./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro --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 fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:10:19,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:10:19,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:10:19,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:10:19,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:10:19,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:10:19,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:10:19,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:10:19,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:10:19,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:10:19,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:10:19,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:10:19,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:10:19,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:10:19,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:10:19,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:10:19,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:10:19,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:10:19,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:10:19,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:10:19,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:10:19,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:10:19,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:10:19,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:10:19,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:10:19,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:10:19,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:10:19,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:10:19,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:10:19,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:10:19,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:10:19,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:10:19,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:10:19,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:10:19,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:10:19,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:10:19,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:10:19,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:10:19,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:10:19,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:10:19,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:10:19,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:10:19,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:10:19,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:10:19,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:10:19,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:10:19,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:10:19,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:10:19,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:10:19,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:10:19,771 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:10:19,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:10:19,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:10:19,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:10:19,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:10:19,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:10:19,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:10:19,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:10:19,773 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:10:19,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:10:19,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:10:19,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:10:19,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:10:19,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:10:19,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:10:19,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:10:19,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:10:19,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:10:19,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:10:19,776 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:10:19,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:10:19,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:10:19,777 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 [2022-11-18 20:10:20,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:10:20,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:10:20,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:10:20,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:10:20,068 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:10:20,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2022-11-18 20:10:20,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/data/bbf9740fa/3a0fd3533909432bb93a2ba4e9f6df78/FLAG965b92336 [2022-11-18 20:10:20,956 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:10:20,960 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2022-11-18 20:10:21,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/data/bbf9740fa/3a0fd3533909432bb93a2ba4e9f6df78/FLAG965b92336 [2022-11-18 20:10:21,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/data/bbf9740fa/3a0fd3533909432bb93a2ba4e9f6df78 [2022-11-18 20:10:21,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:10:21,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:10:21,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:10:21,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:10:21,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:10:21,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:10:21" (1/1) ... [2022-11-18 20:10:21,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c03ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:21, skipping insertion in model container [2022-11-18 20:10:21,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:10:21" (1/1) ... [2022-11-18 20:10:21,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:10:21,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:10:21,925 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2022-11-18 20:10:21,933 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2022-11-18 20:10:22,807 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-18 20:10:22,906 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,920 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,921 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,922 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,926 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,946 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,956 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,959 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,964 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,966 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,969 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,972 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:22,973 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,382 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-18 20:10:23,384 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-18 20:10:23,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-18 20:10:23,387 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-18 20:10:23,389 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-18 20:10:23,390 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-18 20:10:23,390 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-18 20:10:23,391 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-18 20:10:23,392 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-18 20:10:23,393 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-18 20:10:23,602 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,609 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:10:23,697 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:10:23,712 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2022-11-18 20:10:23,713 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2022-11-18 20:10:23,746 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-18 20:10:23,763 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,763 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,769 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,770 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,771 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,779 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,779 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,781 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,781 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,783 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,784 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,784 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,785 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,821 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-18 20:10:23,822 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-18 20:10:23,822 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-18 20:10:23,823 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-18 20:10:23,825 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-18 20:10:23,825 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-18 20:10:23,826 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-18 20:10:23,827 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-18 20:10:23,827 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-18 20:10:23,828 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-18 20:10:23,861 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,867 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-18 20:10:23,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:10:24,102 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:10:24,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24 WrapperNode [2022-11-18 20:10:24,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:10:24,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:10:24,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:10:24,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:10:24,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (1/1) ... [2022-11-18 20:10:24,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (1/1) ... [2022-11-18 20:10:24,295 INFO L138 Inliner]: procedures = 691, calls = 1689, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 666 [2022-11-18 20:10:24,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:10:24,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:10:24,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:10:24,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:10:24,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (1/1) ... [2022-11-18 20:10:24,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (1/1) ... [2022-11-18 20:10:24,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (1/1) ... [2022-11-18 20:10:24,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (1/1) ... [2022-11-18 20:10:24,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (1/1) ... [2022-11-18 20:10:24,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (1/1) ... [2022-11-18 20:10:24,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (1/1) ... [2022-11-18 20:10:24,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (1/1) ... [2022-11-18 20:10:24,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:10:24,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:10:24,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:10:24,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:10:24,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (1/1) ... [2022-11-18 20:10:24,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:10:24,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:10:24,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:10:24,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:10:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 20:10:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:10:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-18 20:10:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-18 20:10:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-18 20:10:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-18 20:10:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-18 20:10:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-18 20:10:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:10:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-18 20:10:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-18 20:10:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-18 20:10:24,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-18 20:10:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:10:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:10:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:10:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-18 20:10:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-18 20:10:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:10:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:10:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-18 20:10:24,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-18 20:10:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-18 20:10:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-18 20:10:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-18 20:10:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-18 20:10:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-18 20:10:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-18 20:10:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-18 20:10:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-18 20:10:24,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:10:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:10:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-18 20:10:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-18 20:10:24,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:10:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:10:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:10:24,580 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-18 20:10:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-18 20:10:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-18 20:10:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-18 20:10:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:10:24,581 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-18 20:10:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-18 20:10:24,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:10:24,967 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:10:24,971 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:10:26,185 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:10:26,194 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:10:26,194 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:10:26,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:10:26 BoogieIcfgContainer [2022-11-18 20:10:26,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:10:26,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:10:26,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:10:26,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:10:26,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:10:21" (1/3) ... [2022-11-18 20:10:26,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f37125c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:10:26, skipping insertion in model container [2022-11-18 20:10:26,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:10:24" (2/3) ... [2022-11-18 20:10:26,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f37125c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:10:26, skipping insertion in model container [2022-11-18 20:10:26,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:10:26" (3/3) ... [2022-11-18 20:10:26,208 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2022-11-18 20:10:26,231 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:10:26,231 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:10:26,289 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:10:26,296 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5565ae38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:10:26,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:10:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-11-18 20:10:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-18 20:10:26,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:26,316 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:26,317 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:26,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:26,322 INFO L85 PathProgramCache]: Analyzing trace with hash 565976823, now seen corresponding path program 1 times [2022-11-18 20:10:26,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:26,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042990918] [2022-11-18 20:10:26,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:26,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:10:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:10:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:10:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:10:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:10:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:10:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:10:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:10:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:10:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:10:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:10:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:10:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:10:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:10:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 20:10:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:10:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:10:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 20:10:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:10:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-18 20:10:27,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:27,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042990918] [2022-11-18 20:10:27,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042990918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:27,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:27,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:10:27,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961058894] [2022-11-18 20:10:27,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:27,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:10:27,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:27,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:10:27,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:10:27,495 INFO L87 Difference]: Start difference. First operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 20:10:28,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:28,372 INFO L93 Difference]: Finished difference Result 378 states and 547 transitions. [2022-11-18 20:10:28,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:10:28,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2022-11-18 20:10:28,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:28,394 INFO L225 Difference]: With dead ends: 378 [2022-11-18 20:10:28,395 INFO L226 Difference]: Without dead ends: 194 [2022-11-18 20:10:28,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:10:28,413 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 114 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:28,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 282 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 20:10:28,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-18 20:10:28,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 173. [2022-11-18 20:10:28,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 104 states have internal predecessors, (120), 54 states have call successors, (54), 16 states have call predecessors, (54), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-18 20:10:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 226 transitions. [2022-11-18 20:10:28,538 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 226 transitions. Word has length 124 [2022-11-18 20:10:28,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:28,539 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 226 transitions. [2022-11-18 20:10:28,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 20:10:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2022-11-18 20:10:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-18 20:10:28,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:28,551 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:28,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:10:28,551 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:28,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:28,552 INFO L85 PathProgramCache]: Analyzing trace with hash 717213231, now seen corresponding path program 1 times [2022-11-18 20:10:28,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:28,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159865050] [2022-11-18 20:10:28,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:28,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:10:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:10:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:10:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:10:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:10:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:10:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:10:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:10:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:10:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:10:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:10:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:10:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:10:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:10:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 20:10:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:10:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:10:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 20:10:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:10:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-18 20:10:29,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:29,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159865050] [2022-11-18 20:10:29,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159865050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:29,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:29,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 20:10:29,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978739558] [2022-11-18 20:10:29,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:29,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:10:29,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:29,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:10:29,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:10:29,954 INFO L87 Difference]: Start difference. First operand 173 states and 226 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 20:10:31,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:31,539 INFO L93 Difference]: Finished difference Result 365 states and 503 transitions. [2022-11-18 20:10:31,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:10:31,540 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2022-11-18 20:10:31,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:31,544 INFO L225 Difference]: With dead ends: 365 [2022-11-18 20:10:31,544 INFO L226 Difference]: Without dead ends: 252 [2022-11-18 20:10:31,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:10:31,546 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 140 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:31,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 979 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-18 20:10:31,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-11-18 20:10:31,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 186. [2022-11-18 20:10:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 113 states have internal predecessors, (130), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 55 states have call successors, (56) [2022-11-18 20:10:31,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2022-11-18 20:10:31,603 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 124 [2022-11-18 20:10:31,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:31,604 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2022-11-18 20:10:31,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 20:10:31,605 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2022-11-18 20:10:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-18 20:10:31,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:31,607 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:31,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:10:31,608 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:31,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:31,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1593232237, now seen corresponding path program 1 times [2022-11-18 20:10:31,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:31,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829698651] [2022-11-18 20:10:31,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:31,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:10:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:10:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:10:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:10:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:10:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:10:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:10:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:10:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:10:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:10:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:10:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:10:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:10:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:10:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 20:10:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:10:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:10:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 20:10:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:10:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-18 20:10:32,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:32,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829698651] [2022-11-18 20:10:32,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829698651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:32,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:32,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:10:32,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654433051] [2022-11-18 20:10:32,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:32,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 20:10:32,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:32,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:10:32,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:10:32,888 INFO L87 Difference]: Start difference. First operand 186 states and 243 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-18 20:10:34,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:34,555 INFO L93 Difference]: Finished difference Result 359 states and 492 transitions. [2022-11-18 20:10:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:10:34,556 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 124 [2022-11-18 20:10:34,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:34,560 INFO L225 Difference]: With dead ends: 359 [2022-11-18 20:10:34,560 INFO L226 Difference]: Without dead ends: 252 [2022-11-18 20:10:34,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:10:34,562 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 114 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:34,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 1110 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-18 20:10:34,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-11-18 20:10:34,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 192. [2022-11-18 20:10:34,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2022-11-18 20:10:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2022-11-18 20:10:34,596 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 252 transitions. Word has length 124 [2022-11-18 20:10:34,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:34,597 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 252 transitions. [2022-11-18 20:10:34,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-18 20:10:34,597 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2022-11-18 20:10:34,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-18 20:10:34,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:34,600 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:34,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:10:34,600 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:34,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:34,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1198865451, now seen corresponding path program 1 times [2022-11-18 20:10:34,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:34,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763150376] [2022-11-18 20:10:34,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:34,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:10:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:10:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:10:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:10:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:10:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:10:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:10:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:10:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 20:10:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:10:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:10:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:10:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:10:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:10:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 20:10:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:10:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 20:10:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 20:10:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:10:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-11-18 20:10:35,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:35,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763150376] [2022-11-18 20:10:35,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763150376] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:10:35,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101878769] [2022-11-18 20:10:35,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:35,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:35,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:10:35,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:10:35,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:10:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:36,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 2214 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:10:36,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:10:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-18 20:10:36,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:10:36,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101878769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:36,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:10:36,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2022-11-18 20:10:36,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655109075] [2022-11-18 20:10:36,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:36,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:10:36,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:36,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:10:36,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:10:36,178 INFO L87 Difference]: Start difference. First operand 192 states and 252 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 20:10:36,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:36,380 INFO L93 Difference]: Finished difference Result 357 states and 477 transitions. [2022-11-18 20:10:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:10:36,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2022-11-18 20:10:36,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:36,383 INFO L225 Difference]: With dead ends: 357 [2022-11-18 20:10:36,387 INFO L226 Difference]: Without dead ends: 194 [2022-11-18 20:10:36,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:10:36,389 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 2 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:36,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1002 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:10:36,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-18 20:10:36,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-11-18 20:10:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 116 states have (on average 1.1551724137931034) internal successors, (134), 118 states have internal predecessors, (134), 60 states have call successors, (60), 16 states have call predecessors, (60), 17 states have return successors, (68), 59 states have call predecessors, (68), 58 states have call successors, (68) [2022-11-18 20:10:36,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2022-11-18 20:10:36,422 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 124 [2022-11-18 20:10:36,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:36,423 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2022-11-18 20:10:36,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-18 20:10:36,423 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2022-11-18 20:10:36,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-18 20:10:36,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:36,425 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:36,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:10:36,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:36,635 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:36,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:36,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1419762735, now seen corresponding path program 1 times [2022-11-18 20:10:36,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:36,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133198666] [2022-11-18 20:10:36,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:36,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:36,711 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:10:36,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105800122] [2022-11-18 20:10:36,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:36,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:36,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:10:36,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:10:36,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:10:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:37,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 2361 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:10:37,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:10:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-18 20:10:37,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:10:37,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:37,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133198666] [2022-11-18 20:10:37,379 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-18 20:10:37,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105800122] [2022-11-18 20:10:37,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105800122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:37,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:37,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:10:37,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370524390] [2022-11-18 20:10:37,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:37,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:10:37,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:37,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:10:37,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:10:37,382 INFO L87 Difference]: Start difference. First operand 194 states and 262 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-18 20:10:37,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:37,478 INFO L93 Difference]: Finished difference Result 235 states and 304 transitions. [2022-11-18 20:10:37,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:10:37,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 139 [2022-11-18 20:10:37,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:37,480 INFO L225 Difference]: With dead ends: 235 [2022-11-18 20:10:37,480 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:10:37,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:10:37,482 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:37,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 235 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:10:37,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:10:37,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:10:37,484 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) [2022-11-18 20:10:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:10:37,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2022-11-18 20:10:37,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:37,485 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:10:37,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-18 20:10:37,486 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:10:37,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:10:37,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:10:37,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:10:37,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:10:37,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:10:38,257 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 2778 2783) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-18 20:10:38,259 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 2778 2783) no Hoare annotation was computed. [2022-11-18 20:10:38,260 INFO L899 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2022-11-18 20:10:38,260 INFO L895 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-18 20:10:38,260 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2022-11-18 20:10:38,260 INFO L899 garLoopResultBuilder]: For program point L7011-4(lines 7010 7022) no Hoare annotation was computed. [2022-11-18 20:10:38,260 INFO L899 garLoopResultBuilder]: For program point L7011-2(lines 7011 7021) no Hoare annotation was computed. [2022-11-18 20:10:38,261 INFO L902 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2022-11-18 20:10:38,261 INFO L899 garLoopResultBuilder]: For program point L7020-1(line 7020) no Hoare annotation was computed. [2022-11-18 20:10:38,261 INFO L902 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2022-11-18 20:10:38,261 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7010 7022) no Hoare annotation was computed. [2022-11-18 20:10:38,261 INFO L899 garLoopResultBuilder]: For program point L7018-3(lines 7018 7020) no Hoare annotation was computed. [2022-11-18 20:10:38,262 INFO L895 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 7010 7022) 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|))) [2022-11-18 20:10:38,262 INFO L899 garLoopResultBuilder]: For program point L7018-1(lines 7018 7020) no Hoare annotation was computed. [2022-11-18 20:10:38,262 INFO L899 garLoopResultBuilder]: For program point L7012-1(lines 7012 7014) no Hoare annotation was computed. [2022-11-18 20:10:38,262 INFO L895 garLoopResultBuilder]: At program point L7012(lines 7012 7014) 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|))) [2022-11-18 20:10:38,262 INFO L899 garLoopResultBuilder]: For program point L7015-1(line 7015) no Hoare annotation was computed. [2022-11-18 20:10:38,263 INFO L895 garLoopResultBuilder]: At program point L7015(line 7015) 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|))) [2022-11-18 20:10:38,263 INFO L899 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2022-11-18 20:10:38,263 INFO L895 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|))) [2022-11-18 20:10:38,263 INFO L899 garLoopResultBuilder]: For program point L7011(line 7011) no Hoare annotation was computed. [2022-11-18 20:10:38,263 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6996 7008) no Hoare annotation was computed. [2022-11-18 20:10:38,264 INFO L902 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6996 7008) the Hoare annotation is: true [2022-11-18 20:10:38,264 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6996 7008) no Hoare annotation was computed. [2022-11-18 20:10:38,264 INFO L895 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|))) [2022-11-18 20:10:38,264 INFO L899 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2022-11-18 20:10:38,264 INFO L899 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2022-11-18 20:10:38,265 INFO L899 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2022-11-18 20:10:38,265 INFO L899 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2022-11-18 20:10:38,265 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2022-11-18 20:10:38,265 INFO L899 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2022-11-18 20:10:38,265 INFO L899 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2022-11-18 20:10:38,265 INFO L899 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2022-11-18 20:10:38,266 INFO L895 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))) [2022-11-18 20:10:38,266 INFO L899 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2022-11-18 20:10:38,266 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2022-11-18 20:10:38,266 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-18 20:10:38,266 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-18 20:10:38,267 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-18 20:10:38,267 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7174 7178) no Hoare annotation was computed. [2022-11-18 20:10:38,267 INFO L902 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7174 7178) the Hoare annotation is: true [2022-11-18 20:10:38,267 INFO L899 garLoopResultBuilder]: For program point L7175(lines 7175 7177) no Hoare annotation was computed. [2022-11-18 20:10:38,267 INFO L899 garLoopResultBuilder]: For program point L7176-1(line 7176) no Hoare annotation was computed. [2022-11-18 20:10:38,267 INFO L902 garLoopResultBuilder]: At program point L7176(line 7176) the Hoare annotation is: true [2022-11-18 20:10:38,268 INFO L899 garLoopResultBuilder]: For program point L7175-2(lines 7174 7178) no Hoare annotation was computed. [2022-11-18 20:10:38,268 INFO L895 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|))) [2022-11-18 20:10:38,268 INFO L899 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2022-11-18 20:10:38,268 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2022-11-18 20:10:38,268 INFO L902 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2022-11-18 20:10:38,269 INFO L899 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2022-11-18 20:10:38,269 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2584 2592) no Hoare annotation was computed. [2022-11-18 20:10:38,269 INFO L895 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|))) [2022-11-18 20:10:38,269 INFO L902 garLoopResultBuilder]: At program point L2499(lines 2495 2500) the Hoare annotation is: true [2022-11-18 20:10:38,269 INFO L902 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: true [2022-11-18 20:10:38,270 INFO L902 garLoopResultBuilder]: At program point L7381-3(lines 7381 7382) the Hoare annotation is: true [2022-11-18 20:10:38,270 INFO L899 garLoopResultBuilder]: For program point memcpy_implFINAL(lines 7373 7385) no Hoare annotation was computed. [2022-11-18 20:10:38,270 INFO L899 garLoopResultBuilder]: For program point L7379(line 7379) no Hoare annotation was computed. [2022-11-18 20:10:38,270 INFO L899 garLoopResultBuilder]: For program point L7381-2(lines 7381 7382) no Hoare annotation was computed. [2022-11-18 20:10:38,270 INFO L902 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: true [2022-11-18 20:10:38,270 INFO L899 garLoopResultBuilder]: For program point memcpy_implEXIT(lines 7373 7385) no Hoare annotation was computed. [2022-11-18 20:10:38,271 INFO L902 garLoopResultBuilder]: At program point memcpy_implENTRY(lines 7373 7385) the Hoare annotation is: true [2022-11-18 20:10:38,271 INFO L899 garLoopResultBuilder]: For program point L7381-4(lines 7381 7382) no Hoare annotation was computed. [2022-11-18 20:10:38,271 INFO L902 garLoopResultBuilder]: At program point L7374-1(line 7374) the Hoare annotation is: true [2022-11-18 20:10:38,271 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2022-11-18 20:10:38,271 INFO L902 garLoopResultBuilder]: At program point aws_array_list_lengthENTRY(lines 3487 3498) the Hoare annotation is: true [2022-11-18 20:10:38,271 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthFINAL(lines 3487 3498) no Hoare annotation was computed. [2022-11-18 20:10:38,272 INFO L902 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2022-11-18 20:10:38,272 INFO L902 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2022-11-18 20:10:38,272 INFO L899 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2022-11-18 20:10:38,272 INFO L902 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2022-11-18 20:10:38,272 INFO L899 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2022-11-18 20:10:38,273 INFO L899 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2022-11-18 20:10:38,273 INFO L902 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2022-11-18 20:10:38,273 INFO L899 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2022-11-18 20:10:38,273 INFO L902 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2022-11-18 20:10:38,273 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 2795 2799) the Hoare annotation is: true [2022-11-18 20:10:38,273 INFO L902 garLoopResultBuilder]: At program point L2798(line 2798) the Hoare annotation is: true [2022-11-18 20:10:38,274 INFO L902 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: true [2022-11-18 20:10:38,274 INFO L899 garLoopResultBuilder]: For program point L2798-1(line 2798) no Hoare annotation was computed. [2022-11-18 20:10:38,274 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2798) no Hoare annotation was computed. [2022-11-18 20:10:38,274 INFO L899 garLoopResultBuilder]: For program point L2796-3(lines 2796 2798) no Hoare annotation was computed. [2022-11-18 20:10:38,274 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 2795 2799) no Hoare annotation was computed. [2022-11-18 20:10:38,275 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 2795 2799) no Hoare annotation was computed. [2022-11-18 20:10:38,275 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-18 20:10:38,275 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-18 20:10:38,275 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-18 20:10:38,275 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-18 20:10:38,276 INFO L895 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)|)) [2022-11-18 20:10:38,276 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-11-18 20:10:38,276 INFO L899 garLoopResultBuilder]: For program point L7363(lines 7363 7365) no Hoare annotation was computed. [2022-11-18 20:10:38,276 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-11-18 20:10:38,276 INFO L902 garLoopResultBuilder]: At program point my_memcpyENTRY(lines 7387 7389) the Hoare annotation is: true [2022-11-18 20:10:38,277 INFO L899 garLoopResultBuilder]: For program point my_memcpyFINAL(lines 7387 7389) no Hoare annotation was computed. [2022-11-18 20:10:38,277 INFO L899 garLoopResultBuilder]: For program point L7388-1(line 7388) no Hoare annotation was computed. [2022-11-18 20:10:38,277 INFO L902 garLoopResultBuilder]: At program point L7388(line 7388) the Hoare annotation is: true [2022-11-18 20:10:38,277 INFO L899 garLoopResultBuilder]: For program point my_memcpyEXIT(lines 7387 7389) no Hoare annotation was computed. [2022-11-18 20:10:38,277 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 2785 2787) no Hoare annotation was computed. [2022-11-18 20:10:38,277 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2022-11-18 20:10:38,278 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 2785 2787) the Hoare annotation is: true [2022-11-18 20:10:38,278 INFO L895 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|))) [2022-11-18 20:10:38,278 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2022-11-18 20:10:38,278 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2022-11-18 20:10:38,278 INFO L899 garLoopResultBuilder]: For program point L3330-2(line 3330) no Hoare annotation was computed. [2022-11-18 20:10:38,279 INFO L895 garLoopResultBuilder]: At program point L3330-1(line 3330) the Hoare annotation is: false [2022-11-18 20:10:38,279 INFO L899 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2022-11-18 20:10:38,279 INFO L895 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: false [2022-11-18 20:10:38,279 INFO L899 garLoopResultBuilder]: For program point L7980-1(line 7980) no Hoare annotation was computed. [2022-11-18 20:10:38,279 INFO L895 garLoopResultBuilder]: At program point L7980(line 7980) the Hoare annotation is: false [2022-11-18 20:10:38,279 INFO L899 garLoopResultBuilder]: For program point L3331(line 3331) no Hoare annotation was computed. [2022-11-18 20:10:38,280 INFO L899 garLoopResultBuilder]: For program point L3331-3(line 3331) no Hoare annotation was computed. [2022-11-18 20:10:38,280 INFO L895 garLoopResultBuilder]: At program point L3331-2(line 3331) the Hoare annotation is: false [2022-11-18 20:10:38,280 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:10:38,280 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:10:38,280 INFO L899 garLoopResultBuilder]: For program point L7196-1(line 7196) no Hoare annotation was computed. [2022-11-18 20:10:38,280 INFO L899 garLoopResultBuilder]: For program point L7997-1(line 7997) no Hoare annotation was computed. [2022-11-18 20:10:38,281 INFO L895 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2022-11-18 20:10:38,281 INFO L895 garLoopResultBuilder]: At program point L7997(line 7997) the Hoare annotation is: false [2022-11-18 20:10:38,281 INFO L899 garLoopResultBuilder]: For program point L7989-2(line 7989) no Hoare annotation was computed. [2022-11-18 20:10:38,281 INFO L895 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: false [2022-11-18 20:10:38,281 INFO L902 garLoopResultBuilder]: At program point L7188(lines 7188 7205) the Hoare annotation is: true [2022-11-18 20:10:38,282 INFO L895 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: false [2022-11-18 20:10:38,282 INFO L899 garLoopResultBuilder]: For program point L7981-1(line 7981) no Hoare annotation was computed. [2022-11-18 20:10:38,282 INFO L899 garLoopResultBuilder]: For program point L7180(lines 7180 7186) no Hoare annotation was computed. [2022-11-18 20:10:38,282 INFO L895 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: false [2022-11-18 20:10:38,282 INFO L899 garLoopResultBuilder]: For program point L7990(line 7990) no Hoare annotation was computed. [2022-11-18 20:10:38,282 INFO L899 garLoopResultBuilder]: For program point L7990-3(line 7990) no Hoare annotation was computed. [2022-11-18 20:10:38,283 INFO L895 garLoopResultBuilder]: At program point L7990-2(line 7990) the Hoare annotation is: false [2022-11-18 20:10:38,283 INFO L895 garLoopResultBuilder]: At program point L3341-1(line 3341) the Hoare annotation is: false [2022-11-18 20:10:38,283 INFO L895 garLoopResultBuilder]: At program point L3341(line 3341) the Hoare annotation is: false [2022-11-18 20:10:38,283 INFO L899 garLoopResultBuilder]: For program point L7181(lines 7181 7185) no Hoare annotation was computed. [2022-11-18 20:10:38,283 INFO L899 garLoopResultBuilder]: For program point L3341-2(line 3341) no Hoare annotation was computed. [2022-11-18 20:10:38,283 INFO L895 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2022-11-18 20:10:38,284 INFO L899 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2022-11-18 20:10:38,284 INFO L895 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: false [2022-11-18 20:10:38,284 INFO L895 garLoopResultBuilder]: At program point L3342-2(lines 3328 3343) the Hoare annotation is: false [2022-11-18 20:10:38,284 INFO L899 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2022-11-18 20:10:38,284 INFO L895 garLoopResultBuilder]: At program point L3334(line 3334) the Hoare annotation is: false [2022-11-18 20:10:38,284 INFO L899 garLoopResultBuilder]: For program point L3334-1(lines 3334 3339) no Hoare annotation was computed. [2022-11-18 20:10:38,285 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2022-11-18 20:10:38,285 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2022-11-18 20:10:38,285 INFO L899 garLoopResultBuilder]: For program point L7183-1(line 7183) no Hoare annotation was computed. [2022-11-18 20:10:38,285 INFO L895 garLoopResultBuilder]: At program point L7183(line 7183) the Hoare annotation is: false [2022-11-18 20:10:38,285 INFO L899 garLoopResultBuilder]: For program point L7976-2(line 7976) no Hoare annotation was computed. [2022-11-18 20:10:38,285 INFO L895 garLoopResultBuilder]: At program point L7976-1(line 7976) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-18 20:10:38,286 INFO L895 garLoopResultBuilder]: At program point L7976(line 7976) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-18 20:10:38,286 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2022-11-18 20:10:38,286 INFO L899 garLoopResultBuilder]: For program point L3335-1(line 3335) no Hoare annotation was computed. [2022-11-18 20:10:38,286 INFO L895 garLoopResultBuilder]: At program point L3335(line 3335) the Hoare annotation is: false [2022-11-18 20:10:38,286 INFO L899 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2022-11-18 20:10:38,287 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:10:38,287 INFO L899 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2022-11-18 20:10:38,287 INFO L895 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2022-11-18 20:10:38,287 INFO L895 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: false [2022-11-18 20:10:38,287 INFO L895 garLoopResultBuilder]: At program point L7993-2(lines 7993 7998) the Hoare annotation is: false [2022-11-18 20:10:38,287 INFO L899 garLoopResultBuilder]: For program point L7993(lines 7993 7998) no Hoare annotation was computed. [2022-11-18 20:10:38,288 INFO L895 garLoopResultBuilder]: At program point L3336(line 3336) the Hoare annotation is: false [2022-11-18 20:10:38,288 INFO L895 garLoopResultBuilder]: At program point L7977-1(line 7977) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-18 20:10:38,288 INFO L895 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-18 20:10:38,288 INFO L899 garLoopResultBuilder]: For program point L3336-1(line 3336) no Hoare annotation was computed. [2022-11-18 20:10:38,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:10:38,289 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2022-11-18 20:10:38,289 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2022-11-18 20:10:38,289 INFO L899 garLoopResultBuilder]: For program point L7193(lines 7193 7197) no Hoare annotation was computed. [2022-11-18 20:10:38,289 INFO L895 garLoopResultBuilder]: At program point L7978(line 7978) the Hoare annotation is: (= |ULTIMATE.start_aws_array_list_front_harness_#t~ret793#1| 0) [2022-11-18 20:10:38,289 INFO L895 garLoopResultBuilder]: At program point L3337-1(line 3337) the Hoare annotation is: false [2022-11-18 20:10:38,289 INFO L895 garLoopResultBuilder]: At program point L3337(line 3337) the Hoare annotation is: false [2022-11-18 20:10:38,290 INFO L899 garLoopResultBuilder]: For program point L7978-1(line 7978) no Hoare annotation was computed. [2022-11-18 20:10:38,290 INFO L899 garLoopResultBuilder]: For program point L3337-2(line 3337) no Hoare annotation was computed. [2022-11-18 20:10:38,290 INFO L899 garLoopResultBuilder]: For program point L7202(lines 7202 7204) no Hoare annotation was computed. [2022-11-18 20:10:38,290 INFO L899 garLoopResultBuilder]: For program point L7995-1(line 7995) no Hoare annotation was computed. [2022-11-18 20:10:38,290 INFO L895 garLoopResultBuilder]: At program point L7995(line 7995) the Hoare annotation is: false [2022-11-18 20:10:38,290 INFO L899 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2022-11-18 20:10:38,291 INFO L895 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2022-11-18 20:10:38,291 INFO L899 garLoopResultBuilder]: For program point L7971(lines 7971 8003) no Hoare annotation was computed. [2022-11-18 20:10:38,291 INFO L895 garLoopResultBuilder]: At program point L3330(line 3330) the Hoare annotation is: false [2022-11-18 20:10:38,291 INFO L902 garLoopResultBuilder]: At program point L8004(line 8004) the Hoare annotation is: true [2022-11-18 20:10:38,291 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-18 20:10:38,292 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-18 20:10:38,292 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-18 20:10:38,292 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-18 20:10:38,292 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-18 20:10:38,292 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-18 20:10:38,296 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-18 20:10:38,299 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:10:38,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:10:38 BoogieIcfgContainer [2022-11-18 20:10:38,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:10:38,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:10:38,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:10:38,316 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:10:38,316 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:10:26" (3/4) ... [2022-11-18 20:10:38,319 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:10:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-11-18 20:10:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-18 20:10:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2022-11-18 20:10:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2022-11-18 20:10:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2022-11-18 20:10:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-18 20:10:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-18 20:10:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-11-18 20:10:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2022-11-18 20:10:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-18 20:10:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2022-11-18 20:10:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2022-11-18 20:10:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2022-11-18 20:10:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2022-11-18 20:10:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2022-11-18 20:10:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-18 20:10:38,350 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 145 nodes and edges [2022-11-18 20:10:38,353 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2022-11-18 20:10:38,354 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-18 20:10:38,356 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-18 20:10:38,357 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-18 20:10:38,358 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:10:38,359 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:10:38,361 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:10:38,884 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:10:38,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:10:38,885 INFO L158 Benchmark]: Toolchain (without parser) took 17371.15ms. Allocated memory was 136.3MB in the beginning and 289.4MB in the end (delta: 153.1MB). Free memory was 98.9MB in the beginning and 153.3MB in the end (delta: -54.4MB). Peak memory consumption was 208.2MB. Max. memory is 16.1GB. [2022-11-18 20:10:38,886 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory was 47.6MB in the beginning and 47.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:10:38,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2586.77ms. Allocated memory is still 136.3MB. Free memory was 98.5MB in the beginning and 84.0MB in the end (delta: 14.5MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2022-11-18 20:10:38,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 199.12ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 74.8MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:10:38,887 INFO L158 Benchmark]: Boogie Preprocessor took 147.41ms. Allocated memory is still 136.3MB. Free memory was 74.8MB in the beginning and 68.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:10:38,887 INFO L158 Benchmark]: RCFGBuilder took 1745.48ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 68.5MB in the beginning and 125.4MB in the end (delta: -56.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-18 20:10:38,887 INFO L158 Benchmark]: TraceAbstraction took 12114.89ms. Allocated memory was 192.9MB in the beginning and 289.4MB in the end (delta: 96.5MB). Free memory was 124.4MB in the beginning and 104.4MB in the end (delta: 20.0MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2022-11-18 20:10:38,888 INFO L158 Benchmark]: Witness Printer took 569.60ms. Allocated memory is still 289.4MB. Free memory was 104.4MB in the beginning and 153.3MB in the end (delta: -48.9MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2022-11-18 20:10:38,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 92.3MB. Free memory was 47.6MB in the beginning and 47.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2586.77ms. Allocated memory is still 136.3MB. Free memory was 98.5MB in the beginning and 84.0MB in the end (delta: 14.5MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 199.12ms. Allocated memory is still 136.3MB. Free memory was 84.0MB in the beginning and 74.8MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.41ms. Allocated memory is still 136.3MB. Free memory was 74.8MB in the beginning and 68.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1745.48ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 68.5MB in the beginning and 125.4MB in the end (delta: -56.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 12114.89ms. Allocated memory was 192.9MB in the beginning and 289.4MB in the end (delta: 96.5MB). Free memory was 124.4MB in the beginning and 104.4MB in the end (delta: 20.0MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. * Witness Printer took 569.60ms. Allocated memory is still 289.4MB. Free memory was 104.4MB in the beginning and 153.3MB in the end (delta: -48.9MB). Peak memory consumption was 61.2MB. 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 17 procedures, 182 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 522 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 460 mSDsluCounter, 3608 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2789 mSDsCounter, 442 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2439 IncrementalHoareTripleChecker+Invalid, 2881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 442 mSolverCounterUnsat, 819 mSDtfsCounter, 2439 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 420 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 147 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 76 LocationsWithAnnotation, 405 PreInvPairs, 413 NumberOfFragments, 323 HoareAnnotationTreeSize, 405 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 76 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 1539 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4575 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1291/1320 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: 3328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:10:38,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_960f6877-0b28-4379-a453-31ac8c4d2ad8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE