./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_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_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/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_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/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_50b6300c-a56a-4663-be09-ce7067ff7cc4/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 21e14c4abf3c8c626ff1e4d64bac7246a96ab8c19ab8b6f263006a7e1f8fc191 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:01:02,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:01:02,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:01:02,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:01:02,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:01:02,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:01:02,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:01:02,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:01:02,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:01:02,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:01:02,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:01:02,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:01:02,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:01:02,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:01:02,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:01:02,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:01:02,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:01:02,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:01:02,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:01:02,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:01:02,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:01:02,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:01:02,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:01:02,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:01:02,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:01:02,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:01:02,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:01:02,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:01:02,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:01:02,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:01:02,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:01:02,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:01:02,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:01:02,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:01:02,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:01:02,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:01:02,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:01:02,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:01:02,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:01:02,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:01:02,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:01:02,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 15:01:02,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:01:02,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:01:02,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:01:02,549 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:01:02,549 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:01:02,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:01:02,550 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:01:02,550 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:01:02,550 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:01:02,551 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:01:02,551 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:01:02,551 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:01:02,552 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:01:02,552 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:01:02,552 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:01:02,553 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:01:02,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:01:02,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:01:02,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:01:02,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:01:02,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:01:02,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:01:02,555 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:01:02,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:01:02,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:01:02,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:01:02,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:01:02,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:01:02,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:01:02,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:01:02,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:01:02,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:01:02,558 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:01:02,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:01:02,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:01:02,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:01:02,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:01:02,559 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_50b6300c-a56a-4663-be09-ce7067ff7cc4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e14c4abf3c8c626ff1e4d64bac7246a96ab8c19ab8b6f263006a7e1f8fc191 [2021-11-19 15:01:02,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:01:02,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:01:02,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:01:02,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:01:02,949 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:01:02,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i [2021-11-19 15:01:03,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/data/a8bb46264/fa9627906ca4456daaf65e78335b50b1/FLAG2c2c4e0a1 [2021-11-19 15:01:04,225 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:01:04,226 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i [2021-11-19 15:01:04,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/data/a8bb46264/fa9627906ca4456daaf65e78335b50b1/FLAG2c2c4e0a1 [2021-11-19 15:01:04,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/data/a8bb46264/fa9627906ca4456daaf65e78335b50b1 [2021-11-19 15:01:04,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:01:04,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:01:04,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:01:04,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:01:04,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:01:04,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:04" (1/1) ... [2021-11-19 15:01:04,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a435f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:04, skipping insertion in model container [2021-11-19 15:01:04,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:04" (1/1) ... [2021-11-19 15:01:04,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:01:04,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:01:05,162 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_50b6300c-a56a-4663-be09-ce7067ff7cc4/sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i[4504,4517] [2021-11-19 15:01:05,173 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_50b6300c-a56a-4663-be09-ce7067ff7cc4/sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i[4564,4577] [2021-11-19 15:01:05,210 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 15:01:05,221 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 15:01:06,490 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:06,502 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:06,503 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:06,504 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:06,506 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:06,526 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:06,527 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:06,532 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:06,533 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:07,062 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 15:01:07,063 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 15:01:07,065 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 15:01:07,067 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 15:01:07,069 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 15:01:07,070 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 15:01:07,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 15:01:07,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 15:01:07,072 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 15:01:07,073 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 15:01:07,311 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 15:01:07,458 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:07,458 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:07,526 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:01:07,601 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 15:01:07,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@468ec36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:07, skipping insertion in model container [2021-11-19 15:01:07,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:01:07,604 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:01:07,607 INFO L158 Benchmark]: Toolchain (without parser) took 3048.03ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 76.3MB in the beginning and 99.6MB in the end (delta: -23.3MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2021-11-19 15:01:07,608 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 104.9MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:01:07,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3044.46ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 76.0MB in the beginning and 99.6MB in the end (delta: -23.6MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2021-11-19 15:01:07,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 104.9MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3044.46ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 76.0MB in the beginning and 99.6MB in the end (delta: -23.6MB). Peak memory consumption was 42.0MB. 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_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/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_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/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_50b6300c-a56a-4663-be09-ce7067ff7cc4/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 21e14c4abf3c8c626ff1e4d64bac7246a96ab8c19ab8b6f263006a7e1f8fc191 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:01:10,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:01:10,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:01:10,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:01:10,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:01:10,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:01:10,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:01:10,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:01:10,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:01:10,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:01:10,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:01:10,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:01:10,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:01:10,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:01:10,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:01:10,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:01:10,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:01:10,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:01:10,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:01:10,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:01:10,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:01:10,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:01:10,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:01:10,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:01:10,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:01:10,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:01:10,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:01:10,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:01:10,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:01:10,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:01:10,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:01:10,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:01:10,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:01:10,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:01:10,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:01:10,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:01:10,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:01:10,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:01:10,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:01:10,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:01:10,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:01:10,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 15:01:10,576 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:01:10,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:01:10,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:01:10,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:01:10,579 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:01:10,580 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:01:10,580 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:01:10,581 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:01:10,581 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:01:10,581 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:01:10,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:01:10,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:01:10,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:01:10,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:01:10,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:01:10,586 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:01:10,587 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:01:10,587 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:01:10,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:01:10,588 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:01:10,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:01:10,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:01:10,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:01:10,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:01:10,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:01:10,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:01:10,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:01:10,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:01:10,591 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:01:10,591 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:01:10,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:01:10,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:01:10,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:01:10,593 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_50b6300c-a56a-4663-be09-ce7067ff7cc4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e14c4abf3c8c626ff1e4d64bac7246a96ab8c19ab8b6f263006a7e1f8fc191 [2021-11-19 15:01:11,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:01:11,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:01:11,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:01:11,126 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:01:11,127 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:01:11,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i [2021-11-19 15:01:11,212 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/data/0f17d7cf7/e7b59827329a474190f7e8b35bf0d7a2/FLAGa46632c6e [2021-11-19 15:01:12,296 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:01:12,297 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i [2021-11-19 15:01:12,356 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/data/0f17d7cf7/e7b59827329a474190f7e8b35bf0d7a2/FLAGa46632c6e [2021-11-19 15:01:12,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/data/0f17d7cf7/e7b59827329a474190f7e8b35bf0d7a2 [2021-11-19 15:01:12,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:01:12,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:01:12,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:01:12,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:01:12,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:01:12,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:12" (1/1) ... [2021-11-19 15:01:12,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efc9bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:12, skipping insertion in model container [2021-11-19 15:01:12,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:12" (1/1) ... [2021-11-19 15:01:12,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:01:12,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:01:13,175 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_50b6300c-a56a-4663-be09-ce7067ff7cc4/sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i[4504,4517] [2021-11-19 15:01:13,185 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_50b6300c-a56a-4663-be09-ce7067ff7cc4/sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i[4564,4577] [2021-11-19 15:01:13,221 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 15:01:13,233 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 15:01:14,399 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:14,400 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:14,401 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:14,402 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:14,403 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:14,431 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:14,432 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:14,434 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:14,435 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:14,970 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 15:01:14,972 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 15:01:14,973 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 15:01:14,975 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 15:01:14,976 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 15:01:14,977 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 15:01:14,978 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 15:01:14,979 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 15:01:14,980 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 15:01:14,980 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 15:01:15,203 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 15:01:15,379 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:15,379 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:15,487 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:01:15,602 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 15:01:15,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:01:15,683 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_50b6300c-a56a-4663-be09-ce7067ff7cc4/sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i[4504,4517] [2021-11-19 15:01:15,684 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_50b6300c-a56a-4663-be09-ce7067ff7cc4/sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i[4564,4577] [2021-11-19 15:01:15,685 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 15:01:15,686 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 15:01:15,753 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:15,754 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:15,754 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:15,755 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:15,756 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:15,780 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:15,781 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:15,784 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:15,785 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:15,874 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 15:01:15,875 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 15:01:15,877 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 15:01:15,878 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 15:01:15,883 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 15:01:15,884 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 15:01:15,884 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 15:01:15,885 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 15:01:15,885 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 15:01:15,889 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 15:01:15,936 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 15:01:16,062 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,062 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,104 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:01:16,209 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:01:16,240 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_50b6300c-a56a-4663-be09-ce7067ff7cc4/sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i[4504,4517] [2021-11-19 15:01:16,241 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_50b6300c-a56a-4663-be09-ce7067ff7cc4/sv-benchmarks/c/aws-c-common/aws_byte_cursor_satisfies_pred_harness.i[4564,4577] [2021-11-19 15:01:16,243 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 15:01:16,244 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 15:01:16,310 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,311 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,311 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,312 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,313 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,321 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,322 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,323 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,324 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,365 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 15:01:16,366 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 15:01:16,367 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 15:01:16,368 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 15:01:16,369 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 15:01:16,370 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 15:01:16,371 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 15:01:16,371 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 15:01:16,372 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 15:01:16,373 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 15:01:16,438 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 15:01:16,544 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,545 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 15:01:16,575 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:01:17,123 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:01:17,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17 WrapperNode [2021-11-19 15:01:17,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:01:17,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:01:17,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:01:17,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:01:17,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17" (1/1) ... [2021-11-19 15:01:17,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17" (1/1) ... [2021-11-19 15:01:17,448 INFO L137 Inliner]: procedures = 712, calls = 2616, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 808 [2021-11-19 15:01:17,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:01:17,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:01:17,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:01:17,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:01:17,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17" (1/1) ... [2021-11-19 15:01:17,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17" (1/1) ... [2021-11-19 15:01:17,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17" (1/1) ... [2021-11-19 15:01:17,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17" (1/1) ... [2021-11-19 15:01:17,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17" (1/1) ... [2021-11-19 15:01:17,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17" (1/1) ... [2021-11-19 15:01:17,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17" (1/1) ... [2021-11-19 15:01:17,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:01:17,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:01:17,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:01:17,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:01:17,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17" (1/1) ... [2021-11-19 15:01:17,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:01:17,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:01:17,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:01:17,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:01:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-11-19 15:01:17,752 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-11-19 15:01:17,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~uint8_t~0~TO~C_BOOL [2021-11-19 15:01:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~uint8_t~0~TO~C_BOOL [2021-11-19 15:01:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 15:01:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 15:01:17,753 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 15:01:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 15:01:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 15:01:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 15:01:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 15:01:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 15:01:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_left_trim_pred [2021-11-19 15:01:17,757 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_left_trim_pred [2021-11-19 15:01:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 15:01:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:01:17,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:01:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:01:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:01:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-19 15:01:17,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-19 15:01:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 15:01:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-19 15:01:17,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-19 15:01:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 15:01:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 15:01:17,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 15:01:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:01:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:01:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 15:01:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 15:01:17,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 15:01:18,151 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:01:18,162 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:01:22,230 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:01:22,238 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:01:22,239 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 15:01:22,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:22 BoogieIcfgContainer [2021-11-19 15:01:22,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:01:22,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:01:22,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:01:22,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:01:22,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:01:12" (1/3) ... [2021-11-19 15:01:22,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b717033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:01:22, skipping insertion in model container [2021-11-19 15:01:22,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:17" (2/3) ... [2021-11-19 15:01:22,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b717033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:01:22, skipping insertion in model container [2021-11-19 15:01:22,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:22" (3/3) ... [2021-11-19 15:01:22,251 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_satisfies_pred_harness.i [2021-11-19 15:01:22,258 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:01:22,258 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 15:01:22,317 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:01:22,324 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 15:01:22,325 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 15:01:22,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 64 states have (on average 1.234375) internal successors, (79), 65 states have internal predecessors, (79), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-19 15:01:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-19 15:01:22,368 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:01:22,369 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:01:22,370 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:01:22,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:01:22,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1362767803, now seen corresponding path program 1 times [2021-11-19 15:01:22,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:01:22,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015737561] [2021-11-19 15:01:22,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:01:22,405 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:01:22,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:01:22,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:01:22,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:01:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:01:23,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 15:01:23,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:01:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-19 15:01:23,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:01:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-19 15:01:23,811 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:01:23,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015737561] [2021-11-19 15:01:23,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015737561] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:01:23,812 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:01:23,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 15:01:23,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631522087] [2021-11-19 15:01:23,836 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:01:23,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 15:01:23,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:01:23,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 15:01:23,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 15:01:23,877 INFO L87 Difference]: Start difference. First operand has 96 states, 64 states have (on average 1.234375) internal successors, (79), 65 states have internal predecessors, (79), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 15:01:23,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:01:23,919 INFO L93 Difference]: Finished difference Result 188 states and 255 transitions. [2021-11-19 15:01:23,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 15:01:23,922 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2021-11-19 15:01:23,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:01:23,933 INFO L225 Difference]: With dead ends: 188 [2021-11-19 15:01:23,933 INFO L226 Difference]: Without dead ends: 87 [2021-11-19 15:01:23,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 15:01:23,942 INFO L933 BasicCegarLoop]: 120 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, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 15:01:23,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:01:23,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-19 15:01:23,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-11-19 15:01:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 57 states have (on average 1.1754385964912282) internal successors, (67), 58 states have internal predecessors, (67), 22 states have call successors, (22), 8 states have call predecessors, (22), 7 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-19 15:01:23,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 109 transitions. [2021-11-19 15:01:24,001 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 109 transitions. Word has length 61 [2021-11-19 15:01:24,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:01:24,002 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 109 transitions. [2021-11-19 15:01:24,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 15:01:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 109 transitions. [2021-11-19 15:01:24,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-19 15:01:24,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:01:24,008 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:01:24,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 15:01:24,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:01:24,233 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:01:24,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:01:24,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1915487010, now seen corresponding path program 1 times [2021-11-19 15:01:24,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:01:24,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518358045] [2021-11-19 15:01:24,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:01:24,238 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:01:24,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:01:24,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:01:24,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:01:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:01:25,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 15:01:25,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:01:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-19 15:01:25,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:01:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-19 15:01:25,966 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:01:25,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518358045] [2021-11-19 15:01:25,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518358045] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:01:25,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:01:25,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-11-19 15:01:25,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264298812] [2021-11-19 15:01:25,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:01:25,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:01:25,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:01:25,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:01:25,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:01:25,972 INFO L87 Difference]: Start difference. First operand 87 states and 109 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 15:01:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:01:26,222 INFO L93 Difference]: Finished difference Result 157 states and 202 transitions. [2021-11-19 15:01:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 15:01:26,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2021-11-19 15:01:26,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:01:26,228 INFO L225 Difference]: With dead ends: 157 [2021-11-19 15:01:26,228 INFO L226 Difference]: Without dead ends: 90 [2021-11-19 15:01:26,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:01:26,233 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 28 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 15:01:26,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 341 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 15:01:26,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-11-19 15:01:26,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2021-11-19 15:01:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 61 states have internal predecessors, (69), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (24), 20 states have call predecessors, (24), 20 states have call successors, (24) [2021-11-19 15:01:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2021-11-19 15:01:26,280 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 115 transitions. Word has length 63 [2021-11-19 15:01:26,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:01:26,281 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 115 transitions. [2021-11-19 15:01:26,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 15:01:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2021-11-19 15:01:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-19 15:01:26,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:01:26,291 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2021-11-19 15:01:26,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 15:01:26,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:01:26,514 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:01:26,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:01:26,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2000047271, now seen corresponding path program 1 times [2021-11-19 15:01:26,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:01:26,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104806777] [2021-11-19 15:01:26,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:01:26,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:01:26,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:01:26,525 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:01:26,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:01:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:01:27,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 1435 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 15:01:27,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:01:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-19 15:01:28,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:01:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-19 15:01:28,405 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:01:28,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104806777] [2021-11-19 15:01:28,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104806777] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:01:28,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:01:28,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 8 [2021-11-19 15:01:28,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76104667] [2021-11-19 15:01:28,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:01:28,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 15:01:28,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:01:28,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 15:01:28,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-19 15:01:28,408 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. Second operand has 8 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-19 15:01:28,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:01:28,719 INFO L93 Difference]: Finished difference Result 150 states and 191 transitions. [2021-11-19 15:01:28,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 15:01:28,721 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2021-11-19 15:01:28,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:01:28,723 INFO L225 Difference]: With dead ends: 150 [2021-11-19 15:01:28,723 INFO L226 Difference]: Without dead ends: 90 [2021-11-19 15:01:28,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-19 15:01:28,725 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 54 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:01:28,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 513 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 15:01:28,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-11-19 15:01:28,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2021-11-19 15:01:28,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 61 states have internal predecessors, (69), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2021-11-19 15:01:28,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 112 transitions. [2021-11-19 15:01:28,738 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 112 transitions. Word has length 65 [2021-11-19 15:01:28,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:01:28,739 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 112 transitions. [2021-11-19 15:01:28,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-19 15:01:28,740 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2021-11-19 15:01:28,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-19 15:01:28,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:01:28,742 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:01:28,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:01:28,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:01:28,965 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:01:28,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:01:28,966 INFO L85 PathProgramCache]: Analyzing trace with hash -2115352711, now seen corresponding path program 1 times [2021-11-19 15:01:28,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:01:28,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711687013] [2021-11-19 15:01:28,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:01:28,968 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:01:28,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:01:28,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:01:28,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:01:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:01:30,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 1443 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-19 15:01:30,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:01:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 15:01:35,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:01:50,944 WARN L227 SmtUtils]: Spent 10.11s 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 15:01:50,955 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-19 15:01:50,957 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 128 treesize of output 771 [2021-11-19 15:13:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 15:13:30,905 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:13:30,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711687013] [2021-11-19 15:13:30,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [711687013] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:13:30,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1652148436] [2021-11-19 15:13:30,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:13:30,910 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:13:30,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:13:30,914 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:13:30,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-11-19 15:13:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:13:35,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 1443 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 15:13:35,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:13:36,308 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-19 15:13:36,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:13:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-19 15:13:36,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1652148436] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:13:36,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 15:13:36,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18, 16, 8] total 34 [2021-11-19 15:13:36,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219527593] [2021-11-19 15:13:36,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:13:36,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 15:13:36,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:13:36,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 15:13:36,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1025, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 15:13:36,713 INFO L87 Difference]: Start difference. First operand 90 states and 112 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-19 15:13:36,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:13:36,951 INFO L93 Difference]: Finished difference Result 102 states and 129 transitions. [2021-11-19 15:13:36,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 15:13:36,952 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 69 [2021-11-19 15:13:36,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:13:36,954 INFO L225 Difference]: With dead ends: 102 [2021-11-19 15:13:36,954 INFO L226 Difference]: Without dead ends: 100 [2021-11-19 15:13:36,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 232 SyntacticMatches, 8 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=107, Invalid=1153, Unknown=0, NotChecked=0, Total=1260 [2021-11-19 15:13:36,956 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 17 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:13:36,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 727 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 15:13:36,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-11-19 15:13:36,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2021-11-19 15:13:36,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 65 states have (on average 1.1538461538461537) internal successors, (75), 68 states have internal predecessors, (75), 23 states have call successors, (23), 9 states have call predecessors, (23), 10 states have return successors, (28), 21 states have call predecessors, (28), 21 states have call successors, (28) [2021-11-19 15:13:36,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 126 transitions. [2021-11-19 15:13:36,968 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 126 transitions. Word has length 69 [2021-11-19 15:13:36,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:13:36,969 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 126 transitions. [2021-11-19 15:13:36,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-19 15:13:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2021-11-19 15:13:36,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-19 15:13:36,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:13:36,972 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-19 15:13:36,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 15:13:37,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2021-11-19 15:13:37,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 15:13:37,381 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:13:37,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:13:37,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1843104703, now seen corresponding path program 1 times [2021-11-19 15:13:37,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:13:37,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873960350] [2021-11-19 15:13:37,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:13:37,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:13:37,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:13:37,385 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:13:37,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b6300c-a56a-4663-be09-ce7067ff7cc4/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 15:13:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:13:38,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-19 15:13:38,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:13:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-19 15:13:40,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:13:53,096 WARN L227 SmtUtils]: Spent 9.25s 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 15:13:53,098 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-19 15:13:53,099 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 128 treesize of output 771