./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs --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 5c58e2434ae79fdf5f8dceab88ea2b6ad3f1a1a8bb44e2d930eaf759f64b3d29 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:46:46,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:46:46,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:46:46,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:46:46,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:46:46,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:46:46,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:46:46,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:46:46,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:46:46,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:46:46,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:46:46,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:46:46,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:46:46,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:46:46,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:46:46,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:46:46,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:46:46,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:46:46,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:46:46,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:46:46,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:46:46,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:46:46,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:46:46,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:46:46,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:46:46,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:46:46,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:46:46,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:46:46,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:46:46,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:46:46,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:46:46,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:46:46,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:46:46,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:46:46,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:46:46,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:46:46,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:46:46,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:46:46,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:46:46,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:46:46,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:46:46,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 15:46:46,874 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:46:46,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:46:46,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:46:46,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:46:46,877 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:46:46,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:46:46,879 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:46:46,879 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:46:46,879 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:46:46,880 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:46:46,880 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:46:46,881 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:46:46,881 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:46:46,881 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:46:46,882 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:46:46,882 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:46:46,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:46:46,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:46:46,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:46:46,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:46:46,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:46:46,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:46:46,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:46:46,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:46:46,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:46:46,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:46:46,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:46:46,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:46:46,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:46:46,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:46:46,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:46:46,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:46:46,888 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:46:46,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:46:46,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:46:46,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:46:46,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:46:46,890 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c58e2434ae79fdf5f8dceab88ea2b6ad3f1a1a8bb44e2d930eaf759f64b3d29 [2021-11-19 15:46:47,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:46:47,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:46:47,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:46:47,338 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:46:47,338 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:46:47,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i [2021-11-19 15:46:47,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/data/b22a47b95/ba902dc26ecc43adb4a4b6f60a2db51c/FLAG4b3badf33 [2021-11-19 15:46:48,593 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:46:48,595 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i [2021-11-19 15:46:48,659 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/data/b22a47b95/ba902dc26ecc43adb4a4b6f60a2db51c/FLAG4b3badf33 [2021-11-19 15:46:48,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/data/b22a47b95/ba902dc26ecc43adb4a4b6f60a2db51c [2021-11-19 15:46:48,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:46:48,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:46:48,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:46:48,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:46:48,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:46:48,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:46:48" (1/1) ... [2021-11-19 15:46:48,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659f194f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:48, skipping insertion in model container [2021-11-19 15:46:48,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:46:48" (1/1) ... [2021-11-19 15:46:48,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:46:49,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:46:49,591 WARN L230 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_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4499,4512] [2021-11-19 15:46:49,601 WARN L230 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_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4559,4572] [2021-11-19 15:46:49,636 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 15:46:49,646 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 15:46:50,896 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:50,897 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:50,898 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:50,899 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:50,901 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:50,919 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:50,921 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:50,924 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:50,925 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:51,547 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 15:46:51,554 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 15:46:51,556 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 15:46:51,558 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 15:46:51,561 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 15:46:51,568 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 15:46:51,573 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 15:46:51,574 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 15:46:51,575 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 15:46:51,578 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 15:46:51,880 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 15:46:52,094 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:52,094 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:52,150 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:46:52,228 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 15:46:52,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@103233ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:52, skipping insertion in model container [2021-11-19 15:46:52,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:46:52,231 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:46:52,234 INFO L158 Benchmark]: Toolchain (without parser) took 3271.38ms. Allocated memory was 119.5MB in the beginning and 163.6MB in the end (delta: 44.0MB). Free memory was 73.0MB in the beginning and 113.8MB in the end (delta: -40.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-19 15:46:52,235 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 119.5MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:46:52,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3260.97ms. Allocated memory was 119.5MB in the beginning and 163.6MB in the end (delta: 44.0MB). Free memory was 72.8MB in the beginning and 114.7MB in the end (delta: -42.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-19 15:46:52,239 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 119.5MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3260.97ms. Allocated memory was 119.5MB in the beginning and 163.6MB in the end (delta: 44.0MB). Free memory was 72.8MB in the beginning and 114.7MB in the end (delta: -42.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6991]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs --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 5c58e2434ae79fdf5f8dceab88ea2b6ad3f1a1a8bb44e2d930eaf759f64b3d29 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:46:55,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:46:55,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:46:55,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:46:55,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:46:55,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:46:55,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:46:55,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:46:55,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:46:55,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:46:55,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:46:55,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:46:55,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:46:55,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:46:55,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:46:55,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:46:55,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:46:55,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:46:55,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:46:55,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:46:55,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:46:55,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:46:55,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:46:55,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:46:55,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:46:55,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:46:55,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:46:55,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:46:55,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:46:55,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:46:55,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:46:55,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:46:55,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:46:55,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:46:55,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:46:55,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:46:55,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:46:55,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:46:55,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:46:55,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:46:55,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:46:55,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 15:46:55,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:46:55,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:46:55,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:46:55,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:46:55,454 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:46:55,455 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:46:55,455 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:46:55,455 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:46:55,456 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:46:55,456 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:46:55,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:46:55,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:46:55,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:46:55,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:46:55,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:46:55,461 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:46:55,461 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:46:55,461 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:46:55,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:46:55,462 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:46:55,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:46:55,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:46:55,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:46:55,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:46:55,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:46:55,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:46:55,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:46:55,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:46:55,465 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:46:55,465 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:46:55,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:46:55,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:46:55,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:46:55,467 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c58e2434ae79fdf5f8dceab88ea2b6ad3f1a1a8bb44e2d930eaf759f64b3d29 [2021-11-19 15:46:55,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:46:56,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:46:56,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:46:56,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:46:56,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:46:56,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i [2021-11-19 15:46:56,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/data/a3840efad/0c1055ffc65d4698bd08d3fd41868a1e/FLAG73211de19 [2021-11-19 15:46:57,209 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:46:57,210 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i [2021-11-19 15:46:57,253 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/data/a3840efad/0c1055ffc65d4698bd08d3fd41868a1e/FLAG73211de19 [2021-11-19 15:46:57,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/data/a3840efad/0c1055ffc65d4698bd08d3fd41868a1e [2021-11-19 15:46:57,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:46:57,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:46:57,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:46:57,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:46:57,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:46:57,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:46:57" (1/1) ... [2021-11-19 15:46:57,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bcac103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:57, skipping insertion in model container [2021-11-19 15:46:57,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:46:57" (1/1) ... [2021-11-19 15:46:57,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:46:57,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:46:58,146 WARN L230 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_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4499,4512] [2021-11-19 15:46:58,170 WARN L230 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_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4559,4572] [2021-11-19 15:46:58,209 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 15:46:58,219 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 15:46:59,575 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:59,585 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:59,586 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:59,588 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:59,589 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:59,610 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:59,611 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:59,614 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:46:59,615 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:00,297 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 15:47:00,299 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 15:47:00,300 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 15:47:00,302 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 15:47:00,304 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 15:47:00,306 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 15:47:00,307 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 15:47:00,308 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 15:47:00,309 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 15:47:00,310 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 15:47:00,544 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 15:47:00,705 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:00,705 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:00,737 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:47:00,831 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 15:47:00,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:47:00,882 WARN L230 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_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4499,4512] [2021-11-19 15:47:00,883 WARN L230 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_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4559,4572] [2021-11-19 15:47:00,885 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 15:47:00,886 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 15:47:00,964 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:00,965 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:00,965 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:00,966 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:00,967 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:00,978 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:00,979 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:00,980 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:00,981 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,039 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 15:47:01,043 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 15:47:01,044 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 15:47:01,046 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 15:47:01,051 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 15:47:01,053 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 15:47:01,057 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 15:47:01,058 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 15:47:01,059 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 15:47:01,060 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 15:47:01,122 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 15:47:01,265 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,266 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,283 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:47:01,314 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:47:01,331 WARN L230 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_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4499,4512] [2021-11-19 15:47:01,332 WARN L230 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_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness.i[4559,4572] [2021-11-19 15:47:01,334 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 15:47:01,335 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 15:47:01,379 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,381 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,382 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,383 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,383 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,392 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,392 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,394 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,399 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,486 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 15:47:01,487 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 15:47:01,487 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 15:47:01,488 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 15:47:01,489 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 15:47:01,490 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 15:47:01,490 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 15:47:01,491 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 15:47:01,492 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 15:47:01,493 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 15:47:01,520 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 15:47:01,670 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,670 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:47:01,691 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:47:02,270 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:47:02,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02 WrapperNode [2021-11-19 15:47:02,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:47:02,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:47:02,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:47:02,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:47:02,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02" (1/1) ... [2021-11-19 15:47:02,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02" (1/1) ... [2021-11-19 15:47:02,557 INFO L137 Inliner]: procedures = 702, calls = 2274, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 373 [2021-11-19 15:47:02,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:47:02,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:47:02,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:47:02,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:47:02,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02" (1/1) ... [2021-11-19 15:47:02,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02" (1/1) ... [2021-11-19 15:47:02,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02" (1/1) ... [2021-11-19 15:47:02,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02" (1/1) ... [2021-11-19 15:47:02,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02" (1/1) ... [2021-11-19 15:47:02,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02" (1/1) ... [2021-11-19 15:47:02,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02" (1/1) ... [2021-11-19 15:47:02,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:47:02,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:47:02,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:47:02,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:47:02,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02" (1/1) ... [2021-11-19 15:47:02,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:47:02,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:47:02,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:47:02,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:47:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-19 15:47:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-19 15:47:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_ignore_case [2021-11-19 15:47:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_ignore_case [2021-11-19 15:47:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-11-19 15:47:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-11-19 15:47:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 15:47:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 15:47:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 15:47:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 15:47:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 15:47:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 15:47:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:47:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:47:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:47:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:47:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-19 15:47:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-19 15:47:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 15:47:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 15:47:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 15:47:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 15:47:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:47:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 15:47:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 15:47:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 15:47:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-19 15:47:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-19 15:47:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-19 15:47:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-19 15:47:03,077 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:47:03,079 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:47:04,300 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:47:04,310 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:47:04,310 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 15:47:04,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:47:04 BoogieIcfgContainer [2021-11-19 15:47:04,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:47:04,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:47:04,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:47:04,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:47:04,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:46:57" (1/3) ... [2021-11-19 15:47:04,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b89aab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:47:04, skipping insertion in model container [2021-11-19 15:47:04,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:47:02" (2/3) ... [2021-11-19 15:47:04,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b89aab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:47:04, skipping insertion in model container [2021-11-19 15:47:04,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:47:04" (3/3) ... [2021-11-19 15:47:04,324 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_eq_ignore_case_harness.i [2021-11-19 15:47:04,331 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:47:04,331 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 15:47:04,396 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:47:04,404 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 15:47:04,405 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 15:47:04,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 66 states have internal predecessors, (83), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2021-11-19 15:47:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-19 15:47:04,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:04,442 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:47:04,443 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:47:04,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:04,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1420882534, now seen corresponding path program 1 times [2021-11-19 15:47:04,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:04,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130948823] [2021-11-19 15:47:04,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:04,471 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:04,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:04,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:04,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:47:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:47:04,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 15:47:04,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:47:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 15:47:05,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:47:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-19 15:47:05,227 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:47:05,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130948823] [2021-11-19 15:47:05,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130948823] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:47:05,229 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:47:05,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 15:47:05,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289000719] [2021-11-19 15:47:05,233 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:47:05,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 15:47:05,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:47:05,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 15:47:05,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 15:47:05,286 INFO L87 Difference]: Start difference. First operand has 99 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 66 states have internal predecessors, (83), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-19 15:47:05,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:47:05,343 INFO L93 Difference]: Finished difference Result 193 states and 263 transitions. [2021-11-19 15:47:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 15:47:05,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 49 [2021-11-19 15:47:05,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:47:05,379 INFO L225 Difference]: With dead ends: 193 [2021-11-19 15:47:05,385 INFO L226 Difference]: Without dead ends: 94 [2021-11-19 15:47:05,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 15:47:05,400 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 15:47:05,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:47:05,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-19 15:47:05,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-11-19 15:47:05,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 62 states have internal predecessors, (75), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-19 15:47:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 120 transitions. [2021-11-19 15:47:05,494 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 120 transitions. Word has length 49 [2021-11-19 15:47:05,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:47:05,497 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 120 transitions. [2021-11-19 15:47:05,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-19 15:47:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions. [2021-11-19 15:47:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-19 15:47:05,512 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:05,513 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:47:05,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 15:47:05,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:47:05,737 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:47:05,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:05,742 INFO L85 PathProgramCache]: Analyzing trace with hash -206021594, now seen corresponding path program 1 times [2021-11-19 15:47:05,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:05,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478526131] [2021-11-19 15:47:05,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:05,744 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:05,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:05,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:05,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:47:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:47:06,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 15:47:06,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:47:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 15:47:06,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:47:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 15:47:06,912 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:47:06,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478526131] [2021-11-19 15:47:06,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478526131] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:47:06,913 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:47:06,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 15:47:06,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106986698] [2021-11-19 15:47:06,914 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:47:06,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:47:06,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:47:06,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:47:06,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:47:06,922 INFO L87 Difference]: Start difference. First operand 94 states and 120 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-19 15:47:07,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:47:07,049 INFO L93 Difference]: Finished difference Result 139 states and 183 transitions. [2021-11-19 15:47:07,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:47:07,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 49 [2021-11-19 15:47:07,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:47:07,058 INFO L225 Difference]: With dead ends: 139 [2021-11-19 15:47:07,059 INFO L226 Difference]: Without dead ends: 94 [2021-11-19 15:47:07,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:47:07,067 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 11 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:47:07,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 361 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 15:47:07,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-19 15:47:07,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-11-19 15:47:07,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 62 states have internal predecessors, (74), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-19 15:47:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions. [2021-11-19 15:47:07,094 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 119 transitions. Word has length 49 [2021-11-19 15:47:07,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:47:07,095 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 119 transitions. [2021-11-19 15:47:07,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-19 15:47:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 119 transitions. [2021-11-19 15:47:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-19 15:47:07,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:07,104 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:47:07,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 15:47:07,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:47:07,321 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:47:07,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:07,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1123217906, now seen corresponding path program 1 times [2021-11-19 15:47:07,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:07,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689553978] [2021-11-19 15:47:07,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:07,324 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:07,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:07,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:07,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:47:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:47:07,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-19 15:47:07,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:47:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-19 15:47:08,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:47:10,625 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-19 15:47:10,626 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:47:10,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689553978] [2021-11-19 15:47:10,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689553978] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:47:10,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:47:10,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 16 [2021-11-19 15:47:10,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867955393] [2021-11-19 15:47:10,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:47:10,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 15:47:10,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:47:10,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 15:47:10,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-11-19 15:47:10,630 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. Second operand has 10 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2021-11-19 15:47:11,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:47:11,096 INFO L93 Difference]: Finished difference Result 127 states and 153 transitions. [2021-11-19 15:47:11,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 15:47:11,097 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 83 [2021-11-19 15:47:11,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:47:11,098 INFO L225 Difference]: With dead ends: 127 [2021-11-19 15:47:11,098 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 15:47:11,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2021-11-19 15:47:11,102 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 11 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:47:11,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 259 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 15 Unchecked, 0.1s Time] [2021-11-19 15:47:11,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 15:47:11,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 15:47:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 15:47:11,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 15:47:11,105 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-11-19 15:47:11,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:47:11,112 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 15:47:11,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2021-11-19 15:47:11,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 15:47:11,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 15:47:11,118 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 15:47:11,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:47:11,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:47:11,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 15:47:11,588 INFO L854 garLoopResultBuilder]: At program point L6816(lines 6807 6817) the Hoare annotation is: (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) [2021-11-19 15:47:11,588 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6801 6805) no Hoare annotation was computed. [2021-11-19 15:47:11,588 INFO L858 garLoopResultBuilder]: For program point L6811-1(lines 6811 6812) no Hoare annotation was computed. [2021-11-19 15:47:11,589 INFO L854 garLoopResultBuilder]: At program point L6811(line 6811) the Hoare annotation is: (and (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_~len~1#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) [2021-11-19 15:47:11,589 INFO L858 garLoopResultBuilder]: For program point L6811-5(lines 6811 6812) no Hoare annotation was computed. [2021-11-19 15:47:11,589 INFO L858 garLoopResultBuilder]: For program point L6808-1(line 6808) no Hoare annotation was computed. [2021-11-19 15:47:11,589 INFO L854 garLoopResultBuilder]: At program point L6808(line 6808) the Hoare annotation is: (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_~len~1#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) [2021-11-19 15:47:11,589 INFO L858 garLoopResultBuilder]: For program point L6811-3(line 6811) no Hoare annotation was computed. [2021-11-19 15:47:11,589 INFO L854 garLoopResultBuilder]: At program point L6811-2(line 6811) the Hoare annotation is: (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) [2021-11-19 15:47:11,589 INFO L854 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) [2021-11-19 15:47:11,590 INFO L858 garLoopResultBuilder]: For program point L6803-1(line 6803) no Hoare annotation was computed. [2021-11-19 15:47:11,590 INFO L854 garLoopResultBuilder]: At program point L6803(line 6803) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) [2021-11-19 15:47:11,590 INFO L861 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6801 6805) the Hoare annotation is: true [2021-11-19 15:47:11,590 INFO L858 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2021-11-19 15:47:11,590 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6801 6805) no Hoare annotation was computed. [2021-11-19 15:47:11,590 INFO L861 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6883 6888) the Hoare annotation is: true [2021-11-19 15:47:11,590 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6883 6888) no Hoare annotation was computed. [2021-11-19 15:47:11,591 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6883 6888) no Hoare annotation was computed. [2021-11-19 15:47:11,591 INFO L858 garLoopResultBuilder]: For program point L6884-1(lines 6884 6886) no Hoare annotation was computed. [2021-11-19 15:47:11,591 INFO L854 garLoopResultBuilder]: At program point L6884(lines 6884 6886) the Hoare annotation is: (= bounded_malloc_~size |bounded_malloc_#in~size|) [2021-11-19 15:47:11,591 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-19 15:47:11,591 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-19 15:47:11,591 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-19 15:47:11,591 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-19 15:47:11,592 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-19 15:47:11,592 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-19 15:47:11,592 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-19 15:47:11,592 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6890 6892) no Hoare annotation was computed. [2021-11-19 15:47:11,592 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6890 6892) no Hoare annotation was computed. [2021-11-19 15:47:11,592 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6890 6892) the Hoare annotation is: true [2021-11-19 15:47:11,592 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6253 6258) the Hoare annotation is: true [2021-11-19 15:47:11,593 INFO L858 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-11-19 15:47:11,593 INFO L858 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-11-19 15:47:11,593 INFO L858 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-11-19 15:47:11,593 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6253 6258) no Hoare annotation was computed. [2021-11-19 15:47:11,593 INFO L858 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-11-19 15:47:11,593 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6253 6258) no Hoare annotation was computed. [2021-11-19 15:47:11,593 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-19 15:47:11,593 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-19 15:47:11,594 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-11-19 15:47:11,594 INFO L858 garLoopResultBuilder]: For program point L7455-1(line 7455) no Hoare annotation was computed. [2021-11-19 15:47:11,594 INFO L861 garLoopResultBuilder]: At program point L8925(line 8925) the Hoare annotation is: true [2021-11-19 15:47:11,594 INFO L854 garLoopResultBuilder]: At program point L7455(line 7455) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-19 15:47:11,594 INFO L854 garLoopResultBuilder]: At program point L7455-2(lines 7437 7456) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-19 15:47:11,594 INFO L854 garLoopResultBuilder]: At program point L8921(line 8921) the Hoare annotation is: false [2021-11-19 15:47:11,594 INFO L854 garLoopResultBuilder]: At program point L8921-1(line 8921) the Hoare annotation is: false [2021-11-19 15:47:11,595 INFO L858 garLoopResultBuilder]: For program point L8921-2(line 8921) no Hoare annotation was computed. [2021-11-19 15:47:11,595 INFO L858 garLoopResultBuilder]: For program point L7439(line 7439) no Hoare annotation was computed. [2021-11-19 15:47:11,595 INFO L858 garLoopResultBuilder]: For program point L7439-5(line 7439) no Hoare annotation was computed. [2021-11-19 15:47:11,595 INFO L854 garLoopResultBuilder]: At program point L7439-4(line 7439) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-19 15:47:11,595 INFO L858 garLoopResultBuilder]: For program point L7439-3(line 7439) no Hoare annotation was computed. [2021-11-19 15:47:11,595 INFO L854 garLoopResultBuilder]: At program point L7439-2(line 7439) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-19 15:47:11,595 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 15:47:11,596 INFO L854 garLoopResultBuilder]: At program point L8922(line 8922) the Hoare annotation is: false [2021-11-19 15:47:11,610 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 15:47:11,610 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 15:47:11,611 INFO L858 garLoopResultBuilder]: For program point L8918-1(line 8918) no Hoare annotation was computed. [2021-11-19 15:47:11,611 INFO L858 garLoopResultBuilder]: For program point L8922-1(line 8922) no Hoare annotation was computed. [2021-11-19 15:47:11,611 INFO L854 garLoopResultBuilder]: At program point L8918(line 8918) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-19 15:47:11,612 INFO L854 garLoopResultBuilder]: At program point L7440-2(line 7440) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-19 15:47:11,612 INFO L858 garLoopResultBuilder]: For program point L7440(line 7440) no Hoare annotation was computed. [2021-11-19 15:47:11,612 INFO L858 garLoopResultBuilder]: For program point L7440-5(line 7440) no Hoare annotation was computed. [2021-11-19 15:47:11,613 INFO L854 garLoopResultBuilder]: At program point L7440-4(line 7440) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-19 15:47:11,613 INFO L858 garLoopResultBuilder]: For program point L7440-3(line 7440) no Hoare annotation was computed. [2021-11-19 15:47:11,613 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 15:47:11,613 INFO L858 garLoopResultBuilder]: For program point L8919(lines 8919 8923) no Hoare annotation was computed. [2021-11-19 15:47:11,613 INFO L858 garLoopResultBuilder]: For program point L7441(lines 7441 7445) no Hoare annotation was computed. [2021-11-19 15:47:11,614 INFO L858 garLoopResultBuilder]: For program point L8911(lines 8911 8924) no Hoare annotation was computed. [2021-11-19 15:47:11,614 INFO L858 garLoopResultBuilder]: For program point L7446(lines 7446 7454) no Hoare annotation was computed. [2021-11-19 15:47:11,614 INFO L854 garLoopResultBuilder]: At program point L8916(line 8916) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-19 15:47:11,614 INFO L858 garLoopResultBuilder]: For program point L8916-1(lines 8916 8918) no Hoare annotation was computed. [2021-11-19 15:47:11,614 INFO L854 garLoopResultBuilder]: At program point L8916-2(line 8916) the Hoare annotation is: (and (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.base|) (= (_ bv0 64) |ULTIMATE.start_aws_string_eq_ignore_case_harness_~str_a~1#1.offset|)) [2021-11-19 15:47:11,615 INFO L854 garLoopResultBuilder]: At program point L8920(line 8920) the Hoare annotation is: false [2021-11-19 15:47:11,615 INFO L854 garLoopResultBuilder]: At program point L8920-1(line 8920) the Hoare annotation is: false [2021-11-19 15:47:11,615 INFO L858 garLoopResultBuilder]: For program point L8920-2(line 8920) no Hoare annotation was computed. [2021-11-19 15:47:11,615 INFO L858 garLoopResultBuilder]: For program point L8912-3(line 8912) no Hoare annotation was computed. [2021-11-19 15:47:11,615 INFO L858 garLoopResultBuilder]: For program point L8916-7(lines 8916 8918) no Hoare annotation was computed. [2021-11-19 15:47:11,616 INFO L858 garLoopResultBuilder]: For program point L8912-5(lines 8912 8913) no Hoare annotation was computed. [2021-11-19 15:47:11,616 INFO L858 garLoopResultBuilder]: For program point L8916-3(lines 8916 8917) no Hoare annotation was computed. [2021-11-19 15:47:11,616 INFO L861 garLoopResultBuilder]: At program point L8912(line 8912) the Hoare annotation is: true [2021-11-19 15:47:11,616 INFO L858 garLoopResultBuilder]: For program point L8912-1(lines 8912 8913) no Hoare annotation was computed. [2021-11-19 15:47:11,617 INFO L858 garLoopResultBuilder]: For program point L8916-5(lines 8916 8917) no Hoare annotation was computed. [2021-11-19 15:47:11,617 INFO L861 garLoopResultBuilder]: At program point L8912-2(line 8912) the Hoare annotation is: true [2021-11-19 15:47:11,617 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-19 15:47:11,617 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-19 15:47:11,617 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-19 15:47:11,618 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-19 15:47:11,618 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-19 15:47:11,618 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-19 15:47:11,618 INFO L861 garLoopResultBuilder]: At program point aws_array_eq_ignore_caseENTRY(lines 7986 8016) the Hoare annotation is: true [2021-11-19 15:47:11,619 INFO L858 garLoopResultBuilder]: For program point L8005-4(lines 8005 8011) no Hoare annotation was computed. [2021-11-19 15:47:11,619 INFO L858 garLoopResultBuilder]: For program point L7994(lines 7991 8016) no Hoare annotation was computed. [2021-11-19 15:47:11,619 INFO L858 garLoopResultBuilder]: For program point aws_array_eq_ignore_caseFINAL(lines 7986 8016) no Hoare annotation was computed. [2021-11-19 15:47:11,619 INFO L861 garLoopResultBuilder]: At program point L7992-1(line 7992) the Hoare annotation is: true [2021-11-19 15:47:11,619 INFO L861 garLoopResultBuilder]: At program point L7992(line 7992) the Hoare annotation is: true [2021-11-19 15:47:11,620 INFO L858 garLoopResultBuilder]: For program point L8006(lines 8006 8010) no Hoare annotation was computed. [2021-11-19 15:47:11,620 INFO L861 garLoopResultBuilder]: At program point L8005-3(lines 8005 8011) the Hoare annotation is: true [2021-11-19 15:47:11,620 INFO L858 garLoopResultBuilder]: For program point aws_array_eq_ignore_caseEXIT(lines 7986 8016) no Hoare annotation was computed. [2021-11-19 15:47:11,620 INFO L858 garLoopResultBuilder]: For program point L8005-2(lines 8005 8011) no Hoare annotation was computed. [2021-11-19 15:47:11,625 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-19 15:47:11,627 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 15:47:11,641 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-19 15:47:11,642 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-19 15:47:11,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-19 15:47:11,643 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-19 15:47:11,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 03:47:11 BoogieIcfgContainer [2021-11-19 15:47:11,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 15:47:11,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 15:47:11,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 15:47:11,646 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 15:47:11,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:47:04" (3/4) ... [2021-11-19 15:47:11,651 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 15:47:11,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2021-11-19 15:47:11,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-19 15:47:11,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-19 15:47:11,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-19 15:47:11,660 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-19 15:47:11,660 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-19 15:47:11,660 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq_ignore_case [2021-11-19 15:47:11,661 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-19 15:47:11,661 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-11-19 15:47:11,674 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-11-19 15:47:11,675 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-19 15:47:11,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 15:47:11,678 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 15:47:11,716 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1 : bv64 :: ~bvult64(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, \old(max_size)) && ~bvule64(~bvadd16(9223372036853541257bv64, ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1), 36028797018963967bv64)) [2021-11-19 15:47:12,013 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 15:47:12,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 15:47:12,014 INFO L158 Benchmark]: Toolchain (without parser) took 14416.26ms. Allocated memory was 60.8MB in the beginning and 216.0MB in the end (delta: 155.2MB). Free memory was 30.0MB in the beginning and 85.9MB in the end (delta: -55.9MB). Peak memory consumption was 97.0MB. Max. memory is 16.1GB. [2021-11-19 15:47:12,014 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 60.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:47:12,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4671.49ms. Allocated memory was 60.8MB in the beginning and 151.0MB in the end (delta: 90.2MB). Free memory was 29.9MB in the beginning and 83.4MB in the end (delta: -53.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-11-19 15:47:12,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 285.53ms. Allocated memory is still 151.0MB. Free memory was 83.4MB in the beginning and 74.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 15:47:12,016 INFO L158 Benchmark]: Boogie Preprocessor took 89.66ms. Allocated memory is still 151.0MB. Free memory was 74.7MB in the beginning and 69.6MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 15:47:12,016 INFO L158 Benchmark]: RCFGBuilder took 1664.21ms. Allocated memory is still 151.0MB. Free memory was 68.8MB in the beginning and 70.0MB in the end (delta: -1.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-19 15:47:12,017 INFO L158 Benchmark]: TraceAbstraction took 7329.58ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 70.0MB in the beginning and 159.7MB in the end (delta: -89.7MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2021-11-19 15:47:12,017 INFO L158 Benchmark]: Witness Printer took 367.64ms. Allocated memory is still 216.0MB. Free memory was 159.7MB in the beginning and 85.9MB in the end (delta: 73.8MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2021-11-19 15:47:12,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 60.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4671.49ms. Allocated memory was 60.8MB in the beginning and 151.0MB in the end (delta: 90.2MB). Free memory was 29.9MB in the beginning and 83.4MB in the end (delta: -53.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 285.53ms. Allocated memory is still 151.0MB. Free memory was 83.4MB in the beginning and 74.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.66ms. Allocated memory is still 151.0MB. Free memory was 74.7MB in the beginning and 69.6MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1664.21ms. Allocated memory is still 151.0MB. Free memory was 68.8MB in the beginning and 70.0MB in the end (delta: -1.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7329.58ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 70.0MB in the beginning and 159.7MB in the end (delta: -89.7MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Witness Printer took 367.64ms. Allocated memory is still 216.0MB. Free memory was 159.7MB in the beginning and 85.9MB in the end (delta: 73.8MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] * 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 10 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 746 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 15 IncrementalHoareTripleChecker+Unchecked, 461 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 285 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 116 PreInvPairs, 136 NumberOfFragments, 142 HoareAnnotationTreeSize, 116 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 356 ConstructedInterpolants, 10 QuantifiedInterpolants, 773 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1214 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 124/136 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: 7437]: Loop Invariant Derived loop invariant: 0bv64 == str_a && 0bv64 == str_a - InvariantResult [Line: 8925]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8005]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6807]: Loop Invariant [2021-11-19 15:47:12,032 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-19 15:47:12,032 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-19 15:47:12,033 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-19 15:47:12,033 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] Derived loop invariant: (\exists ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1 : bv64 :: ~bvult64(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, \old(max_size)) && ~bvule64(~bvadd16(9223372036853541257bv64, ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1), 36028797018963967bv64)) RESULT: Ultimate proved your program to be correct! [2021-11-19 15:47:12,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b5f2ff-ad3e-4856-9197-6d7fdd09bcf4/bin/utaipan-UbGMyvGFUs/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