2021-11-16 20:01:37,168 INFO L854 garLoopResultBuilder]: At program point L3402(line 3402) the Hoare annotation is: false [2021-11-16 20:01:37,168 INFO L858 garLoopResultBuilder]: For program point L3369-1(line 3369) no Hoare annotation was computed. [2021-11-16 20:01:37,169 INFO L854 garLoopResultBuilder]: At program point L3369(line 3369) the Hoare annotation is: false [2021-11-16 20:01:37,169 INFO L858 garLoopResultBuilder]: For program point L3402-1(line 3402) no Hoare annotation was computed. [2021-11-16 20:01:37,169 INFO L854 garLoopResultBuilder]: At program point L8035-1(line 8035) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_erase_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 20:01:37,169 INFO L854 garLoopResultBuilder]: At program point L8035(line 8035) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_erase_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 20:01:37,169 INFO L858 garLoopResultBuilder]: For program point L3361-1(lines 3361 3365) no Hoare annotation was computed. [2021-11-16 20:01:37,169 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-16 20:01:37,169 INFO L854 garLoopResultBuilder]: At program point L3361(line 3361) the Hoare annotation is: false [2021-11-16 20:01:37,169 INFO L858 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2021-11-16 20:01:37,169 INFO L858 garLoopResultBuilder]: For program point L8035-2(line 8035) no Hoare annotation was computed. [2021-11-16 20:01:37,170 INFO L854 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2021-11-16 20:01:37,170 INFO L854 garLoopResultBuilder]: At program point L3386(line 3386) the Hoare annotation is: false [2021-11-16 20:01:37,170 INFO L858 garLoopResultBuilder]: For program point L3386-2(line 3386) no Hoare annotation was computed. [2021-11-16 20:01:37,170 INFO L854 garLoopResultBuilder]: At program point L3386-1(line 3386) the Hoare annotation is: false [2021-11-16 20:01:37,170 INFO L858 garLoopResultBuilder]: For program point L7185-1(line 7185) no Hoare annotation was computed. [2021-11-16 20:01:37,170 INFO L854 garLoopResultBuilder]: At program point L7185(line 7185) the Hoare annotation is: false [2021-11-16 20:01:37,170 INFO L854 garLoopResultBuilder]: At program point L7202(line 7202) the Hoare annotation is: false [2021-11-16 20:01:37,170 INFO L854 garLoopResultBuilder]: At program point L8036-1(line 8036) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_erase_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 20:01:37,170 INFO L854 garLoopResultBuilder]: At program point L8036(line 8036) the Hoare annotation is: (and (< 1 |ULTIMATE.start_aws_array_list_erase_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2021-11-16 20:01:37,171 INFO L858 garLoopResultBuilder]: For program point L3395-1(line 3395) no Hoare annotation was computed. [2021-11-16 20:01:37,171 INFO L854 garLoopResultBuilder]: At program point L3395(line 3395) the Hoare annotation is: false [2021-11-16 20:01:37,171 INFO L858 garLoopResultBuilder]: For program point L7202-1(line 7202) no Hoare annotation was computed. [2021-11-16 20:01:37,171 INFO L858 garLoopResultBuilder]: For program point L3387-1(line 3387) no Hoare annotation was computed. [2021-11-16 20:01:37,171 INFO L854 garLoopResultBuilder]: At program point L3354(line 3354) the Hoare annotation is: false [2021-11-16 20:01:37,171 INFO L854 garLoopResultBuilder]: At program point L3387(line 3387) the Hoare annotation is: false [2021-11-16 20:01:37,171 INFO L858 garLoopResultBuilder]: For program point L3354-2(line 3354) no Hoare annotation was computed. [2021-11-16 20:01:37,171 INFO L854 garLoopResultBuilder]: At program point L3354-1(line 3354) the Hoare annotation is: false [2021-11-16 20:01:37,171 INFO L854 garLoopResultBuilder]: At program point L3404(line 3404) the Hoare annotation is: false [2021-11-16 20:01:37,172 INFO L854 garLoopResultBuilder]: At program point L8045-2(lines 8045 8053) the Hoare annotation is: false [2021-11-16 20:01:37,172 INFO L858 garLoopResultBuilder]: For program point L3371-1(line 3371) no Hoare annotation was computed. [2021-11-16 20:01:37,172 INFO L854 garLoopResultBuilder]: At program point L3371(line 3371) the Hoare annotation is: false [2021-11-16 20:01:37,172 INFO L858 garLoopResultBuilder]: For program point L3404-1(line 3404) no Hoare annotation was computed. [2021-11-16 20:01:37,172 INFO L858 garLoopResultBuilder]: For program point L8045(lines 8045 8053) no Hoare annotation was computed. [2021-11-16 20:01:37,172 INFO L858 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2021-11-16 20:01:37,172 INFO L854 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2021-11-16 20:01:37,172 INFO L858 garLoopResultBuilder]: For program point L8037-1(line 8037) no Hoare annotation was computed. [2021-11-16 20:01:37,172 INFO L854 garLoopResultBuilder]: At program point L3363-1(line 3363) the Hoare annotation is: false [2021-11-16 20:01:37,173 INFO L854 garLoopResultBuilder]: At program point L8037(line 8037) the Hoare annotation is: (= |ULTIMATE.start_aws_array_list_erase_harness_#t~ret798#1| 0) [2021-11-16 20:01:37,173 INFO L854 garLoopResultBuilder]: At program point L3363(line 3363) the Hoare annotation is: false [2021-11-16 20:01:37,173 INFO L858 garLoopResultBuilder]: For program point aws_array_list_pop_backEXIT(lines 3429 3446) no Hoare annotation was computed. [2021-11-16 20:01:37,173 INFO L861 garLoopResultBuilder]: At program point L3444(line 3444) the Hoare annotation is: true [2021-11-16 20:01:37,173 INFO L858 garLoopResultBuilder]: For program point L3445-1(line 3445) no Hoare annotation was computed. [2021-11-16 20:01:37,173 INFO L861 garLoopResultBuilder]: At program point L3445(line 3445) the Hoare annotation is: true [2021-11-16 20:01:37,173 INFO L858 garLoopResultBuilder]: For program point L3444-2(line 3444) no Hoare annotation was computed. [2021-11-16 20:01:37,173 INFO L861 garLoopResultBuilder]: At program point aws_array_list_pop_backENTRY(lines 3429 3446) the Hoare annotation is: true [2021-11-16 20:01:37,173 INFO L861 garLoopResultBuilder]: At program point L3444-1(line 3444) the Hoare annotation is: true [2021-11-16 20:01:37,174 INFO L861 garLoopResultBuilder]: At program point L3440(line 3440) the Hoare annotation is: true [2021-11-16 20:01:37,174 INFO L861 garLoopResultBuilder]: At program point L3438(line 3438) the Hoare annotation is: true [2021-11-16 20:01:37,174 INFO L858 garLoopResultBuilder]: For program point L3440-2(line 3440) no Hoare annotation was computed. [2021-11-16 20:01:37,174 INFO L861 garLoopResultBuilder]: At program point L3440-1(line 3440) the Hoare annotation is: true [2021-11-16 20:01:37,174 INFO L861 garLoopResultBuilder]: At program point L3436(line 3436) the Hoare annotation is: true [2021-11-16 20:01:37,174 INFO L858 garLoopResultBuilder]: For program point L3438-1(line 3438) no Hoare annotation was computed. [2021-11-16 20:01:37,174 INFO L861 garLoopResultBuilder]: At program point L3434(line 3434) the Hoare annotation is: true [2021-11-16 20:01:37,174 INFO L858 garLoopResultBuilder]: For program point L3436-1(line 3436) no Hoare annotation was computed. [2021-11-16 20:01:37,174 INFO L861 garLoopResultBuilder]: At program point L3432(line 3432) the Hoare annotation is: true [2021-11-16 20:01:37,175 INFO L858 garLoopResultBuilder]: For program point L3434-1(line 3434) no Hoare annotation was computed. [2021-11-16 20:01:37,175 INFO L861 garLoopResultBuilder]: At program point L3431-1(line 3431) the Hoare annotation is: true [2021-11-16 20:01:37,175 INFO L861 garLoopResultBuilder]: At program point L3431(line 3431) the Hoare annotation is: true [2021-11-16 20:01:37,175 INFO L858 garLoopResultBuilder]: For program point L3432-1(lines 3432 3442) no Hoare annotation was computed. [2021-11-16 20:01:37,175 INFO L858 garLoopResultBuilder]: For program point aws_array_list_pop_backFINAL(lines 3429 3446) no Hoare annotation was computed. [2021-11-16 20:01:37,175 INFO L858 garLoopResultBuilder]: For program point L3431-2(line 3431) no Hoare annotation was computed. [2021-11-16 20:01:37,175 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-16 20:01:37,175 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-16 20:01:37,175 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-16 20:01:37,176 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-16 20:01:37,176 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-16 20:01:37,176 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-16 20:01:37,178 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-16 20:01:37,179 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-16 20:01:37,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 08:01:37 BoogieIcfgContainer [2021-11-16 20:01:37,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-16 20:01:37,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-16 20:01:37,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-16 20:01:37,186 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-16 20:01:37,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:01:32" (3/4) ... [2021-11-16 20:01:37,188 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-16 20:01:37,192 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-16 20:01:37,192 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2021-11-16 20:01:37,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memset [2021-11-16 20:01:37,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memset_impl [2021-11-16 20:01:37,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint8_t [2021-11-16 20:01:37,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2021-11-16 20:01:37,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2021-11-16 20:01:37,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-16 20:01:37,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-16 20:01:37,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-11-16 20:01:37,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-16 20:01:37,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2021-11-16 20:01:37,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2021-11-16 20:01:37,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memmove [2021-11-16 20:01:37,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memmove_impl [2021-11-16 20:01:37,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2021-11-16 20:01:37,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2021-11-16 20:01:37,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_pop_back [2021-11-16 20:01:37,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-16 20:01:37,204 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 154 nodes and edges [2021-11-16 20:01:37,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2021-11-16 20:01:37,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-16 20:01:37,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-16 20:01:37,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-16 20:01:37,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-16 20:01:37,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-16 20:01:37,210 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-16 20:01:37,796 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-16 20:01:37,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-16 20:01:37,797 INFO L158 Benchmark]: Toolchain (without parser) took 7796.78ms. Allocated memory was 117.4MB in the beginning and 272.6MB in the end (delta: 155.2MB). Free memory was 86.1MB in the beginning and 70.0MB in the end (delta: 16.1MB). Peak memory consumption was 208.9MB. Max. memory is 16.1GB. [2021-11-16 20:01:37,797 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-16 20:01:37,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1390.15ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 86.1MB in the beginning and 62.5MB in the end (delta: 23.6MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2021-11-16 20:01:37,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.86ms. Allocated memory is still 142.6MB. Free memory was 62.5MB in the beginning and 93.4MB in the end (delta: -30.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-16 20:01:37,798 INFO L158 Benchmark]: Boogie Preprocessor took 83.05ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 86.3MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-16 20:01:37,798 INFO L158 Benchmark]: RCFGBuilder took 993.07ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 86.3MB in the beginning and 140.1MB in the end (delta: -53.9MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2021-11-16 20:01:37,799 INFO L158 Benchmark]: TraceAbstraction took 4549.72ms. Allocated memory was 209.7MB in the beginning and 272.6MB in the end (delta: 62.9MB). Free memory was 139.1MB in the beginning and 211.5MB in the end (delta: -72.4MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. [2021-11-16 20:01:37,799 INFO L158 Benchmark]: Witness Printer took 610.79ms. Allocated memory is still 272.6MB. Free memory was 211.5MB in the beginning and 70.0MB in the end (delta: 141.6MB). Peak memory consumption was 176.2MB. Max. memory is 16.1GB. [2021-11-16 20:01:37,800 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1390.15ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 86.1MB in the beginning and 62.5MB in the end (delta: 23.6MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 161.86ms. Allocated memory is still 142.6MB. Free memory was 62.5MB in the beginning and 93.4MB in the end (delta: -30.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.05ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 86.3MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 993.07ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 86.3MB in the beginning and 140.1MB in the end (delta: -53.9MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4549.72ms. Allocated memory was 209.7MB in the beginning and 272.6MB in the end (delta: 62.9MB). Free memory was 139.1MB in the beginning and 211.5MB in the end (delta: -72.4MB). Peak memory consumption was 114.2MB. Max. memory is 16.1GB. * Witness Printer took 610.79ms. Allocated memory is still 272.6MB. Free memory was 211.5MB in the beginning and 70.0MB in the end (delta: 141.6MB). Peak memory consumption was 176.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 4, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 248 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 3152 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2120 mSDsCounter, 227 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 365 IncrementalHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 227 mSolverCounterUnsat, 1032 mSDtfsCounter, 365 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 112 LocationsWithAnnotation, 731 PreInvPairs, 738 NumberOfFragments, 359 HoareAnnotationTreeSize, 731 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 112 FomulaSimplificationsInter, 278 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 440 NumberOfCodeBlocks, 440 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 435 ConstructedInterpolants, 0 QuantifiedInterpolants, 713 SizeOfPredicates, 5 NumberOfNonLiveVariables, 6477 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 405/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3345]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8056]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3380]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-16 20:01:37,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE