./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/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 f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:19:26,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:19:26,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:19:26,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:19:26,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:19:26,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:19:26,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:19:26,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:19:26,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:19:26,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:19:26,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:19:26,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:19:26,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:19:26,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:19:26,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:19:26,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:19:26,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:19:26,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:19:26,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:19:26,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:19:26,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:19:26,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:19:26,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:19:26,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:19:26,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:19:26,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:19:26,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:19:26,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:19:26,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:19:26,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:19:26,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:19:26,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:19:26,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:19:26,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:19:26,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:19:26,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:19:26,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:19:26,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:19:26,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:19:26,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:19:26,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:19:26,830 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:19:26,866 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:19:26,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:19:26,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:19:26,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:19:26,875 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:19:26,876 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:19:26,876 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:19:26,876 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:19:26,881 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:19:26,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:19:26,881 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:19:26,882 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:19:26,882 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:19:26,882 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:19:26,883 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:19:26,883 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:19:26,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:19:26,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:19:26,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:19:26,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:19:26,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:19:26,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:19:26,887 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:19:26,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:19:26,888 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:19:26,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:19:26,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:19:26,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:19:26,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:19:26,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:19:26,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:19:26,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:19:26,892 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:19:26,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:19:26,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:19:26,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:19:26,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:19:26,894 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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2021-11-19 14:19:27,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:19:27,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:19:27,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:19:27,320 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:19:27,321 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:19:27,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-19 14:19:27,426 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/data/f0a1acb37/6ea308dd1fa447528df3e0e62e18719a/FLAGab6991276 [2021-11-19 14:19:28,676 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:19:28,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-19 14:19:28,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/data/f0a1acb37/6ea308dd1fa447528df3e0e62e18719a/FLAGab6991276 [2021-11-19 14:19:28,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/data/f0a1acb37/6ea308dd1fa447528df3e0e62e18719a [2021-11-19 14:19:28,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:19:28,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:19:28,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:19:28,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:19:28,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:19:28,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:19:28" (1/1) ... [2021-11-19 14:19:28,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209d60fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:28, skipping insertion in model container [2021-11-19 14:19:28,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:19:28" (1/1) ... [2021-11-19 14:19:28,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:19:29,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:19:29,515 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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-19 14:19:29,523 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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-19 14:19:29,554 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:19:29,564 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:19:30,909 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:30,918 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:30,920 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:30,923 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:30,926 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:30,945 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:30,946 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:30,948 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:30,950 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:31,444 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:19:31,446 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:19:31,448 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:19:31,450 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:19:31,452 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:19:31,453 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:19:31,454 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:19:31,455 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:19:31,457 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:19:31,458 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:19:31,686 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:19:31,876 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:31,876 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:31,965 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:19:32,046 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 14:19:32,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@110e5737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:32, skipping insertion in model container [2021-11-19 14:19:32,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:19:32,049 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:19:32,053 INFO L158 Benchmark]: Toolchain (without parser) took 3111.76ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 55.3MB in the beginning and 76.8MB in the end (delta: -21.5MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2021-11-19 14:19:32,054 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 102.8MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:19:32,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3108.25ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 55.1MB in the beginning and 76.8MB in the end (delta: -21.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2021-11-19 14:19:32,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 102.8MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3108.25ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 55.1MB in the beginning and 76.8MB in the end (delta: -21.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: 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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/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 f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:19:34,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:19:34,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:19:35,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:19:35,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:19:35,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:19:35,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:19:35,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:19:35,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:19:35,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:19:35,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:19:35,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:19:35,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:19:35,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:19:35,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:19:35,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:19:35,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:19:35,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:19:35,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:19:35,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:19:35,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:19:35,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:19:35,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:19:35,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:19:35,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:19:35,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:19:35,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:19:35,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:19:35,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:19:35,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:19:35,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:19:35,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:19:35,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:19:35,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:19:35,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:19:35,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:19:35,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:19:35,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:19:35,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:19:35,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:19:35,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:19:35,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:19:35,178 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:19:35,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:19:35,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:19:35,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:19:35,180 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:19:35,180 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:19:35,181 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:19:35,181 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:19:35,181 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:19:35,182 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:19:35,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:19:35,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:19:35,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:19:35,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:19:35,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:19:35,184 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:19:35,185 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:19:35,185 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:19:35,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:19:35,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:19:35,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:19:35,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:19:35,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:19:35,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:19:35,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:19:35,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:19:35,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:19:35,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:19:35,188 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:19:35,189 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:19:35,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:19:35,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:19:35,190 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:19:35,190 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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2021-11-19 14:19:35,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:19:35,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:19:35,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:19:35,701 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:19:35,702 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:19:35,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-19 14:19:35,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/data/651ca64fb/2c5f767e9ad84925810f222c6d162cb8/FLAG9592318a3 [2021-11-19 14:19:36,676 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:19:36,677 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2021-11-19 14:19:36,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/data/651ca64fb/2c5f767e9ad84925810f222c6d162cb8/FLAG9592318a3 [2021-11-19 14:19:37,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/data/651ca64fb/2c5f767e9ad84925810f222c6d162cb8 [2021-11-19 14:19:37,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:19:37,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:19:37,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:19:37,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:19:37,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:19:37,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:19:37" (1/1) ... [2021-11-19 14:19:37,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525f0259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:37, skipping insertion in model container [2021-11-19 14:19:37,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:19:37" (1/1) ... [2021-11-19 14:19:37,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:19:37,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:19:37,681 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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-19 14:19:37,689 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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-19 14:19:37,717 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:19:37,724 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:19:39,420 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:39,422 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:39,424 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:39,425 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:39,427 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:39,455 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:39,457 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:39,460 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:39,461 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,034 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:19:40,036 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:19:40,037 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:19:40,038 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:19:40,039 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:19:40,040 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:19:40,041 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:19:40,041 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:19:40,042 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:19:40,043 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:19:40,259 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:19:40,413 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,413 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,476 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:19:40,552 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:19:40,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:19:40,666 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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-19 14:19:40,667 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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-19 14:19:40,668 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:19:40,671 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:19:40,710 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,711 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,711 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,711 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,713 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,739 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,740 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,741 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,741 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,789 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:19:40,790 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:19:40,791 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:19:40,792 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:19:40,793 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:19:40,794 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:19:40,795 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:19:40,795 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:19:40,796 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:19:40,796 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:19:40,837 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:19:40,931 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,932 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:40,970 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:19:41,026 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:19:41,055 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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2021-11-19 14:19:41,055 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_10703bd8-4539-4986-a0e1-5092ceb5a5dd/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2021-11-19 14:19:41,057 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:19:41,058 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:19:41,126 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:41,127 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:41,127 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:41,128 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:41,128 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:41,136 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:41,137 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:41,138 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:41,138 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:41,175 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:19:41,176 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:19:41,176 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:19:41,177 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:19:41,178 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:19:41,179 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:19:41,179 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:19:41,180 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:19:41,181 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:19:41,181 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:19:41,206 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:19:41,335 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:41,336 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:19:41,379 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:19:41,777 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:19:41,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41 WrapperNode [2021-11-19 14:19:41,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:19:41,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:19:41,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:19:41,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:19:41,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41" (1/1) ... [2021-11-19 14:19:41,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41" (1/1) ... [2021-11-19 14:19:42,086 INFO L137 Inliner]: procedures = 713, calls = 2647, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 972 [2021-11-19 14:19:42,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:19:42,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:19:42,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:19:42,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:19:42,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41" (1/1) ... [2021-11-19 14:19:42,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41" (1/1) ... [2021-11-19 14:19:42,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41" (1/1) ... [2021-11-19 14:19:42,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41" (1/1) ... [2021-11-19 14:19:42,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41" (1/1) ... [2021-11-19 14:19:42,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41" (1/1) ... [2021-11-19 14:19:42,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41" (1/1) ... [2021-11-19 14:19:42,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:19:42,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:19:42,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:19:42,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:19:42,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41" (1/1) ... [2021-11-19 14:19:42,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:19:42,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:19:42,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:19:42,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:19:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2021-11-19 14:19:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2021-11-19 14:19:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-11-19 14:19:42,386 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-11-19 14:19:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure ntohs [2021-11-19 14:19:42,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:19:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 14:19:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 14:19:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:19:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:19:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:19:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-19 14:19:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:19:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:19:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:19:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:19:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:19:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2021-11-19 14:19:42,391 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2021-11-19 14:19:42,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:19:42,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:19:42,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:19:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:19:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:19:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:19:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:19:42,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:19:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-19 14:19:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-19 14:19:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:19:42,393 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-19 14:19:42,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-19 14:19:42,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:19:42,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:19:42,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:19:42,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:19:42,395 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-19 14:19:42,396 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-19 14:19:42,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 14:19:42,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 14:19:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:19:42,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:19:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:19:42,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:19:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:19:42,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:19:42,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-19 14:19:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-19 14:19:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-19 14:19:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-19 14:19:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-19 14:19:42,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:19:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:19:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:19:42,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:19:42,822 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:19:42,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:19:50,649 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:19:50,665 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:19:50,666 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:19:50,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:19:50 BoogieIcfgContainer [2021-11-19 14:19:50,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:19:50,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:19:50,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:19:50,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:19:50,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:19:37" (1/3) ... [2021-11-19 14:19:50,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ac0f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:19:50, skipping insertion in model container [2021-11-19 14:19:50,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:19:41" (2/3) ... [2021-11-19 14:19:50,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ac0f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:19:50, skipping insertion in model container [2021-11-19 14:19:50,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:19:50" (3/3) ... [2021-11-19 14:19:50,681 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness.i [2021-11-19 14:19:50,688 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:19:50,688 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:19:50,761 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:19:50,767 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 14:19:50,767 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:19:50,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 97 states have (on average 1.2268041237113403) internal successors, (119), 98 states have internal predecessors, (119), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2021-11-19 14:19:50,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-19 14:19:50,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:19:50,806 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:19:50,806 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:19:50,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:19:50,813 INFO L85 PathProgramCache]: Analyzing trace with hash -995370876, now seen corresponding path program 1 times [2021-11-19 14:19:50,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:19:50,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071932312] [2021-11-19 14:19:50,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:19:50,833 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:19:50,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:19:50,837 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:19:50,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:19:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:19:51,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 14:19:51,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:19:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-11-19 14:19:52,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:19:52,781 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-19 14:19:52,783 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:19:52,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071932312] [2021-11-19 14:19:52,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071932312] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:19:52,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:19:52,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-19 14:19:52,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581823473] [2021-11-19 14:19:52,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:19:52,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:19:52,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:19:52,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:19:52,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:19:52,839 INFO L87 Difference]: Start difference. First operand has 158 states, 97 states have (on average 1.2268041237113403) internal successors, (119), 98 states have internal predecessors, (119), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-19 14:19:52,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:19:52,932 INFO L93 Difference]: Finished difference Result 309 states and 450 transitions. [2021-11-19 14:19:52,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:19:52,936 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2021-11-19 14:19:52,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:19:52,955 INFO L225 Difference]: With dead ends: 309 [2021-11-19 14:19:52,955 INFO L226 Difference]: Without dead ends: 152 [2021-11-19 14:19:52,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:19:52,969 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:19:52,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:19:53,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-11-19 14:19:53,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2021-11-19 14:19:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 92 states have (on average 1.2173913043478262) internal successors, (112), 93 states have internal predecessors, (112), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-19 14:19:53,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 207 transitions. [2021-11-19 14:19:53,051 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 207 transitions. Word has length 124 [2021-11-19 14:19:53,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:19:53,053 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 207 transitions. [2021-11-19 14:19:53,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-19 14:19:53,053 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 207 transitions. [2021-11-19 14:19:53,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-19 14:19:53,058 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:19:53,058 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:19:53,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:19:53,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:19:53,280 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:19:53,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:19:53,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1202675202, now seen corresponding path program 1 times [2021-11-19 14:19:53,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:19:53,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533665678] [2021-11-19 14:19:53,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:19:53,287 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:19:53,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:19:53,288 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:19:53,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:19:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:19:54,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:19:54,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:19:54,826 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-19 14:19:54,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:19:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-19 14:19:55,416 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:19:55,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533665678] [2021-11-19 14:19:55,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533665678] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:19:55,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:19:55,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-11-19 14:19:55,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610431631] [2021-11-19 14:19:55,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:19:55,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:19:55,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:19:55,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:19:55,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:19:55,420 INFO L87 Difference]: Start difference. First operand 152 states and 207 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-19 14:19:55,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:19:55,858 INFO L93 Difference]: Finished difference Result 280 states and 393 transitions. [2021-11-19 14:19:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:19:55,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 124 [2021-11-19 14:19:55,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:19:55,866 INFO L225 Difference]: With dead ends: 280 [2021-11-19 14:19:55,867 INFO L226 Difference]: Without dead ends: 155 [2021-11-19 14:19:55,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:19:55,869 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 51 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:19:55,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 659 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:19:55,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-11-19 14:19:55,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-11-19 14:19:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 94 states have (on average 1.2127659574468086) internal successors, (114), 96 states have internal predecessors, (114), 48 states have call successors, (48), 11 states have call predecessors, (48), 12 states have return successors, (55), 47 states have call predecessors, (55), 47 states have call successors, (55) [2021-11-19 14:19:55,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 217 transitions. [2021-11-19 14:19:55,900 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 217 transitions. Word has length 124 [2021-11-19 14:19:55,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:19:55,901 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 217 transitions. [2021-11-19 14:19:55,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-19 14:19:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 217 transitions. [2021-11-19 14:19:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-19 14:19:55,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:19:55,906 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:19:55,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:19:56,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:19:56,123 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:19:56,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:19:56,123 INFO L85 PathProgramCache]: Analyzing trace with hash 2041589987, now seen corresponding path program 1 times [2021-11-19 14:19:56,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:19:56,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012229785] [2021-11-19 14:19:56,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:19:56,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:19:56,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:19:56,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:19:56,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10703bd8-4539-4986-a0e1-5092ceb5a5dd/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:19:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:19:57,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1574 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 14:19:57,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:19:58,602 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:19:58,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 99 treesize of output 35 [2021-11-19 14:19:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 76 proven. 4 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-19 14:19:59,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:20:00,732 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-11-19 14:20:00,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 129 treesize of output 1 [2021-11-19 14:20:15,638 WARN L227 SmtUtils]: Spent 14.27s on a formula simplification. DAG size of input: 523 DAG size of output: 269 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 14:20:15,644 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-19 14:20:15,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 129 treesize of output 772