./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8 --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 f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:31:11,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:31:11,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:31:12,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:31:12,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:31:12,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:31:12,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:31:12,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:31:12,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:31:12,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:31:12,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:31:12,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:31:12,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:31:12,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:31:12,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:31:12,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:31:12,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:31:12,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:31:12,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:31:12,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:31:12,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:31:12,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:31:12,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:31:12,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:31:12,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:31:12,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:31:12,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:31:12,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:31:12,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:31:12,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:31:12,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:31:12,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:31:12,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:31:12,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:31:12,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:31:12,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:31:12,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:31:12,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:31:12,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:31:12,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:31:12,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:31:12,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:31:12,175 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:31:12,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:31:12,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:31:12,177 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:31:12,177 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:31:12,177 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:31:12,178 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:31:12,178 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:31:12,178 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:31:12,178 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:31:12,179 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:31:12,179 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:31:12,179 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:31:12,179 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:31:12,180 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:31:12,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:31:12,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:31:12,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:31:12,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:31:12,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:31:12,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:31:12,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:31:12,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:31:12,183 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:31:12,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:31:12,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:31:12,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:31:12,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:31:12,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:31:12,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:31:12,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:31:12,185 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:31:12,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:31:12,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:31:12,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:31:12,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:31:12,186 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_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 [2021-11-07 01:31:12,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:31:12,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:31:12,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:31:12,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:31:12,566 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:31:12,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2021-11-07 01:31:12,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/data/772ec6f38/3d2adc7b5ecb4c799a662028ddeb77f6/FLAG46759d486 [2021-11-07 01:31:13,782 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:31:13,783 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2021-11-07 01:31:13,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/data/772ec6f38/3d2adc7b5ecb4c799a662028ddeb77f6/FLAG46759d486 [2021-11-07 01:31:14,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/data/772ec6f38/3d2adc7b5ecb4c799a662028ddeb77f6 [2021-11-07 01:31:14,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:31:14,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:31:14,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:14,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:31:14,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:31:14,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:14" (1/1) ... [2021-11-07 01:31:14,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79dd533b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:14, skipping insertion in model container [2021-11-07 01:31:14,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:14" (1/1) ... [2021-11-07 01:31:14,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:31:14,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:31:14,678 WARN L228 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_379942bc-12c8-4e08-aed3-f8bace31f0ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2021-11-07 01:31:14,687 WARN L228 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_379942bc-12c8-4e08-aed3-f8bace31f0ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2021-11-07 01:31:14,710 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:31:14,715 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:31:15,795 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:15,796 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:15,797 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:15,798 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:15,800 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:15,822 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:15,828 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:15,831 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:15,845 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:16,546 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:31:16,548 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:31:16,549 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:31:16,553 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:31:16,557 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:31:16,558 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:31:16,565 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:31:16,567 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:31:16,568 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:31:16,571 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:31:16,868 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:31:17,127 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:17,129 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:17,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:31:17,337 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) [2021-11-07 01:31:17,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5525b48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:17, skipping insertion in model container [2021-11-07 01:31:17,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:17,344 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:31:17,347 INFO L168 Benchmark]: Toolchain (without parser) took 3227.94 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 36.9 MB in the beginning and 74.2 MB in the end (delta: -37.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:31:17,350 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 62.4 MB in the beginning and 62.3 MB in the end (delta: 69.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:31:17,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3221.02 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 36.7 MB in the beginning and 74.2 MB in the end (delta: -37.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:31:17,354 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 62.4 MB in the beginning and 62.3 MB in the end (delta: 69.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3221.02 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 36.7 MB in the beginning and 74.2 MB in the end (delta: -37.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * 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_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8 --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 f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:31:20,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:31:20,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:31:20,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:31:20,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:31:20,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:31:20,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:31:20,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:31:20,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:31:20,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:31:20,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:31:20,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:31:20,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:31:20,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:31:20,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:31:20,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:31:20,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:31:20,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:31:20,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:31:20,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:31:20,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:31:20,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:31:20,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:31:20,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:31:20,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:31:20,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:31:20,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:31:20,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:31:20,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:31:20,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:31:20,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:31:20,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:31:20,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:31:20,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:31:20,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:31:20,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:31:20,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:31:20,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:31:20,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:31:20,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:31:20,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:31:20,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:31:20,605 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:31:20,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:31:20,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:31:20,607 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:31:20,608 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:31:20,608 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:31:20,608 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:31:20,609 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:31:20,609 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:31:20,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:31:20,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:31:20,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:31:20,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:31:20,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:31:20,613 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:31:20,614 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:31:20,614 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:31:20,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:31:20,614 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:31:20,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:31:20,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:31:20,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:31:20,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:31:20,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:31:20,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:31:20,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:31:20,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:31:20,617 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:31:20,617 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:31:20,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:31:20,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:31:20,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:31:20,618 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_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 [2021-11-07 01:31:21,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:31:21,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:31:21,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:31:21,081 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:31:21,082 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:31:21,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2021-11-07 01:31:21,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/data/9ae5a315f/d56273103e5d4cd3bab2087bb9df436d/FLAG13f681e58 [2021-11-07 01:31:22,357 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:31:22,359 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2021-11-07 01:31:22,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/data/9ae5a315f/d56273103e5d4cd3bab2087bb9df436d/FLAG13f681e58 [2021-11-07 01:31:22,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/data/9ae5a315f/d56273103e5d4cd3bab2087bb9df436d [2021-11-07 01:31:22,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:31:22,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:31:22,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:22,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:31:22,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:31:22,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:22" (1/1) ... [2021-11-07 01:31:22,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e84667d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:22, skipping insertion in model container [2021-11-07 01:31:22,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:31:22" (1/1) ... [2021-11-07 01:31:22,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:31:22,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:31:23,260 WARN L228 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_379942bc-12c8-4e08-aed3-f8bace31f0ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2021-11-07 01:31:23,269 WARN L228 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_379942bc-12c8-4e08-aed3-f8bace31f0ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2021-11-07 01:31:23,300 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:31:23,308 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:31:24,487 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:24,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:24,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:24,490 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:24,491 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:24,515 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:24,518 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:24,522 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:24,523 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,068 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:31:25,070 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:31:25,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:31:25,072 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:31:25,074 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:31:25,075 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:31:25,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:31:25,077 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:31:25,078 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:31:25,078 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:31:25,328 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:31:25,501 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,502 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:31:25,691 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:31:25,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:31:25,788 WARN L228 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_379942bc-12c8-4e08-aed3-f8bace31f0ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2021-11-07 01:31:25,789 WARN L228 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_379942bc-12c8-4e08-aed3-f8bace31f0ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2021-11-07 01:31:25,792 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:31:25,793 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:31:25,867 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,871 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,871 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,872 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,873 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,895 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,897 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,899 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,900 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:25,977 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:31:25,978 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:31:25,979 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:31:25,980 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:31:25,981 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:31:25,982 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:31:25,982 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:31:25,986 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:31:25,987 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:31:25,988 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:31:26,035 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:31:26,149 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,150 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:31:26,258 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:31:26,284 WARN L228 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_379942bc-12c8-4e08-aed3-f8bace31f0ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2021-11-07 01:31:26,291 WARN L228 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_379942bc-12c8-4e08-aed3-f8bace31f0ae/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2021-11-07 01:31:26,293 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 01:31:26,294 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 01:31:26,363 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,363 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,364 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,365 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,365 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,374 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,375 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,376 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,377 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,423 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 01:31:26,424 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 01:31:26,424 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 01:31:26,425 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 01:31:26,426 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 01:31:26,427 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 01:31:26,428 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 01:31:26,428 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 01:31:26,429 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 01:31:26,429 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 01:31:26,459 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 01:31:26,654 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,655 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 01:31:26,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:31:27,174 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:31:27,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27 WrapperNode [2021-11-07 01:31:27,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:31:27,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:31:27,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:31:27,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:31:27,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27" (1/1) ... [2021-11-07 01:31:27,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27" (1/1) ... [2021-11-07 01:31:27,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:31:27,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:31:27,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:31:27,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:31:27,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27" (1/1) ... [2021-11-07 01:31:27,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27" (1/1) ... [2021-11-07 01:31:27,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27" (1/1) ... [2021-11-07 01:31:27,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27" (1/1) ... [2021-11-07 01:31:27,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27" (1/1) ... [2021-11-07 01:31:27,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27" (1/1) ... [2021-11-07 01:31:27,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27" (1/1) ... [2021-11-07 01:31:27,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:31:27,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:31:27,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:31:27,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:31:27,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27" (1/1) ... [2021-11-07 01:31:27,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:31:27,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:31:27,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:31:27,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:31:27,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:31:27,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:31:27,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:31:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:31:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:31:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:31:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:31:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:31:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:31:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:31:27,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:31:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:31:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:31:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:31:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:31:47,339 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:31:47,340 INFO L299 CfgBuilder]: Removed 58 assume(true) statements. [2021-11-07 01:31:47,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:31:47 BoogieIcfgContainer [2021-11-07 01:31:47,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:31:47,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:31:47,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:31:47,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:31:47,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:31:22" (1/3) ... [2021-11-07 01:31:47,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fecfe41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:31:47, skipping insertion in model container [2021-11-07 01:31:47,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:31:27" (2/3) ... [2021-11-07 01:31:47,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fecfe41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:31:47, skipping insertion in model container [2021-11-07 01:31:47,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:31:47" (3/3) ... [2021-11-07 01:31:47,357 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_advance_harness.i [2021-11-07 01:31:47,365 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:31:47,365 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-07 01:31:47,450 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:31:47,459 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 [2021-11-07 01:31:47,460 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-07 01:31:47,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 116 states have (on average 1.4913793103448276) internal successors, (173), 126 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:31:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:31:47,497 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:31:47,498 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:31:47,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:31:47,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:31:47,513 INFO L85 PathProgramCache]: Analyzing trace with hash -443327314, now seen corresponding path program 1 times [2021-11-07 01:31:47,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:31:47,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792361159] [2021-11-07 01:31:47,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:31:47,548 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:31:47,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:31:47,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:31:47,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:31:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:31:52,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 1772 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:31:52,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:31:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:53,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:31:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:53,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:31:53,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792361159] [2021-11-07 01:31:53,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792361159] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:31:53,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:31:53,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:31:53,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089773570] [2021-11-07 01:31:53,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:31:53,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:31:53,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:31:53,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:31:53,323 INFO L87 Difference]: Start difference. First operand has 127 states, 116 states have (on average 1.4913793103448276) internal successors, (173), 126 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:31:53,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:31:53,393 INFO L93 Difference]: Finished difference Result 249 states and 339 transitions. [2021-11-07 01:31:53,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:31:53,395 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:31:53,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:31:53,411 INFO L225 Difference]: With dead ends: 249 [2021-11-07 01:31:53,411 INFO L226 Difference]: Without dead ends: 119 [2021-11-07 01:31:53,416 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:31:53,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-11-07 01:31:53,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-11-07 01:31:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 109 states have (on average 1.3577981651376148) internal successors, (148), 118 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:31:53,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 148 transitions. [2021-11-07 01:31:53,497 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 148 transitions. Word has length 26 [2021-11-07 01:31:53,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:31:53,498 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 148 transitions. [2021-11-07 01:31:53,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:31:53,499 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 148 transitions. [2021-11-07 01:31:53,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:31:53,500 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:31:53,501 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:31:53,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:31:53,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:31:53,702 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:31:53,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:31:53,703 INFO L85 PathProgramCache]: Analyzing trace with hash -836354324, now seen corresponding path program 1 times [2021-11-07 01:31:53,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:31:53,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393759615] [2021-11-07 01:31:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:31:53,714 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:31:53,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:31:53,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:31:53,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:31:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:31:59,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 1772 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:31:59,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:31:59,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:59,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:31:59,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:31:59,534 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:31:59,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393759615] [2021-11-07 01:31:59,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393759615] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:31:59,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:31:59,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:31:59,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300087274] [2021-11-07 01:31:59,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:31:59,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:31:59,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:31:59,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:31:59,539 INFO L87 Difference]: Start difference. First operand 119 states and 148 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:31:59,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:31:59,996 INFO L93 Difference]: Finished difference Result 220 states and 272 transitions. [2021-11-07 01:32:00,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:32:00,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:32:00,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:32:00,002 INFO L225 Difference]: With dead ends: 220 [2021-11-07 01:32:00,003 INFO L226 Difference]: Without dead ends: 119 [2021-11-07 01:32:00,004 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:32:00,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-11-07 01:32:00,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-11-07 01:32:00,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 118 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 146 transitions. [2021-11-07 01:32:00,017 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 146 transitions. Word has length 26 [2021-11-07 01:32:00,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:32:00,017 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 146 transitions. [2021-11-07 01:32:00,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:00,018 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2021-11-07 01:32:00,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 01:32:00,019 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:32:00,019 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:32:00,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:32:00,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:32:00,246 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:32:00,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:32:00,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1924042484, now seen corresponding path program 1 times [2021-11-07 01:32:00,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:32:00,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1316811581] [2021-11-07 01:32:00,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:32:00,267 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:32:00,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:32:00,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:32:00,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:32:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:32:05,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:32:05,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:32:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:06,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:32:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:06,385 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:32:06,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1316811581] [2021-11-07 01:32:06,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1316811581] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:32:06,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:32:06,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:32:06,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674806995] [2021-11-07 01:32:06,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:32:06,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:32:06,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:32:06,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:32:06,388 INFO L87 Difference]: Start difference. First operand 119 states and 146 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:09,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:32:09,079 INFO L93 Difference]: Finished difference Result 263 states and 315 transitions. [2021-11-07 01:32:09,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:32:09,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-07 01:32:09,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:32:09,095 INFO L225 Difference]: With dead ends: 263 [2021-11-07 01:32:09,095 INFO L226 Difference]: Without dead ends: 196 [2021-11-07 01:32:09,096 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:32:09,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-07 01:32:09,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 121. [2021-11-07 01:32:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 120 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 148 transitions. [2021-11-07 01:32:09,111 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 148 transitions. Word has length 30 [2021-11-07 01:32:09,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:32:09,111 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 148 transitions. [2021-11-07 01:32:09,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:09,112 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 148 transitions. [2021-11-07 01:32:09,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 01:32:09,114 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:32:09,114 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:32:09,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:32:09,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:32:09,315 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:32:09,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:32:09,316 INFO L85 PathProgramCache]: Analyzing trace with hash -149035122, now seen corresponding path program 1 times [2021-11-07 01:32:09,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:32:09,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281648690] [2021-11-07 01:32:09,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:32:09,324 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:32:09,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:32:09,326 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:32:09,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:32:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:32:14,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 1783 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:32:14,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:32:14,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:14,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:32:14,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:14,909 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:32:14,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281648690] [2021-11-07 01:32:14,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [281648690] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:32:14,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:32:14,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:32:14,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469792932] [2021-11-07 01:32:14,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:32:14,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:32:14,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:32:14,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:32:14,912 INFO L87 Difference]: Start difference. First operand 121 states and 148 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:17,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:32:17,043 INFO L93 Difference]: Finished difference Result 199 states and 242 transitions. [2021-11-07 01:32:17,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:32:17,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-07 01:32:17,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:32:17,060 INFO L225 Difference]: With dead ends: 199 [2021-11-07 01:32:17,061 INFO L226 Difference]: Without dead ends: 122 [2021-11-07 01:32:17,062 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:32:17,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-07 01:32:17,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-07 01:32:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 112 states have (on average 1.3303571428571428) internal successors, (149), 121 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:17,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 149 transitions. [2021-11-07 01:32:17,072 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 149 transitions. Word has length 30 [2021-11-07 01:32:17,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:32:17,073 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 149 transitions. [2021-11-07 01:32:17,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:17,073 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 149 transitions. [2021-11-07 01:32:17,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 01:32:17,075 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:32:17,075 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:32:17,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 01:32:17,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:32:17,281 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:32:17,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:32:17,281 INFO L85 PathProgramCache]: Analyzing trace with hash -958381748, now seen corresponding path program 1 times [2021-11-07 01:32:17,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:32:17,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300426911] [2021-11-07 01:32:17,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:32:17,290 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:32:17,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:32:17,291 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:32:17,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:32:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:32:22,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:32:22,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:32:22,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:22,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:32:22,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:22,704 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:32:22,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300426911] [2021-11-07 01:32:22,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300426911] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:32:22,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:32:22,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:32:22,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65021350] [2021-11-07 01:32:22,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:32:22,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:32:22,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:32:22,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:32:22,706 INFO L87 Difference]: Start difference. First operand 122 states and 149 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:24,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:32:24,463 INFO L93 Difference]: Finished difference Result 189 states and 226 transitions. [2021-11-07 01:32:24,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:32:24,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-07 01:32:24,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:32:24,469 INFO L225 Difference]: With dead ends: 189 [2021-11-07 01:32:24,469 INFO L226 Difference]: Without dead ends: 122 [2021-11-07 01:32:24,470 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:32:24,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-07 01:32:24,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2021-11-07 01:32:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 110 states have (on average 1.3272727272727274) internal successors, (146), 119 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:24,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 146 transitions. [2021-11-07 01:32:24,478 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 146 transitions. Word has length 30 [2021-11-07 01:32:24,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:32:24,478 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 146 transitions. [2021-11-07 01:32:24,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:24,479 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 146 transitions. [2021-11-07 01:32:24,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 01:32:24,480 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:32:24,480 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:32:24,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:32:24,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:32:24,697 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:32:24,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:32:24,697 INFO L85 PathProgramCache]: Analyzing trace with hash 434837223, now seen corresponding path program 1 times [2021-11-07 01:32:24,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:32:24,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681015739] [2021-11-07 01:32:24,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:32:24,701 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:32:24,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:32:24,702 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:32:24,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:32:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:32:29,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 1784 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:32:29,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:32:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:29,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:32:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:32:30,050 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:32:30,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681015739] [2021-11-07 01:32:30,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681015739] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:32:30,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:32:30,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-07 01:32:30,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310658556] [2021-11-07 01:32:30,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:32:30,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:32:30,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:32:30,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:32:30,053 INFO L87 Difference]: Start difference. First operand 120 states and 146 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:31,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:32:31,388 INFO L93 Difference]: Finished difference Result 219 states and 258 transitions. [2021-11-07 01:32:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:32:31,389 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-07 01:32:31,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:32:31,393 INFO L225 Difference]: With dead ends: 219 [2021-11-07 01:32:31,393 INFO L226 Difference]: Without dead ends: 213 [2021-11-07 01:32:31,394 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:32:31,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-11-07 01:32:31,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 132. [2021-11-07 01:32:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 122 states have (on average 1.2950819672131149) internal successors, (158), 131 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 158 transitions. [2021-11-07 01:32:31,403 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 158 transitions. Word has length 32 [2021-11-07 01:32:31,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:32:31,403 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 158 transitions. [2021-11-07 01:32:31,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:32:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2021-11-07 01:32:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 01:32:31,405 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:32:31,405 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:32:31,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-07 01:32:31,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:32:31,629 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 01:32:31,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:32:31,629 INFO L85 PathProgramCache]: Analyzing trace with hash -2134165153, now seen corresponding path program 1 times [2021-11-07 01:32:31,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:32:31,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [486722198] [2021-11-07 01:32:31,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:32:31,632 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:32:31,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:32:31,633 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:32:31,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379942bc-12c8-4e08-aed3-f8bace31f0ae/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:32:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:32:58,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 1793 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-07 01:32:58,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:32:59,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:32:59,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:32:59,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:32:59,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:32:59,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:32:59,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:32:59,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:32:59,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:32:59,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:32:59,684 INFO L354 Elim1Store]: treesize reduction 136, result has 29.5 percent of original size [2021-11-07 01:32:59,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 93 treesize of output 145 [2021-11-07 01:33:00,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:00,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:00,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:00,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 511 [2021-11-07 01:33:02,671 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.base| (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 8))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.base|) (bvadd (_ bv8 64) |c_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.offset|) v_DerPreprocessor_2) |c_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.offset| ((_ extract 7 0) (_ bv0 64))) (bvadd (_ bv1 64) |c_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.offset|) ((_ extract 15 8) (_ bv0 64))) (bvadd (_ bv2 64) |c_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.offset|) ((_ extract 23 16) (_ bv0 64))) (bvadd (_ bv3 64) |c_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.offset|) ((_ extract 31 24) (_ bv0 64))) (bvadd (_ bv4 64) |c_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.offset|) ((_ extract 39 32) (_ bv0 64))) (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.offset| (_ bv5 64)) ((_ extract 47 40) (_ bv0 64))) (bvadd (_ bv6 64) |c_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.offset|) ((_ extract 55 48) (_ bv0 64))) (bvadd (_ bv7 64) |c_ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.offset|) ((_ extract 63 56) (_ bv0 64)))) c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset (_ bv7 64))) (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset (_ bv6 64)))) (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset (_ bv5 64)))) (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset (_ bv4 64)))) (select .cse0 (bvadd (_ bv3 64) c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset))) (select .cse0 (bvadd (_ bv2 64) c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset))) (select .cse0 (bvadd (_ bv1 64) c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset))) (select .cse0 c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset))))) is different from false [2021-11-07 01:33:04,822 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.base| (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 8))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.base|) (_ bv8 64) v_DerPreprocessor_2) (_ bv0 64) ((_ extract 7 0) (_ bv0 64))) (_ bv1 64) ((_ extract 15 8) (_ bv0 64))) (_ bv2 64) ((_ extract 23 16) (_ bv0 64))) (_ bv3 64) ((_ extract 31 24) (_ bv0 64))) (_ bv4 64) ((_ extract 39 32) (_ bv0 64))) (_ bv5 64) ((_ extract 47 40) (_ bv0 64))) (_ bv6 64) ((_ extract 55 48) (_ bv0 64))) (_ bv7 64) ((_ extract 63 56) (_ bv0 64)))) c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset (_ bv7 64))) (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset (_ bv6 64)))) (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset (_ bv5 64)))) (select .cse0 (bvadd c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset (_ bv4 64)))) (select .cse0 (bvadd (_ bv3 64) c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset))) (select .cse0 (bvadd (_ bv2 64) c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset))) (select .cse0 (bvadd (_ bv1 64) c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset))) (select .cse0 c_ULTIMATE.start_aws_byte_cursor_advance_~cursor.offset))))) is different from false [2021-11-07 01:33:07,116 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.base| (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 8))) (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |ULTIMATE.start_aws_byte_cursor_advance_~#rv~6.base|) (_ bv8 64) v_DerPreprocessor_2) (_ bv0 64) ((_ extract 7 0) (_ bv0 64))) (_ bv1 64) ((_ extract 15 8) (_ bv0 64))) (_ bv2 64) ((_ extract 23 16) (_ bv0 64))) (_ bv3 64) ((_ extract 31 24) (_ bv0 64))) (_ bv4 64) ((_ extract 39 32) (_ bv0 64))) (_ bv5 64) ((_ extract 47 40) (_ bv0 64))) (_ bv6 64) ((_ extract 55 48) (_ bv0 64))) (_ bv7 64) ((_ extract 63 56) (_ bv0 64)))) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv7 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2.offset|)) (select .cse0 (bvadd (_ bv6 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2.offset|))) (select .cse0 (bvadd |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2.offset| (_ bv5 64)))) (select .cse0 (bvadd (_ bv4 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2.offset|))) (select .cse0 (bvadd (_ bv3 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2.offset|))) (select .cse0 (bvadd (_ bv2 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2.offset|))) (select .cse0 (bvadd (_ bv1 64) |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2.offset|))) (select .cse0 |c_ULTIMATE.start_aws_byte_cursor_advance_harness_~#cursor~2.offset|))))) is different from false