./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_nospec_mask_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_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/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_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/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_0d627ed5-26e0-416f-9c8c-508dd3afb485/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 6f493f36268ddddf1b95c73a1ef895545bd56827101b5cfb094b1b471fbade36 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:24:45,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:24:45,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:24:45,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:24:45,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:24:45,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:24:45,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:24:45,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:24:45,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:24:45,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:24:45,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:24:45,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:24:45,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:24:45,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:24:45,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:24:45,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:24:45,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:24:45,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:24:45,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:24:45,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:24:45,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:24:45,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:24:45,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:24:45,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:24:45,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:24:45,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:24:45,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:24:45,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:24:45,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:24:45,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:24:45,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:24:45,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:24:45,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:24:45,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:24:45,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:24:45,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:24:45,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:24:45,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:24:45,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:24:45,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:24:45,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:24:45,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:24:45,952 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:24:45,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:24:45,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:24:45,954 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:24:45,954 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:24:45,954 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:24:45,955 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:24:45,955 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:24:45,955 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:24:45,956 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:24:45,956 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:24:45,956 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:24:45,956 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:24:45,957 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:24:45,957 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:24:45,957 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:24:45,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:24:45,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:24:45,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:24:45,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:24:45,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:24:45,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:24:45,960 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:24:45,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:24:45,960 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:24:45,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:24:45,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:24:45,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:24:45,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:24:45,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:24:45,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:24:45,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:24:45,962 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:24:45,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:24:45,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:24:45,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:24:45,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:24:45,964 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_0d627ed5-26e0-416f-9c8c-508dd3afb485/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f493f36268ddddf1b95c73a1ef895545bd56827101b5cfb094b1b471fbade36 [2021-11-19 14:24:46,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:24:46,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:24:46,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:24:46,256 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:24:46,256 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:24:46,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i [2021-11-19 14:24:46,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/data/6fcd11061/43e5a2c7a65540ac9f98a7c17bb5048f/FLAGab77f9695 [2021-11-19 14:24:47,350 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:24:47,352 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i [2021-11-19 14:24:47,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/data/6fcd11061/43e5a2c7a65540ac9f98a7c17bb5048f/FLAGab77f9695 [2021-11-19 14:24:47,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/data/6fcd11061/43e5a2c7a65540ac9f98a7c17bb5048f [2021-11-19 14:24:47,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:24:47,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:24:47,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:24:47,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:24:47,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:24:47,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:47" (1/1) ... [2021-11-19 14:24:47,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97d72a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:47, skipping insertion in model container [2021-11-19 14:24:47,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:47" (1/1) ... [2021-11-19 14:24:47,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:24:47,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:24:48,235 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_0d627ed5-26e0-416f-9c8c-508dd3afb485/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4489,4502] [2021-11-19 14:24:48,243 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_0d627ed5-26e0-416f-9c8c-508dd3afb485/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4549,4562] [2021-11-19 14:24:48,271 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:24:48,277 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:24:49,245 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:49,248 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:49,257 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:49,257 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:49,258 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:49,271 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:49,272 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:49,274 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:49,275 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:49,667 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:24:49,669 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:24:49,670 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:24:49,671 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:24:49,672 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:24:49,673 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:24:49,674 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:24:49,675 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:24:49,675 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:24:49,676 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:24:49,876 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:24:50,014 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:50,021 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:50,114 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:50,115 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:50,116 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:50,117 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:50,119 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:50,123 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:24:50,201 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 14:24:50,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bd1db81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:50, skipping insertion in model container [2021-11-19 14:24:50,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:24:50,202 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:24:50,205 INFO L158 Benchmark]: Toolchain (without parser) took 2449.05ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 80.0MB in the beginning and 78.9MB in the end (delta: 1.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2021-11-19 14:24:50,206 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:24:50,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2444.16ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 79.8MB in the beginning and 78.9MB in the end (delta: 870.2kB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2021-11-19 14:24:50,209 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2444.16ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 79.8MB in the beginning and 78.9MB in the end (delta: 870.2kB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6984]: 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_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/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_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/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_0d627ed5-26e0-416f-9c8c-508dd3afb485/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 6f493f36268ddddf1b95c73a1ef895545bd56827101b5cfb094b1b471fbade36 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:24:52,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:24:52,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:24:52,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:24:52,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:24:52,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:24:52,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:24:52,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:24:52,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:24:52,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:24:52,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:24:52,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:24:52,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:24:52,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:24:52,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:24:52,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:24:52,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:24:52,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:24:52,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:24:52,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:24:52,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:24:52,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:24:52,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:24:52,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:24:52,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:24:52,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:24:52,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:24:52,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:24:52,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:24:52,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:24:52,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:24:52,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:24:52,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:24:52,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:24:52,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:24:52,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:24:52,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:24:52,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:24:52,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:24:52,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:24:52,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:24:52,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:24:52,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:24:52,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:24:52,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:24:52,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:24:52,736 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:24:52,736 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:24:52,736 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:24:52,736 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:24:52,737 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:24:52,737 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:24:52,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:24:52,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:24:52,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:24:52,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:24:52,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:24:52,740 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:24:52,740 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:24:52,740 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:24:52,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:24:52,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:24:52,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:24:52,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:24:52,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:24:52,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:24:52,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:24:52,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:24:52,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:24:52,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:24:52,743 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:24:52,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:24:52,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:24:52,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:24:52,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:24:52,743 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_0d627ed5-26e0-416f-9c8c-508dd3afb485/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f493f36268ddddf1b95c73a1ef895545bd56827101b5cfb094b1b471fbade36 [2021-11-19 14:24:53,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:24:53,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:24:53,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:24:53,178 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:24:53,178 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:24:53,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i [2021-11-19 14:24:53,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/data/f3aeca928/e3da987812f04ed1bfaac9e275746b42/FLAG214b35cf6 [2021-11-19 14:24:54,214 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:24:54,214 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i [2021-11-19 14:24:54,271 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/data/f3aeca928/e3da987812f04ed1bfaac9e275746b42/FLAG214b35cf6 [2021-11-19 14:24:54,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/data/f3aeca928/e3da987812f04ed1bfaac9e275746b42 [2021-11-19 14:24:54,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:24:54,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:24:54,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:24:54,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:24:54,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:24:54,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:54" (1/1) ... [2021-11-19 14:24:54,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572c0962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:54, skipping insertion in model container [2021-11-19 14:24:54,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:54" (1/1) ... [2021-11-19 14:24:54,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:24:54,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:24:55,132 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_0d627ed5-26e0-416f-9c8c-508dd3afb485/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4489,4502] [2021-11-19 14:24:55,140 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_0d627ed5-26e0-416f-9c8c-508dd3afb485/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4549,4562] [2021-11-19 14:24:55,172 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:24:55,180 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:24:56,089 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,090 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,091 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,092 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,093 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,108 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,109 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,111 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,112 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,603 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:24:56,604 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:24:56,605 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:24:56,607 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:24:56,608 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:24:56,609 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:24:56,609 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:24:56,610 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:24:56,611 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:24:56,611 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:24:56,802 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:24:56,918 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,918 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,994 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,994 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,995 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,996 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,996 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:56,999 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:24:57,061 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:24:57,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:24:57,116 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_0d627ed5-26e0-416f-9c8c-508dd3afb485/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4489,4502] [2021-11-19 14:24:57,117 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_0d627ed5-26e0-416f-9c8c-508dd3afb485/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4549,4562] [2021-11-19 14:24:57,119 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:24:57,119 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:24:57,181 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,181 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,182 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,182 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,183 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,192 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,193 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,195 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,195 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,273 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:24:57,277 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:24:57,277 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:24:57,278 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:24:57,280 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:24:57,280 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:24:57,281 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:24:57,281 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:24:57,282 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:24:57,282 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:24:57,326 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:24:57,406 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,406 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,448 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,448 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,449 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,449 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,450 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,453 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:24:57,509 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:24:57,537 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_0d627ed5-26e0-416f-9c8c-508dd3afb485/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4489,4502] [2021-11-19 14:24:57,537 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_0d627ed5-26e0-416f-9c8c-508dd3afb485/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i[4549,4562] [2021-11-19 14:24:57,539 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:24:57,540 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:24:57,589 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,590 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,590 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,591 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,591 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,597 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,597 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,598 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,598 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,665 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:24:57,665 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:24:57,666 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:24:57,668 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:24:57,669 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:24:57,669 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:24:57,670 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:24:57,670 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:24:57,671 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:24:57,672 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:24:57,695 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:24:57,755 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,755 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,808 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,809 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,809 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,811 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,811 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:24:57,812 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:24:58,239 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:24:58,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58 WrapperNode [2021-11-19 14:24:58,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:24:58,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:24:58,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:24:58,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:24:58,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58" (1/1) ... [2021-11-19 14:24:58,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58" (1/1) ... [2021-11-19 14:24:58,500 INFO L137 Inliner]: procedures = 712, calls = 2490, calls flagged for inlining = 52, calls inlined = 3, statements flattened = 726 [2021-11-19 14:24:58,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:24:58,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:24:58,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:24:58,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:24:58,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58" (1/1) ... [2021-11-19 14:24:58,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58" (1/1) ... [2021-11-19 14:24:58,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58" (1/1) ... [2021-11-19 14:24:58,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58" (1/1) ... [2021-11-19 14:24:58,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58" (1/1) ... [2021-11-19 14:24:58,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58" (1/1) ... [2021-11-19 14:24:58,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58" (1/1) ... [2021-11-19 14:24:58,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:24:58,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:24:58,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:24:58,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:24:58,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58" (1/1) ... [2021-11-19 14:24:58,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:24:58,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:24:58,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:24:58,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:24:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure aws_nospec_mask [2021-11-19 14:24:58,745 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_nospec_mask [2021-11-19 14:24:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:24:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:24:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:24:58,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:24:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:24:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:24:58,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:24:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:24:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:24:59,078 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:24:59,081 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:25:02,505 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:25:02,511 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:25:02,512 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:25:02,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:25:02 BoogieIcfgContainer [2021-11-19 14:25:02,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:25:02,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:25:02,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:25:02,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:25:02,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:24:54" (1/3) ... [2021-11-19 14:25:02,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167b6621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:25:02, skipping insertion in model container [2021-11-19 14:25:02,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:58" (2/3) ... [2021-11-19 14:25:02,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167b6621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:25:02, skipping insertion in model container [2021-11-19 14:25:02,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:25:02" (3/3) ... [2021-11-19 14:25:02,523 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_nospec_mask_harness.i [2021-11-19 14:25:02,528 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:25:02,528 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:25:02,577 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:25:02,584 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 14:25:02,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:25:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 14:25:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 14:25:02,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:02,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:25:02,606 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:25:02,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:02,611 INFO L85 PathProgramCache]: Analyzing trace with hash -861833029, now seen corresponding path program 1 times [2021-11-19 14:25:02,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:25:02,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750862752] [2021-11-19 14:25:02,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:02,630 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:25:02,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:25:02,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:25:02,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:25:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:03,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-19 14:25:03,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:25:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:04,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:25:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:06,438 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:25:06,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750862752] [2021-11-19 14:25:06,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750862752] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:06,445 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:06,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2021-11-19 14:25:06,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922501023] [2021-11-19 14:25:06,450 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:06,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 14:25:06,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:25:06,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 14:25:06,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:25:06,507 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:25:07,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:07,376 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2021-11-19 14:25:07,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 14:25:07,380 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 12 [2021-11-19 14:25:07,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:07,387 INFO L225 Difference]: With dead ends: 40 [2021-11-19 14:25:07,388 INFO L226 Difference]: Without dead ends: 16 [2021-11-19 14:25:07,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-11-19 14:25:07,398 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 23 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:07,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 121 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:25:07,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-19 14:25:07,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-19 14:25:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.1) internal successors, (11), 11 states have internal predecessors, (11), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:25:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-11-19 14:25:07,436 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 12 [2021-11-19 14:25:07,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:07,437 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-11-19 14:25:07,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:25:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-11-19 14:25:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 14:25:07,439 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:07,440 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:25:07,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:25:07,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:25:07,661 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:25:07,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:07,662 INFO L85 PathProgramCache]: Analyzing trace with hash -859002884, now seen corresponding path program 1 times [2021-11-19 14:25:07,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:25:07,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116731684] [2021-11-19 14:25:07,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:07,664 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:25:07,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:25:07,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:25:07,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:25:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:08,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 14:25:08,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:25:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:08,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:25:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:09,376 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:25:09,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116731684] [2021-11-19 14:25:09,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116731684] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:25:09,377 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:25:09,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-19 14:25:09,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910833830] [2021-11-19 14:25:09,378 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:25:09,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-19 14:25:09,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:25:09,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-19 14:25:09,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-11-19 14:25:09,381 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 14 states, 12 states have (on average 1.25) internal successors, (15), 10 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:25:09,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:09,548 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2021-11-19 14:25:09,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 14:25:09,549 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 1.25) internal successors, (15), 10 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 12 [2021-11-19 14:25:09,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:09,550 INFO L225 Difference]: With dead ends: 22 [2021-11-19 14:25:09,550 INFO L226 Difference]: Without dead ends: 18 [2021-11-19 14:25:09,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-11-19 14:25:09,551 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:09,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 59 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 15 Unchecked, 0.0s Time] [2021-11-19 14:25:09,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-19 14:25:09,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-19 14:25:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:25:09,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2021-11-19 14:25:09,557 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 12 [2021-11-19 14:25:09,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:09,558 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2021-11-19 14:25:09,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 1.25) internal successors, (15), 10 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 14:25:09,558 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2021-11-19 14:25:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 14:25:09,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:25:09,559 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:25:09,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:25:09,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:25:09,760 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:25:09,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:25:09,761 INFO L85 PathProgramCache]: Analyzing trace with hash -668467305, now seen corresponding path program 1 times [2021-11-19 14:25:09,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:25:09,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416170573] [2021-11-19 14:25:09,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:09,763 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:25:09,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:25:09,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:25:09,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:25:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:10,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 14:25:10,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:25:11,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:11,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:25:12,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:12,853 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:25:12,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [416170573] [2021-11-19 14:25:12,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [416170573] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:25:12,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2006353660] [2021-11-19 14:25:12,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:12,855 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 14:25:12,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 14:25:12,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 14:25:12,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-19 14:25:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:22,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 14:25:22,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:25:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:22,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:25:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:23,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2006353660] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:25:23,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117911710] [2021-11-19 14:25:23,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:25:23,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:25:23,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:25:23,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:25:23,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 14:25:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:25:24,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 14:25:24,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:25:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:24,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:25:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:25:25,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117911710] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:25:25,780 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-19 14:25:25,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10, 9, 10, 9] total 15 [2021-11-19 14:25:25,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978291517] [2021-11-19 14:25:25,781 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-19 14:25:25,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-19 14:25:25,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:25:25,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-19 14:25:25,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-19 14:25:25,783 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-19 14:25:26,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:25:26,366 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2021-11-19 14:25:26,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 14:25:26,368 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 17 [2021-11-19 14:25:26,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:25:26,369 INFO L225 Difference]: With dead ends: 18 [2021-11-19 14:25:26,369 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 14:25:26,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 80 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:25:26,370 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 9 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:25:26,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 75 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:25:26,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 14:25:26,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 14:25:26,372 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 14:25:26,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 14:25:26,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-11-19 14:25:26,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:25:26,372 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 14:25:26,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 11 states have internal predecessors, (20), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-19 14:25:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 14:25:26,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 14:25:26,375 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 14:25:26,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:25:26,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2021-11-19 14:25:26,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:25:26,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:25:26,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 14:25:27,156 INFO L858 garLoopResultBuilder]: For program point aws_nospec_maskFINAL(lines 8050 8072) no Hoare annotation was computed. [2021-11-19 14:25:27,156 INFO L858 garLoopResultBuilder]: For program point aws_nospec_maskEXIT(lines 8050 8072) no Hoare annotation was computed. [2021-11-19 14:25:27,157 INFO L861 garLoopResultBuilder]: At program point aws_nospec_maskENTRY(lines 8050 8072) the Hoare annotation is: true [2021-11-19 14:25:27,157 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 14:25:27,157 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 14:25:27,157 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 14:25:27,157 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 14:25:27,157 INFO L854 garLoopResultBuilder]: At program point L8767(line 8767) the Hoare annotation is: (= (_ bv0 64) (bvadd (bvudiv (bvnot (bvor (bvor |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1| |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|) (bvadd (_ bv18446744073709551615 64) (bvneg |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1|) |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|))) (_ bv9223372036854775808 64)) |ULTIMATE.start_aws_nospec_mask_harness_~rval~14#1|)) [2021-11-19 14:25:27,157 INFO L854 garLoopResultBuilder]: At program point L8757(lines 8757 8759) the Hoare annotation is: (let ((.cse0 (bvudiv (bvnot (bvor (bvor |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1| |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|) (bvadd (_ bv18446744073709551615 64) (bvneg |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1|) |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|))) (_ bv9223372036854775808 64)))) (and (= (_ bv1 64) .cse0) (= (_ bv0 64) (bvadd .cse0 |ULTIMATE.start_aws_nospec_mask_harness_~rval~14#1|)))) [2021-11-19 14:25:27,158 INFO L854 garLoopResultBuilder]: At program point L8757-1(lines 8757 8759) the Hoare annotation is: (let ((.cse0 (bvudiv (bvnot (bvor (bvor |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1| |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|) (bvadd (_ bv18446744073709551615 64) (bvneg |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1|) |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|))) (_ bv9223372036854775808 64)))) (and (= (_ bv1 64) .cse0) (= (_ bv0 64) (bvadd .cse0 |ULTIMATE.start_aws_nospec_mask_harness_~rval~14#1|)))) [2021-11-19 14:25:27,158 INFO L858 garLoopResultBuilder]: For program point L8760(lines 8741 8766) no Hoare annotation was computed. [2021-11-19 14:25:27,158 INFO L861 garLoopResultBuilder]: At program point L8747(line 8747) the Hoare annotation is: true [2021-11-19 14:25:27,158 INFO L858 garLoopResultBuilder]: For program point L8747-1(line 8747) no Hoare annotation was computed. [2021-11-19 14:25:27,158 INFO L854 garLoopResultBuilder]: At program point L8751(lines 8751 8755) the Hoare annotation is: (let ((.cse0 (bvudiv (bvnot (bvor (bvor |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1| |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|) (bvadd (_ bv18446744073709551615 64) (bvneg |ULTIMATE.start_aws_nospec_mask_harness_~index~0#1|) |ULTIMATE.start_aws_nospec_mask_harness_~bound~0#1|))) (_ bv9223372036854775808 64)))) (and (= (_ bv0 64) (bvadd .cse0 |ULTIMATE.start_aws_nospec_mask_harness_~rval~14#1|)) (= (_ bv0 64) .cse0))) [2021-11-19 14:25:27,158 INFO L858 garLoopResultBuilder]: For program point L8750(lines 8750 8765) no Hoare annotation was computed. [2021-11-19 14:25:27,158 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-19 14:25:27,158 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-19 14:25:27,158 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-19 14:25:27,158 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-19 14:25:27,159 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-19 14:25:27,159 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-19 14:25:27,161 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-19 14:25:27,162 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:25:27,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:25:27 BoogieIcfgContainer [2021-11-19 14:25:27,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:25:27,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:25:27,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:25:27,181 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:25:27,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:25:02" (3/4) ... [2021-11-19 14:25:27,184 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 14:25:27,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_nospec_mask [2021-11-19 14:25:27,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-19 14:25:27,205 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2021-11-19 14:25:27,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2021-11-19 14:25:27,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-19 14:25:27,210 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-19 14:25:27,211 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-19 14:25:27,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 14:25:27,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 14:25:27,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 14:25:28,313 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:25:28,313 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:25:28,314 INFO L158 Benchmark]: Toolchain (without parser) took 33602.49ms. Allocated memory was 58.7MB in the beginning and 216.0MB in the end (delta: 157.3MB). Free memory was 27.0MB in the beginning and 80.4MB in the end (delta: -53.5MB). Peak memory consumption was 160.7MB. Max. memory is 16.1GB. [2021-11-19 14:25:28,314 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 38.1MB in the beginning and 38.1MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:25:28,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3509.01ms. Allocated memory was 58.7MB in the beginning and 123.7MB in the end (delta: 65.0MB). Free memory was 40.1MB in the beginning and 59.2MB in the end (delta: -19.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2021-11-19 14:25:28,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 259.38ms. Allocated memory is still 123.7MB. Free memory was 59.2MB in the beginning and 48.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 14:25:28,315 INFO L158 Benchmark]: Boogie Preprocessor took 132.00ms. Allocated memory is still 123.7MB. Free memory was 48.2MB in the beginning and 41.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 14:25:28,315 INFO L158 Benchmark]: RCFGBuilder took 3879.31ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 41.9MB in the beginning and 68.8MB in the end (delta: -26.9MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2021-11-19 14:25:28,315 INFO L158 Benchmark]: TraceAbstraction took 24663.93ms. Allocated memory was 153.1MB in the beginning and 216.0MB in the end (delta: 62.9MB). Free memory was 68.8MB in the beginning and 100.8MB in the end (delta: -32.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-11-19 14:25:28,315 INFO L158 Benchmark]: Witness Printer took 1132.84ms. Allocated memory is still 216.0MB. Free memory was 100.8MB in the beginning and 80.4MB in the end (delta: 20.4MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2021-11-19 14:25:28,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 38.1MB in the beginning and 38.1MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3509.01ms. Allocated memory was 58.7MB in the beginning and 123.7MB in the end (delta: 65.0MB). Free memory was 40.1MB in the beginning and 59.2MB in the end (delta: -19.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 259.38ms. Allocated memory is still 123.7MB. Free memory was 59.2MB in the beginning and 48.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.00ms. Allocated memory is still 123.7MB. Free memory was 48.2MB in the beginning and 41.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3879.31ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 41.9MB in the beginning and 68.8MB in the end (delta: -26.9MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * TraceAbstraction took 24663.93ms. Allocated memory was 153.1MB in the beginning and 216.0MB in the end (delta: 62.9MB). Free memory was 68.8MB in the beginning and 100.8MB in the end (delta: -32.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 1132.84ms. Allocated memory is still 216.0MB. Free memory was 100.8MB in the beginning and 80.4MB in the end (delta: 20.4MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 255 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 15 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 35 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 100 SyntacticMatches, 8 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 13 NumberOfFragments, 112 HoareAnnotationTreeSize, 10 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 11.7s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 140 ConstructedInterpolants, 5 QuantifiedInterpolants, 1105 SizeOfPredicates, 43 NumberOfNonLiveVariables, 6426 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 6/12 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: 8767]: Loop Invariant Derived loop invariant: 0bv64 == ~bvadd16(~bvudiv64(~bvnot64(~bvor64(~bvor64(index, bound), ~bvadd16(18446744073709551615bv64, ~bvneg32(index), bound))), 9223372036854775808bv64), rval) RESULT: Ultimate proved your program to be correct! [2021-11-19 14:25:28,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d627ed5-26e0-416f-9c8c-508dd3afb485/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