./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- 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 [2022-11-19 08:09:51,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:09:51,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:09:51,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:09:51,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:09:51,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:09:51,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:09:51,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:09:51,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:09:51,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:09:51,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:09:51,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:09:51,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:09:51,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:09:51,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:09:51,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:09:51,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:09:51,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:09:51,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:09:51,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:09:51,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:09:51,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:09:51,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:09:51,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:09:51,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:09:51,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:09:51,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:09:51,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:09:51,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:09:51,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:09:51,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:09:51,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:09:51,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:09:51,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:09:51,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:09:51,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:09:51,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:09:51,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:09:51,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:09:51,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:09:51,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:09:51,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:09:51,997 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:09:52,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:09:52,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:09:52,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:09:52,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:09:52,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:09:52,003 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:09:52,003 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:09:52,004 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:09:52,004 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:09:52,005 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:09:52,005 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:09:52,006 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:09:52,006 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:09:52,006 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:09:52,006 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:09:52,007 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:09:52,007 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:09:52,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:09:52,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:09:52,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:09:52,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:09:52,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:09:52,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:09:52,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:09:52,010 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:09:52,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:09:52,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:09:52,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:09:52,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:09:52,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:09:52,012 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:09:52,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:09:52,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:09:52,013 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:09:52,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:09:52,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:09:52,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:09:52,014 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_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2022-11-19 08:09:52,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:09:52,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:09:52,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:09:52,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:09:52,346 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:09:52,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2022-11-19 08:09:52,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/data/721b0ab68/aac76a9d4c4b4deaa681535b228b0cb9/FLAGdb33d09a5 [2022-11-19 08:09:53,356 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:09:53,359 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2022-11-19 08:09:53,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/data/721b0ab68/aac76a9d4c4b4deaa681535b228b0cb9/FLAGdb33d09a5 [2022-11-19 08:09:53,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/data/721b0ab68/aac76a9d4c4b4deaa681535b228b0cb9 [2022-11-19 08:09:53,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:09:53,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:09:53,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:09:53,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:09:53,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:09:53,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:09:53" (1/1) ... [2022-11-19 08:09:53,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f064a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:53, skipping insertion in model container [2022-11-19 08:09:53,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:09:53" (1/1) ... [2022-11-19 08:09:53,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:09:53,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:09:53,853 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_e878878b-4d1c-4df7-908a-1d12eab7c370/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2022-11-19 08:09:53,860 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_e878878b-4d1c-4df7-908a-1d12eab7c370/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2022-11-19 08:09:54,940 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,941 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,942 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,943 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,944 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,958 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,959 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,961 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,962 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,965 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,966 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,967 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:54,967 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 08:09:55,366 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 08:09:55,367 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 08:09:55,368 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 08:09:55,369 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 08:09:55,370 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 08:09:55,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 08:09:55,372 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 08:09:55,372 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 08:09:55,388 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 08:09:55,545 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 08:09:55,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:09:55,582 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:09:55,612 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_e878878b-4d1c-4df7-908a-1d12eab7c370/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2022-11-19 08:09:55,613 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_e878878b-4d1c-4df7-908a-1d12eab7c370/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2022-11-19 08:09:55,723 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,724 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,724 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,725 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,726 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,748 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,749 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,751 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,751 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,752 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,753 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,754 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,755 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:09:55,815 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 08:09:55,827 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 08:09:55,828 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 08:09:55,829 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 08:09:55,831 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 08:09:55,832 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 08:09:55,833 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 08:09:55,833 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 08:09:55,834 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 08:09:55,834 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 08:09:55,864 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 08:09:55,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:09:56,086 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:09:56,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56 WrapperNode [2022-11-19 08:09:56,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:09:56,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:09:56,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:09:56,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:09:56,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (1/1) ... [2022-11-19 08:09:56,183 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (1/1) ... [2022-11-19 08:09:56,213 INFO L138 Inliner]: procedures = 679, calls = 972, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 59 [2022-11-19 08:09:56,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:09:56,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:09:56,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:09:56,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:09:56,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (1/1) ... [2022-11-19 08:09:56,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (1/1) ... [2022-11-19 08:09:56,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (1/1) ... [2022-11-19 08:09:56,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (1/1) ... [2022-11-19 08:09:56,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (1/1) ... [2022-11-19 08:09:56,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (1/1) ... [2022-11-19 08:09:56,253 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (1/1) ... [2022-11-19 08:09:56,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (1/1) ... [2022-11-19 08:09:56,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:09:56,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:09:56,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:09:56,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:09:56,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (1/1) ... [2022-11-19 08:09:56,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:09:56,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:09:56,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:09:56,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:09:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-19 08:09:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-19 08:09:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 08:09:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 08:09:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:09:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:09:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:09:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:09:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:09:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:09:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:09:56,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:09:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 08:09:56,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 08:09:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-11-19 08:09:56,365 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-11-19 08:09:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:09:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:09:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:09:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 08:09:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 08:09:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-19 08:09:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-19 08:09:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:09:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:09:56,696 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:09:56,698 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:09:56,946 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:09:57,054 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:09:57,054 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:09:57,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:09:57 BoogieIcfgContainer [2022-11-19 08:09:57,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:09:57,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:09:57,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:09:57,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:09:57,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:09:53" (1/3) ... [2022-11-19 08:09:57,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0235c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:09:57, skipping insertion in model container [2022-11-19 08:09:57,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:09:56" (2/3) ... [2022-11-19 08:09:57,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0235c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:09:57, skipping insertion in model container [2022-11-19 08:09:57,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:09:57" (3/3) ... [2022-11-19 08:09:57,067 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2022-11-19 08:09:57,087 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:09:57,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:09:57,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:09:57,166 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=FINITE_AUTOMATA, 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;@38635a88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:09:57,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:09:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 08:09:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-19 08:09:57,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:09:57,181 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:09:57,182 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:09:57,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:09:57,188 INFO L85 PathProgramCache]: Analyzing trace with hash 2083815866, now seen corresponding path program 1 times [2022-11-19 08:09:57,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:09:57,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971934768] [2022-11-19 08:09:57,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:09:57,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:09:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:09:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 08:09:58,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:09:58,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971934768] [2022-11-19 08:09:58,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971934768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:09:58,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:09:58,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-19 08:09:58,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180655902] [2022-11-19 08:09:58,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:09:58,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:09:58,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:09:58,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:09:58,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:09:58,636 INFO L87 Difference]: Start difference. First operand has 44 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 11 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-19 08:09:58,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:09:58,983 INFO L93 Difference]: Finished difference Result 61 states and 68 transitions. [2022-11-19 08:09:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 08:09:58,986 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 36 [2022-11-19 08:09:58,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:09:58,994 INFO L225 Difference]: With dead ends: 61 [2022-11-19 08:09:58,994 INFO L226 Difference]: Without dead ends: 44 [2022-11-19 08:09:58,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-11-19 08:09:59,001 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 13 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:09:59,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 269 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:09:59,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-19 08:09:59,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-19 08:09:59,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 08:09:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2022-11-19 08:09:59,047 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 36 [2022-11-19 08:09:59,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:09:59,049 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2022-11-19 08:09:59,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-19 08:09:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-11-19 08:09:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 08:09:59,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:09:59,052 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:09:59,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:09:59,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:09:59,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:09:59,053 INFO L85 PathProgramCache]: Analyzing trace with hash 819022557, now seen corresponding path program 1 times [2022-11-19 08:09:59,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:09:59,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180046136] [2022-11-19 08:09:59,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:09:59,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:09:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:10:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 08:10:00,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:10:00,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180046136] [2022-11-19 08:10:00,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180046136] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:10:00,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109810696] [2022-11-19 08:10:00,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:10:00,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:10:00,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:10:00,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:10:00,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:10:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:10:00,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 91 conjunts are in the unsatisfiable core [2022-11-19 08:10:00,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:10:00,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:10:04,289 INFO L321 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2022-11-19 08:10:04,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 187 treesize of output 171 [2022-11-19 08:10:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 08:10:04,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:10:11,504 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 08:10:11,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109810696] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:10:11,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [187496868] [2022-11-19 08:10:11,538 INFO L159 IcfgInterpreter]: Started Sifa with 38 locations of interest [2022-11-19 08:10:11,541 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:10:11,546 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:10:11,552 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:10:11,553 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:10:11,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:10:11,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:10:11,912 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 86 for LOIs [2022-11-19 08:10:11,918 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 104 for LOIs [2022-11-19 08:10:12,018 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 130 for LOIs [2022-11-19 08:10:12,071 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:10:14,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [187496868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:10:14,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 08:10:14,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 21, 15] total 48 [2022-11-19 08:10:14,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918092157] [2022-11-19 08:10:14,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:10:14,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 08:10:14,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:10:14,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 08:10:14,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=2100, Unknown=0, NotChecked=0, Total=2256 [2022-11-19 08:10:14,900 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 10 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2022-11-19 08:10:15,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:10:15,031 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2022-11-19 08:10:15,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 08:10:15,032 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 45 [2022-11-19 08:10:15,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:10:15,033 INFO L225 Difference]: With dead ends: 46 [2022-11-19 08:10:15,033 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:10:15,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 94 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=156, Invalid=2100, Unknown=0, NotChecked=0, Total=2256 [2022-11-19 08:10:15,041 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:10:15,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 9 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 18 Unchecked, 0.1s Time] [2022-11-19 08:10:15,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:10:15,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:10:15,045 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) [2022-11-19 08:10:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:10:15,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2022-11-19 08:10:15,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:10:15,049 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:10:15,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2022-11-19 08:10:15,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:10:15,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:10:15,052 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:10:15,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:10:15,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:10:15,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:10:16,261 INFO L899 garLoopResultBuilder]: For program point L6927-1(lines 6927 6929) no Hoare annotation was computed. [2022-11-19 08:10:16,262 INFO L895 garLoopResultBuilder]: At program point L6927(lines 6927 6929) the Hoare annotation is: (let ((.cse3 (select |#memory_int| 1)) (.cse4 (+ |~#s_can_fail_allocator_static~0.offset| 8)) (.cse5 (+ |~#s_can_fail_allocator_static~0.offset| 24)) (.cse0 (select |#memory_$Pointer$.base| |~#s_can_fail_allocator_static~0.base|)) (.cse1 (+ |~#s_can_fail_allocator_static~0.offset| 16)) (.cse2 (select |#memory_$Pointer$.offset| |~#s_can_fail_allocator_static~0.base|)) (.cse6 (+ |~#s_can_fail_allocator_static~0.offset| 32))) (or (not (= (select |old(#valid)| 2) 1)) (not (= |#funAddr~s_can_fail_realloc_allocator.base| (select .cse0 .cse1))) (not (= |#funAddr~s_can_fail_malloc_allocator.offset| (select .cse2 |~#s_can_fail_allocator_static~0.offset|))) (not (= (select |old(#valid)| 1) 1)) (not (= (select .cse3 0) 48)) (not (= |#NULL.offset| 0)) (not (= |~#s_can_fail_allocator_static~0.base| 4)) (not (< 0 |#StackHeapBarrier|)) (not (= (select .cse3 1) 0)) (not (= (select .cse0 .cse4) |#funAddr~s_can_fail_free_allocator.base|)) (not (= (select .cse2 .cse4) |#funAddr~s_can_fail_free_allocator.offset|)) (not (= (select |old(#valid)| 3) 1)) (= (mod (ite (= (ite (< (mod (+ |bounded_malloc_#in~size| 1234550) 18446744073709551616) 1234549) 1 0) 0) 0 1) 256) 0) (not (= |#funAddr~s_can_fail_calloc_allocator.base| (select .cse0 .cse5))) (not (= (select .cse0 .cse6) 0)) (not (= |#NULL.base| 0)) (not (= (select |old(#valid)| 4) 1)) (not (= (select |old(#length)| 3) 12)) (not (= (select |old(#length)| 1) 2)) (not (= (select |old(#length)| 2) 27)) (not (= |#funAddr~s_can_fail_calloc_allocator.offset| (select .cse2 .cse5))) (not (= (select |old(#length)| 4) 40)) (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= (select |old(#valid)| 0) 0)) (not (= |#funAddr~s_can_fail_malloc_allocator.base| (select .cse0 |~#s_can_fail_allocator_static~0.offset|))) (not (= |#funAddr~s_can_fail_realloc_allocator.offset| (select .cse2 .cse1))) (not (= |~#s_can_fail_allocator_static~0.offset| 0)) (not (= 0 (select .cse2 .cse6))))) [2022-11-19 08:10:16,262 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6926 6931) the Hoare annotation is: (let ((.cse3 (select |#memory_int| 1)) (.cse4 (+ |~#s_can_fail_allocator_static~0.offset| 8)) (.cse5 (+ |~#s_can_fail_allocator_static~0.offset| 24)) (.cse0 (select |#memory_$Pointer$.base| |~#s_can_fail_allocator_static~0.base|)) (.cse1 (+ |~#s_can_fail_allocator_static~0.offset| 16)) (.cse2 (select |#memory_$Pointer$.offset| |~#s_can_fail_allocator_static~0.base|)) (.cse6 (+ |~#s_can_fail_allocator_static~0.offset| 32))) (or (not (= (select |old(#valid)| 2) 1)) (not (= |#funAddr~s_can_fail_realloc_allocator.base| (select .cse0 .cse1))) (not (= |#funAddr~s_can_fail_malloc_allocator.offset| (select .cse2 |~#s_can_fail_allocator_static~0.offset|))) (not (= (select |old(#valid)| 1) 1)) (not (= (select .cse3 0) 48)) (not (= |#NULL.offset| 0)) (not (= |~#s_can_fail_allocator_static~0.base| 4)) (not (< 0 |#StackHeapBarrier|)) (not (= (select .cse3 1) 0)) (not (= (select .cse0 .cse4) |#funAddr~s_can_fail_free_allocator.base|)) (not (= (select .cse2 .cse4) |#funAddr~s_can_fail_free_allocator.offset|)) (not (= (select |old(#valid)| 3) 1)) (= (mod (ite (= (ite (< (mod (+ |bounded_malloc_#in~size| 1234550) 18446744073709551616) 1234549) 1 0) 0) 0 1) 256) 0) (not (= |#funAddr~s_can_fail_calloc_allocator.base| (select .cse0 .cse5))) (not (= (select .cse0 .cse6) 0)) (not (= |#NULL.base| 0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= (select |old(#valid)| 4) 1)) (not (= (select |old(#length)| 3) 12)) (not (= (select |old(#length)| 1) 2)) (not (= (select |old(#length)| 2) 27)) (not (= |#funAddr~s_can_fail_calloc_allocator.offset| (select .cse2 .cse5))) (not (= (select |old(#length)| 4) 40)) (not (= (select |old(#valid)| 0) 0)) (not (= |#funAddr~s_can_fail_malloc_allocator.base| (select .cse0 |~#s_can_fail_allocator_static~0.offset|))) (not (= |#funAddr~s_can_fail_realloc_allocator.offset| (select .cse2 .cse1))) (not (= |~#s_can_fail_allocator_static~0.offset| 0)) (not (= 0 (select .cse2 .cse6))))) [2022-11-19 08:10:16,263 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6926 6931) no Hoare annotation was computed. [2022-11-19 08:10:16,263 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-19 08:10:16,263 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-19 08:10:16,263 INFO L902 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6292 6296) the Hoare annotation is: true [2022-11-19 08:10:16,269 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6292 6296) no Hoare annotation was computed. [2022-11-19 08:10:16,269 INFO L902 garLoopResultBuilder]: At program point L6294(line 6294) the Hoare annotation is: true [2022-11-19 08:10:16,269 INFO L902 garLoopResultBuilder]: At program point L6294-1(line 6294) the Hoare annotation is: true [2022-11-19 08:10:16,270 INFO L899 garLoopResultBuilder]: For program point L6294-2(line 6294) no Hoare annotation was computed. [2022-11-19 08:10:16,270 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-19 08:10:16,270 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-19 08:10:16,270 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6933 6935) no Hoare annotation was computed. [2022-11-19 08:10:16,271 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6933 6935) the Hoare annotation is: true [2022-11-19 08:10:16,271 INFO L902 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6302 6307) the Hoare annotation is: true [2022-11-19 08:10:16,271 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6302 6307) no Hoare annotation was computed. [2022-11-19 08:10:16,271 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-19 08:10:16,272 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-19 08:10:16,273 INFO L895 garLoopResultBuilder]: At program point L6846(line 6846) the Hoare annotation is: (let ((.cse2 (+ |~#s_can_fail_allocator_static~0.offset| 32)) (.cse1 (+ |~#s_can_fail_allocator_static~0.offset| 16)) (.cse5 (+ |~#s_can_fail_allocator_static~0.offset| 24)) (.cse3 (select |#memory_$Pointer$.base| |~#s_can_fail_allocator_static~0.base|)) (.cse4 (+ |~#s_can_fail_allocator_static~0.offset| 8)) (.cse0 (select |#memory_$Pointer$.offset| |~#s_can_fail_allocator_static~0.base|)) (.cse6 (select |#memory_int| 1))) (and (= |#funAddr~s_can_fail_realloc_allocator.offset| (select .cse0 .cse1)) (= (select |#length| 3) 12) (= 0 (select .cse0 .cse2)) (= |~#s_can_fail_allocator_static~0.base| 4) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#in~max_size#1| 1234549) (= |~#s_can_fail_allocator_static~0.offset| 0) (= |#funAddr~s_can_fail_malloc_allocator.base| (select .cse3 |~#s_can_fail_allocator_static~0.offset|)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select .cse0 .cse4) |#funAddr~s_can_fail_free_allocator.offset|) (= (select .cse3 .cse2) 0) (= (select |#valid| 4) 1) (= |#funAddr~s_can_fail_calloc_allocator.base| (select .cse3 .cse5)) (= (select |#valid| 1) 1) (= |#funAddr~s_can_fail_realloc_allocator.base| (select .cse3 .cse1)) (= |#funAddr~s_can_fail_calloc_allocator.offset| (select .cse0 .cse5)) (= (select |#valid| 0) 0) (= (select .cse3 .cse4) |#funAddr~s_can_fail_free_allocator.base|) (= |#funAddr~s_can_fail_malloc_allocator.offset| (select .cse0 |~#s_can_fail_allocator_static~0.offset|)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse6 0) 48) (= 40 (select |#length| 4)) (= 27 (select |#length| 2)) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#in~max_size#1| |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|) (= (select .cse6 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 08:10:16,278 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:10:16,278 INFO L895 garLoopResultBuilder]: At program point L6854-5(lines 6854 6855) the Hoare annotation is: false [2022-11-19 08:10:16,278 INFO L899 garLoopResultBuilder]: For program point L7261-2(line 7261) no Hoare annotation was computed. [2022-11-19 08:10:16,278 INFO L895 garLoopResultBuilder]: At program point L7261-1(line 7261) the Hoare annotation is: false [2022-11-19 08:10:16,279 INFO L899 garLoopResultBuilder]: For program point L6846-1(line 6846) no Hoare annotation was computed. [2022-11-19 08:10:16,279 INFO L895 garLoopResultBuilder]: At program point L7261(line 7261) the Hoare annotation is: false [2022-11-19 08:10:16,279 INFO L899 garLoopResultBuilder]: For program point L6851-1(line 6851) no Hoare annotation was computed. [2022-11-19 08:10:16,279 INFO L895 garLoopResultBuilder]: At program point L6851(line 6851) the Hoare annotation is: (let ((.cse2 (+ |~#s_can_fail_allocator_static~0.offset| 32)) (.cse1 (+ |~#s_can_fail_allocator_static~0.offset| 16)) (.cse5 (+ |~#s_can_fail_allocator_static~0.offset| 24)) (.cse3 (select |#memory_$Pointer$.base| |~#s_can_fail_allocator_static~0.base|)) (.cse4 (+ |~#s_can_fail_allocator_static~0.offset| 8)) (.cse0 (select |#memory_$Pointer$.offset| |~#s_can_fail_allocator_static~0.base|)) (.cse6 (select |#memory_int| 1))) (and (= |#funAddr~s_can_fail_realloc_allocator.offset| (select .cse0 .cse1)) (= (select |#length| 3) 12) (= 0 (select .cse0 .cse2)) (= |~#s_can_fail_allocator_static~0.base| 4) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#in~max_size#1| 1234549) (= |~#s_can_fail_allocator_static~0.offset| 0) (= |#funAddr~s_can_fail_malloc_allocator.base| (select .cse3 |~#s_can_fail_allocator_static~0.offset|)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select .cse0 .cse4) |#funAddr~s_can_fail_free_allocator.offset|) (= (select .cse3 .cse2) 0) (not (= (mod (ite (= (ite (< (mod |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) (mod |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073709551616)) 1 0) 0) 0 1) 256) 0)) (= (select |#valid| 4) 1) (= |#funAddr~s_can_fail_calloc_allocator.base| (select .cse3 .cse5)) (= (select |#valid| 1) 1) (= |#funAddr~s_can_fail_realloc_allocator.base| (select .cse3 .cse1)) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| |ULTIMATE.start_ensure_string_is_allocated_#in~len#1|) (= |#funAddr~s_can_fail_calloc_allocator.offset| (select .cse0 .cse5)) (= (select |#valid| 0) 0) (= (select .cse3 .cse4) |#funAddr~s_can_fail_free_allocator.base|) (= |#funAddr~s_can_fail_malloc_allocator.offset| (select .cse0 |~#s_can_fail_allocator_static~0.offset|)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse6 0) 48) (= 40 (select |#length| 4)) (= 27 (select |#length| 2)) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#in~max_size#1| |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|) (= (select .cse6 1) 0) (= |ULTIMATE.start_ensure_string_is_allocated_~len#1| |ULTIMATE.start_ensure_string_is_allocated_#in~len#1|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 08:10:16,280 INFO L895 garLoopResultBuilder]: At program point L7262(line 7262) the Hoare annotation is: false [2022-11-19 08:10:16,282 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 08:10:16,282 INFO L899 garLoopResultBuilder]: For program point L6845-1(line 6845) no Hoare annotation was computed. [2022-11-19 08:10:16,282 INFO L895 garLoopResultBuilder]: At program point L7262-2(line 7262) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.offset| 0) (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.offset| 0)) [2022-11-19 08:10:16,283 INFO L895 garLoopResultBuilder]: At program point L6845(line 6845) the Hoare annotation is: (let ((.cse2 (+ |~#s_can_fail_allocator_static~0.offset| 32)) (.cse1 (+ |~#s_can_fail_allocator_static~0.offset| 16)) (.cse5 (+ |~#s_can_fail_allocator_static~0.offset| 24)) (.cse3 (select |#memory_$Pointer$.base| |~#s_can_fail_allocator_static~0.base|)) (.cse4 (+ |~#s_can_fail_allocator_static~0.offset| 8)) (.cse0 (select |#memory_$Pointer$.offset| |~#s_can_fail_allocator_static~0.base|)) (.cse6 (select |#memory_int| 1))) (and (= |#funAddr~s_can_fail_realloc_allocator.offset| (select .cse0 .cse1)) (= (select |#length| 3) 12) (= 0 (select .cse0 .cse2)) (= |~#s_can_fail_allocator_static~0.base| 4) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#in~max_size#1| 1234549) (= |~#s_can_fail_allocator_static~0.offset| 0) (= |#funAddr~s_can_fail_malloc_allocator.base| (select .cse3 |~#s_can_fail_allocator_static~0.offset|)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select .cse0 .cse4) |#funAddr~s_can_fail_free_allocator.offset|) (= (select .cse3 .cse2) 0) (= (select |#valid| 4) 1) (= |#funAddr~s_can_fail_calloc_allocator.base| (select .cse3 .cse5)) (= (select |#valid| 1) 1) (= |#funAddr~s_can_fail_realloc_allocator.base| (select .cse3 .cse1)) (= |#funAddr~s_can_fail_calloc_allocator.offset| (select .cse0 .cse5)) (= (select |#valid| 0) 0) (= (select .cse3 .cse4) |#funAddr~s_can_fail_free_allocator.base|) (= |#funAddr~s_can_fail_malloc_allocator.offset| (select .cse0 |~#s_can_fail_allocator_static~0.offset|)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse6 0) 48) (= 40 (select |#length| 4)) (= 27 (select |#length| 2)) (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#in~max_size#1| |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|) (= (select .cse6 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 08:10:16,283 INFO L895 garLoopResultBuilder]: At program point L7262-1(line 7262) the Hoare annotation is: false [2022-11-19 08:10:16,283 INFO L895 garLoopResultBuilder]: At program point L6854(line 6854) the Hoare annotation is: false [2022-11-19 08:10:16,283 INFO L899 garLoopResultBuilder]: For program point L6854-3(line 6854) no Hoare annotation was computed. [2022-11-19 08:10:16,284 INFO L895 garLoopResultBuilder]: At program point L6854-2(line 6854) the Hoare annotation is: false [2022-11-19 08:10:16,284 INFO L899 garLoopResultBuilder]: For program point L6854-1(lines 6854 6855) no Hoare annotation was computed. [2022-11-19 08:10:16,284 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-19 08:10:16,285 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-19 08:10:16,288 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-19 08:10:16,288 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-19 08:10:16,288 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-19 08:10:16,289 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-19 08:10:16,292 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-19 08:10:16,294 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:10:16,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:10:16 BoogieIcfgContainer [2022-11-19 08:10:16,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:10:16,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:10:16,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:10:16,316 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:10:16,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:09:57" (3/4) ... [2022-11-19 08:10:16,320 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:10:16,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-19 08:10:16,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-19 08:10:16,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-19 08:10:16,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2022-11-19 08:10:16,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-19 08:10:16,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-19 08:10:16,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-19 08:10:16,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-11-19 08:10:16,334 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-11-19 08:10:16,335 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-19 08:10:16,335 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 08:10:16,336 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:10:16,390 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:10:16,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:10:16,391 INFO L158 Benchmark]: Toolchain (without parser) took 22961.02ms. Allocated memory was 96.5MB in the beginning and 362.8MB in the end (delta: 266.3MB). Free memory was 57.4MB in the beginning and 200.6MB in the end (delta: -143.2MB). Peak memory consumption was 124.1MB. Max. memory is 16.1GB. [2022-11-19 08:10:16,392 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:10:16,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2660.66ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 57.1MB in the beginning and 82.0MB in the end (delta: -24.9MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2022-11-19 08:10:16,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.50ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 77.2MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:10:16,393 INFO L158 Benchmark]: Boogie Preprocessor took 45.71ms. Allocated memory is still 119.5MB. Free memory was 77.2MB in the beginning and 74.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:10:16,393 INFO L158 Benchmark]: RCFGBuilder took 796.83ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 49.1MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-19 08:10:16,394 INFO L158 Benchmark]: TraceAbstraction took 19254.94ms. Allocated memory was 119.5MB in the beginning and 362.8MB in the end (delta: 243.3MB). Free memory was 48.5MB in the beginning and 203.7MB in the end (delta: -155.3MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2022-11-19 08:10:16,394 INFO L158 Benchmark]: Witness Printer took 74.97ms. Allocated memory is still 362.8MB. Free memory was 203.7MB in the beginning and 200.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:10:16,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2660.66ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 57.1MB in the beginning and 82.0MB in the end (delta: -24.9MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.50ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 77.2MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.71ms. Allocated memory is still 119.5MB. Free memory was 77.2MB in the beginning and 74.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.83ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 49.1MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 19254.94ms. Allocated memory was 119.5MB in the beginning and 362.8MB in the end (delta: 243.3MB). Free memory was 48.5MB in the beginning and 203.7MB in the end (delta: -155.3MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. * Witness Printer took 74.97ms. Allocated memory is still 362.8MB. Free memory was 203.7MB in the beginning and 200.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 9 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.2s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 278 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 18 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 38 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 96 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 28 PreInvPairs, 29 NumberOfFragments, 979 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 1087 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 167 ConstructedInterpolants, 6 QuantifiedInterpolants, 2701 SizeOfPredicates, 30 NumberOfNonLiveVariables, 266 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 30/36 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: OVERALL_TIME: 0.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 17, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME: 0.1s, TOOLS_POST_CALL_APPLICATIONS: 14, TOOLS_POST_CALL_TIME: 0.2s, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME: 0.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 46, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 17, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 395, DAG_COMPRESSION_RETAINED_NODES: 80, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7262]: Loop Invariant Derived loop invariant: str == 0 && str == 0 - InvariantResult [Line: 6854]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-19 08:10:16,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878878b-4d1c-4df7-908a-1d12eab7c370/bin/utaipan-I9t0OCRTmS/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