./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN --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 a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d --- 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-6b4ec56 [2022-11-20 10:31:08,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:31:08,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:31:08,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:31:08,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:31:08,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:31:08,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:31:08,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:31:08,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:31:08,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:31:08,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:31:08,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:31:08,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:31:08,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:31:08,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:31:08,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:31:08,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:31:08,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:31:08,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:31:08,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:31:08,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:31:08,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:31:08,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:31:08,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:31:08,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:31:08,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:31:08,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:31:08,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:31:08,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:31:08,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:31:08,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:31:08,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:31:08,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:31:08,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:31:08,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:31:08,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:31:08,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:31:08,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:31:08,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:31:08,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:31:08,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:31:08,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:31:08,953 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:31:08,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:31:08,954 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:31:08,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:31:08,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:31:08,956 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:31:08,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:31:08,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:31:08,957 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:31:08,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:31:08,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:31:08,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:31:08,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:31:08,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:31:08,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:31:08,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:31:08,960 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:31:08,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:31:08,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:31:08,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:31:08,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:31:08,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:08,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:31:08,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:31:08,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:31:08,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:31:08,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:31:08,964 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:31:08,964 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:31:08,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:31:08,965 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_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d [2022-11-20 10:31:09,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:31:09,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:31:09,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:31:09,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:31:09,363 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:31:09,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2022-11-20 10:31:12,730 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:31:13,438 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:31:13,439 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2022-11-20 10:31:13,492 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/data/fa8fc818c/225843000ec74ee1a04362936ac80cab/FLAGe75f46ac7 [2022-11-20 10:31:13,516 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/data/fa8fc818c/225843000ec74ee1a04362936ac80cab [2022-11-20 10:31:13,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:31:13,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:31:13,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:13,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:31:13,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:31:13,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:13" (1/1) ... [2022-11-20 10:31:13,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16880574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:13, skipping insertion in model container [2022-11-20 10:31:13,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:13" (1/1) ... [2022-11-20 10:31:13,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:31:13,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:31:14,002 WARN L237 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_62b83b5e-5163-4ee8-8a04-38ad2c76e857/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2022-11-20 10:31:14,011 WARN L237 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_62b83b5e-5163-4ee8-8a04-38ad2c76e857/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2022-11-20 10:31:15,094 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:15,099 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:15,104 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:15,106 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:15,110 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:15,136 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:15,137 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:15,139 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:15,140 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:15,518 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 10:31:15,519 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 10:31:15,526 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 10:31:15,528 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 10:31:15,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 10:31:15,535 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 10:31:15,536 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 10:31:15,540 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 10:31:15,541 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 10:31:15,544 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 10:31:15,729 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 10:31:15,853 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:15,854 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:15,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:16,040 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:31:16,070 WARN L237 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_62b83b5e-5163-4ee8-8a04-38ad2c76e857/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2022-11-20 10:31:16,071 WARN L237 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_62b83b5e-5163-4ee8-8a04-38ad2c76e857/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2022-11-20 10:31:16,125 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:16,126 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:16,127 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:16,129 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:16,129 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:16,142 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:16,142 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:16,144 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:16,148 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:16,207 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 10:31:16,209 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 10:31:16,209 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 10:31:16,210 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 10:31:16,211 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 10:31:16,213 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 10:31:16,213 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 10:31:16,214 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 10:31:16,214 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 10:31:16,215 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 10:31:16,254 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 10:31:16,399 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:16,399 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:31:16,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:16,762 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:31:16,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16 WrapperNode [2022-11-20 10:31:16,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:16,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:16,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:31:16,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:31:16,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (1/1) ... [2022-11-20 10:31:16,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (1/1) ... [2022-11-20 10:31:17,017 INFO L138 Inliner]: procedures = 690, calls = 2599, calls flagged for inlining = 56, calls inlined = 3, statements flattened = 727 [2022-11-20 10:31:17,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:17,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:31:17,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:31:17,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:31:17,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (1/1) ... [2022-11-20 10:31:17,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (1/1) ... [2022-11-20 10:31:17,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (1/1) ... [2022-11-20 10:31:17,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (1/1) ... [2022-11-20 10:31:17,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (1/1) ... [2022-11-20 10:31:17,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (1/1) ... [2022-11-20 10:31:17,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (1/1) ... [2022-11-20 10:31:17,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (1/1) ... [2022-11-20 10:31:17,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:31:17,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:31:17,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:31:17,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:31:17,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (1/1) ... [2022-11-20 10:31:17,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:17,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:17,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:31:17,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:31:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-20 10:31:17,200 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-20 10:31:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:31:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 10:31:17,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 10:31:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:31:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:31:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:31:17,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:31:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2022-11-20 10:31:17,201 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2022-11-20 10:31:17,201 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 10:31:17,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 10:31:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-20 10:31:17,202 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-20 10:31:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 10:31:17,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 10:31:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:31:17,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:31:17,565 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:31:17,568 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:31:19,189 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:31:19,202 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:31:19,202 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:31:19,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:19 BoogieIcfgContainer [2022-11-20 10:31:19,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:31:19,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:31:19,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:31:19,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:31:19,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:31:13" (1/3) ... [2022-11-20 10:31:19,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6883de98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:19, skipping insertion in model container [2022-11-20 10:31:19,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:16" (2/3) ... [2022-11-20 10:31:19,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6883de98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:19, skipping insertion in model container [2022-11-20 10:31:19,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:19" (3/3) ... [2022-11-20 10:31:19,220 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2022-11-20 10:31:19,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:31:19,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:31:19,319 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:31:19,328 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;@358b418d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:31:19,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:31:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 29 states have (on average 1.206896551724138) internal successors, (35), 30 states have internal predecessors, (35), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 10:31:19,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 10:31:19,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:19,349 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:19,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:19,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:19,358 INFO L85 PathProgramCache]: Analyzing trace with hash -829025532, now seen corresponding path program 1 times [2022-11-20 10:31:19,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:19,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531614722] [2022-11-20 10:31:19,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:19,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:20,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:31:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:31:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:20,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:31:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:20,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:31:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 10:31:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:20,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:31:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 10:31:20,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:20,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531614722] [2022-11-20 10:31:20,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531614722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:20,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:20,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:20,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28986671] [2022-11-20 10:31:20,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:20,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:20,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:20,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:20,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:20,378 INFO L87 Difference]: Start difference. First operand has 46 states, 29 states have (on average 1.206896551724138) internal successors, (35), 30 states have internal predecessors, (35), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 10:31:20,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:20,693 INFO L93 Difference]: Finished difference Result 92 states and 113 transitions. [2022-11-20 10:31:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:20,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2022-11-20 10:31:20,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:20,712 INFO L225 Difference]: With dead ends: 92 [2022-11-20 10:31:20,712 INFO L226 Difference]: Without dead ends: 43 [2022-11-20 10:31:20,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:20,729 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 23 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:20,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 39 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:31:20,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-20 10:31:20,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2022-11-20 10:31:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 10:31:20,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-11-20 10:31:20,789 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 40 [2022-11-20 10:31:20,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:20,790 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-11-20 10:31:20,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 10:31:20,790 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-11-20 10:31:20,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 10:31:20,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:20,795 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:20,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:31:20,796 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:20,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:20,797 INFO L85 PathProgramCache]: Analyzing trace with hash 307003774, now seen corresponding path program 1 times [2022-11-20 10:31:20,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:20,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812765657] [2022-11-20 10:31:20,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:20,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:31:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 10:31:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:31:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 10:31:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:22,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 10:31:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:31:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 10:31:23,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:23,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812765657] [2022-11-20 10:31:23,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812765657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:23,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:23,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 10:31:23,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726724749] [2022-11-20 10:31:23,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:23,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:31:23,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:23,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:31:23,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:31:23,033 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 10:31:23,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:23,462 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2022-11-20 10:31:23,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:31:23,463 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2022-11-20 10:31:23,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:23,464 INFO L225 Difference]: With dead ends: 53 [2022-11-20 10:31:23,465 INFO L226 Difference]: Without dead ends: 44 [2022-11-20 10:31:23,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:31:23,466 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 38 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:23,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 129 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:31:23,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-20 10:31:23,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2022-11-20 10:31:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 10:31:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2022-11-20 10:31:23,484 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 40 [2022-11-20 10:31:23,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:23,486 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-11-20 10:31:23,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 7 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 10:31:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-11-20 10:31:23,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 10:31:23,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:23,492 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:23,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:31:23,493 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:23,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:23,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1264875008, now seen corresponding path program 1 times [2022-11-20 10:31:23,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:23,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917781961] [2022-11-20 10:31:23,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:23,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:23,604 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:31:23,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [687500585] [2022-11-20 10:31:23,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:23,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:31:23,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:23,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:31:23,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:31:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:24,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 2338 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 10:31:24,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:31:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 10:31:24,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:31:24,884 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 10:31:24,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:24,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917781961] [2022-11-20 10:31:24,889 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:31:24,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687500585] [2022-11-20 10:31:24,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687500585] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:31:24,890 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:31:24,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-20 10:31:24,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419872814] [2022-11-20 10:31:24,891 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:31:24,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 10:31:24,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:24,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 10:31:24,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:31:24,896 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:31:25,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:25,017 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-11-20 10:31:25,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:31:25,018 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 41 [2022-11-20 10:31:25,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:25,019 INFO L225 Difference]: With dead ends: 41 [2022-11-20 10:31:25,019 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:31:25,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:31:25,021 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 5 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:25,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 227 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:31:25,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:31:25,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:31:25,023 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) [2022-11-20 10:31:25,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:31:25,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2022-11-20 10:31:25,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:25,024 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:31:25,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:31:25,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:31:25,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:31:25,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:31:25,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:31:25,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:31:25,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:31:25,356 INFO L895 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-20 10:31:25,356 INFO L899 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2022-11-20 10:31:25,357 INFO L895 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-20 10:31:25,357 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2022-11-20 10:31:25,357 INFO L899 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2022-11-20 10:31:25,357 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2022-11-20 10:31:25,357 INFO L895 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-20 10:31:25,358 INFO L899 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2022-11-20 10:31:25,358 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-20 10:31:25,358 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2022-11-20 10:31:25,358 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-11-20 10:31:25,358 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-11-20 10:31:25,359 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-20 10:31:25,359 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-20 10:31:25,359 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-20 10:31:25,359 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-20 10:31:25,359 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:31:25,360 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:31:25,360 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:31:25,360 INFO L902 garLoopResultBuilder]: At program point L8962-1(line 8962) the Hoare annotation is: true [2022-11-20 10:31:25,360 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:31:25,360 INFO L902 garLoopResultBuilder]: At program point L8972(line 8972) the Hoare annotation is: true [2022-11-20 10:31:25,361 INFO L895 garLoopResultBuilder]: At program point L8970(line 8970) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0)) (= (mod |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616) 0)) [2022-11-20 10:31:25,361 INFO L902 garLoopResultBuilder]: At program point L8964(line 8964) the Hoare annotation is: true [2022-11-20 10:31:25,361 INFO L899 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2022-11-20 10:31:25,361 INFO L895 garLoopResultBuilder]: At program point L8964-1(line 8964) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0)) (= (mod |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616) 0)) [2022-11-20 10:31:25,362 INFO L902 garLoopResultBuilder]: At program point L8962(line 8962) the Hoare annotation is: true [2022-11-20 10:31:25,362 INFO L899 garLoopResultBuilder]: For program point L8970-1(lines 8959 8971) no Hoare annotation was computed. [2022-11-20 10:31:25,362 INFO L899 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2022-11-20 10:31:25,362 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-20 10:31:25,362 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-20 10:31:25,363 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-20 10:31:25,363 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-20 10:31:25,363 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-20 10:31:25,363 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-20 10:31:25,363 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-20 10:31:25,364 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-20 10:31:25,364 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-20 10:31:25,364 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-20 10:31:25,364 INFO L899 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseFINAL(lines 7794 7814) no Hoare annotation was computed. [2022-11-20 10:31:25,364 INFO L895 garLoopResultBuilder]: At program point L7804-2(lines 7804 7812) the Hoare annotation is: (or (= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (not (= (* 18446744073709551616 (div aws_hash_array_ignore_case_~len 18446744073709551616)) aws_hash_array_ignore_case_~len))) [2022-11-20 10:31:25,365 INFO L899 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseEXIT(lines 7794 7814) no Hoare annotation was computed. [2022-11-20 10:31:25,365 INFO L902 garLoopResultBuilder]: At program point aws_hash_array_ignore_caseENTRY(lines 7794 7814) the Hoare annotation is: true [2022-11-20 10:31:25,365 INFO L899 garLoopResultBuilder]: For program point L7804-3(lines 7804 7812) no Hoare annotation was computed. [2022-11-20 10:31:25,365 INFO L899 garLoopResultBuilder]: For program point L7795-1(line 7795) no Hoare annotation was computed. [2022-11-20 10:31:25,365 INFO L895 garLoopResultBuilder]: At program point L7795(line 7795) the Hoare annotation is: (or (= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (not (= (* 18446744073709551616 (div aws_hash_array_ignore_case_~len 18446744073709551616)) aws_hash_array_ignore_case_~len))) [2022-11-20 10:31:25,369 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 10:31:25,372 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:31:25,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:31:25 BoogieIcfgContainer [2022-11-20 10:31:25,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:31:25,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:31:25,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:31:25,390 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:31:25,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:19" (3/4) ... [2022-11-20 10:31:25,395 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:31:25,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-11-20 10:31:25,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-20 10:31:25,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-20 10:31:25,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 10:31:25,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-20 10:31:25,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_array_ignore_case [2022-11-20 10:31:25,415 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2022-11-20 10:31:25,416 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-11-20 10:31:25,417 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 10:31:25,418 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 10:31:25,419 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 10:31:25,420 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 10:31:25,421 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:31:25,422 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:31:25,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(len) == len || !(18446744073709551616 * (len / 18446744073709551616) == len) [2022-11-20 10:31:26,781 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:31:26,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:31:26,782 INFO L158 Benchmark]: Toolchain (without parser) took 13260.43ms. Allocated memory was 121.6MB in the beginning and 232.8MB in the end (delta: 111.1MB). Free memory was 79.9MB in the beginning and 105.3MB in the end (delta: -25.3MB). Peak memory consumption was 169.1MB. Max. memory is 16.1GB. [2022-11-20 10:31:26,782 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:31:26,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3238.78ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 79.9MB in the beginning and 82.0MB in the end (delta: -2.1MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2022-11-20 10:31:26,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 252.86ms. Allocated memory is still 159.4MB. Free memory was 82.0MB in the beginning and 71.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:31:26,784 INFO L158 Benchmark]: Boogie Preprocessor took 95.37ms. Allocated memory is still 159.4MB. Free memory was 71.5MB in the beginning and 65.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 10:31:26,784 INFO L158 Benchmark]: RCFGBuilder took 2090.41ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 65.2MB in the beginning and 74.8MB in the end (delta: -9.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2022-11-20 10:31:26,784 INFO L158 Benchmark]: TraceAbstraction took 6180.99ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 74.8MB in the beginning and 108.0MB in the end (delta: -33.2MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-11-20 10:31:26,785 INFO L158 Benchmark]: Witness Printer took 1391.45ms. Allocated memory is still 232.8MB. Free memory was 108.0MB in the beginning and 105.3MB in the end (delta: 2.8MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2022-11-20 10:31:26,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3238.78ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 79.9MB in the beginning and 82.0MB in the end (delta: -2.1MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 252.86ms. Allocated memory is still 159.4MB. Free memory was 82.0MB in the beginning and 71.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.37ms. Allocated memory is still 159.4MB. Free memory was 71.5MB in the beginning and 65.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2090.41ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 65.2MB in the beginning and 74.8MB in the end (delta: -9.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6180.99ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 74.8MB in the beginning and 108.0MB in the end (delta: -33.2MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 1391.45ms. Allocated memory is still 232.8MB. Free memory was 108.0MB in the beginning and 105.3MB in the end (delta: 2.8MB). Peak memory consumption was 85.6MB. 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 7 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 395 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 306 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 89 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 34 PreInvPairs, 42 NumberOfFragments, 95 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 56 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2338 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 44/50 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: 8972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7804]: Loop Invariant Derived loop invariant: \old(len) == len || !(18446744073709551616 * (len / 18446744073709551616) == len) RESULT: Ultimate proved your program to be correct! [2022-11-20 10:31:26,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b83b5e-5163-4ee8-8a04-38ad2c76e857/bin/uautomizer-ug76WZFUDN/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