./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:59:56,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:59:56,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:59:56,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:59:56,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:59:56,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:59:56,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:59:56,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:59:56,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:59:56,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:59:56,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:59:56,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:59:56,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:59:56,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:59:56,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:59:56,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:59:56,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:59:56,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:59:56,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:59:56,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:59:56,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:59:56,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:59:56,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:59:56,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:59:56,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:59:56,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:59:56,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:59:56,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:59:56,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:59:56,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:59:56,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:59:56,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:59:56,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:59:56,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:59:56,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:59:56,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:59:56,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:59:56,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:59:56,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:59:56,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:59:56,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:59:56,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:59:56,327 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:59:56,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:59:56,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:59:56,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:59:56,329 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:59:56,330 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:59:56,330 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:59:56,330 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:59:56,330 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:59:56,330 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:59:56,337 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:59:56,338 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:59:56,338 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:59:56,338 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:59:56,338 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:59:56,339 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:59:56,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:59:56,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:59:56,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:59:56,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:59:56,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:59:56,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:59:56,341 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:59:56,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:59:56,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:59:56,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:59:56,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:59:56,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:59:56,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:56,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:59:56,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:59:56,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:59:56,344 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:59:56,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:59:56,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:59:56,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:59:56,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:59:56,345 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_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb [2021-11-19 13:59:56,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:59:56,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:59:56,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:59:56,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:59:56,618 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:59:56,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-19 13:59:56,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/data/2a706f948/3f7debd38dac45539714b9b8a7759874/FLAG15f821043 [2021-11-19 13:59:57,521 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:59:57,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-19 13:59:57,578 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/data/2a706f948/3f7debd38dac45539714b9b8a7759874/FLAG15f821043 [2021-11-19 13:59:57,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/data/2a706f948/3f7debd38dac45539714b9b8a7759874 [2021-11-19 13:59:57,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:59:57,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:59:57,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:57,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:59:57,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:59:57,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:57" (1/1) ... [2021-11-19 13:59:57,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4271a432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:57, skipping insertion in model container [2021-11-19 13:59:57,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:57" (1/1) ... [2021-11-19 13:59:57,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:59:57,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:59:58,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-19 13:59:58,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-19 13:59:58,219 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:59:58,228 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:59:59,398 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:59,399 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:59,399 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:59,400 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:59,401 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:59,423 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:59,426 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:59,431 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:59,441 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:59:59,851 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:59:59,852 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:59:59,854 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:59:59,855 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:59:59,857 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:59:59,858 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:59:59,858 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:59:59,859 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:59:59,860 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:59:59,861 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:00:00,050 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:00:00,145 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:00,145 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:00,258 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:00,306 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:00:00,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22bcd1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:00, skipping insertion in model container [2021-11-19 14:00:00,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:00,307 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:00:00,309 INFO L158 Benchmark]: Toolchain (without parser) took 2603.26ms. Allocated memory was 113.2MB in the beginning and 153.1MB in the end (delta: 39.8MB). Free memory was 71.1MB in the beginning and 109.6MB in the end (delta: -38.4MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2021-11-19 14:00:00,310 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:00:00,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2597.81ms. Allocated memory was 113.2MB in the beginning and 153.1MB in the end (delta: 39.8MB). Free memory was 70.8MB in the beginning and 109.6MB in the end (delta: -38.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-11-19 14:00:00,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2597.81ms. Allocated memory was 113.2MB in the beginning and 153.1MB in the end (delta: 39.8MB). Free memory was 70.8MB in the beginning and 109.6MB in the end (delta: -38.8MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:00:02,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:00:02,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:00:02,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:00:02,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:00:02,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:00:02,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:00:02,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:00:02,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:00:02,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:00:02,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:00:02,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:00:02,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:00:02,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:00:02,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:00:02,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:00:02,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:00:02,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:00:02,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:00:02,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:00:02,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:00:02,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:00:02,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:00:02,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:00:02,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:00:02,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:00:02,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:00:02,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:00:02,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:00:02,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:00:02,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:00:02,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:00:02,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:00:02,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:00:02,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:00:02,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:00:02,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:00:02,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:00:02,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:00:02,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:00:02,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:00:02,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:00:02,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:00:02,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:00:02,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:00:02,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:00:02,711 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:00:02,712 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:00:02,712 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:00:02,712 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:00:02,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:00:02,713 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:00:02,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:00:02,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:00:02,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:00:02,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:00:02,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:00:02,716 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:00:02,716 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:00:02,717 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:00:02,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:00:02,717 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:00:02,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:00:02,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:00:02,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:00:02,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:00:02,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:02,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:00:02,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:00:02,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:00:02,719 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:00:02,719 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:00:02,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:00:02,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:00:02,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:00:02,720 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_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb [2021-11-19 14:00:03,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:00:03,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:00:03,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:00:03,156 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:00:03,157 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:00:03,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-19 14:00:03,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/data/a05d8edd1/2fa4e988d8e141b2a31f2d7bdc968b34/FLAGea434bd85 [2021-11-19 14:00:04,216 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:00:04,217 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2021-11-19 14:00:04,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/data/a05d8edd1/2fa4e988d8e141b2a31f2d7bdc968b34/FLAGea434bd85 [2021-11-19 14:00:04,626 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/data/a05d8edd1/2fa4e988d8e141b2a31f2d7bdc968b34 [2021-11-19 14:00:04,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:00:04,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:00:04,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:04,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:00:04,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:00:04,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:04" (1/1) ... [2021-11-19 14:00:04,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0b6fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:04, skipping insertion in model container [2021-11-19 14:00:04,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:00:04" (1/1) ... [2021-11-19 14:00:04,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:00:04,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:05,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-19 14:00:05,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-19 14:00:05,066 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:00:05,072 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:00:06,176 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:06,179 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:06,181 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:06,182 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:06,184 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:06,203 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:06,207 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:06,211 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:06,212 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:06,685 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:00:06,686 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:00:06,687 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:00:06,689 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:00:06,690 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:00:06,691 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:00:06,692 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:00:06,692 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:00:06,693 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:00:06,694 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:00:06,889 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:00:07,013 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,014 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,131 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:07,220 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:00:07,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:07,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-19 14:00:07,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-19 14:00:07,315 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:00:07,318 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:00:07,404 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,405 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,407 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,408 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,409 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,416 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,430 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,432 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,433 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,469 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:00:07,470 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:00:07,471 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:00:07,472 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:00:07,478 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:00:07,478 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:00:07,481 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:00:07,481 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:00:07,482 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:00:07,484 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:00:07,519 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:00:07,628 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,629 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,664 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:07,734 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:00:07,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2021-11-19 14:00:07,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2021-11-19 14:00:07,761 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 14:00:07,762 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 14:00:07,808 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,808 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,808 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,809 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,809 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,815 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,816 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,817 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,817 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:07,913 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 14:00:07,914 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 14:00:07,915 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 14:00:07,918 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 14:00:07,919 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 14:00:07,920 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 14:00:07,921 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 14:00:07,922 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 14:00:07,922 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 14:00:07,923 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 14:00:07,967 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 14:00:08,094 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:08,095 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 14:00:08,200 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:08,556 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:00:08,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08 WrapperNode [2021-11-19 14:00:08,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:08,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:08,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:00:08,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:00:08,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08" (1/1) ... [2021-11-19 14:00:08,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08" (1/1) ... [2021-11-19 14:00:08,811 INFO L137 Inliner]: procedures = 712, calls = 2633, calls flagged for inlining = 61, calls inlined = 10, statements flattened = 945 [2021-11-19 14:00:08,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:08,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:00:08,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:00:08,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:00:08,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08" (1/1) ... [2021-11-19 14:00:08,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08" (1/1) ... [2021-11-19 14:00:08,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08" (1/1) ... [2021-11-19 14:00:08,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08" (1/1) ... [2021-11-19 14:00:08,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08" (1/1) ... [2021-11-19 14:00:08,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08" (1/1) ... [2021-11-19 14:00:08,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08" (1/1) ... [2021-11-19 14:00:08,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:00:08,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:00:08,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:00:08,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:00:08,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08" (1/1) ... [2021-11-19 14:00:08,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:08,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:08,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:00:09,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:00:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2021-11-19 14:00:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2021-11-19 14:00:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-11-19 14:00:09,041 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-11-19 14:00:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:00:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 14:00:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 14:00:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:00:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:00:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:00:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-19 14:00:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:00:09,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:00:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:00:09,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:00:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:00:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:00:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:00:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:00:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:00:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:00:09,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:00:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:00:09,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:00:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-19 14:00:09,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-19 14:00:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:00:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:00:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:00:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:00:09,044 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 14:00:09,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 14:00:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:00:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:00:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:00:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:00:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:00:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-19 14:00:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-19 14:00:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-19 14:00:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-19 14:00:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-19 14:00:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:00:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:00:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:00:09,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:00:09,415 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:00:09,417 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:00:17,569 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:00:17,577 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:00:17,577 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:00:17,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:00:17 BoogieIcfgContainer [2021-11-19 14:00:17,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:00:17,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:00:17,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:00:17,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:00:17,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:00:04" (1/3) ... [2021-11-19 14:00:17,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f19517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:00:17, skipping insertion in model container [2021-11-19 14:00:17,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:08" (2/3) ... [2021-11-19 14:00:17,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f19517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:00:17, skipping insertion in model container [2021-11-19 14:00:17,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:00:17" (3/3) ... [2021-11-19 14:00:17,591 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_u8_harness.i [2021-11-19 14:00:17,596 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:00:17,596 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:00:17,661 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:00:17,666 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:00:17,667 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:00:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 79 states have (on average 1.240506329113924) internal successors, (98), 80 states have internal predecessors, (98), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-11-19 14:00:17,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-19 14:00:17,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:17,697 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:17,698 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:17,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:17,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1117310367, now seen corresponding path program 1 times [2021-11-19 14:00:17,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:00:17,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875077542] [2021-11-19 14:00:17,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:17,720 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:00:17,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:00:17,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:00:17,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:00:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:18,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 14:00:18,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-19 14:00:18,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:19,228 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-11-19 14:00:19,229 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:00:19,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875077542] [2021-11-19 14:00:19,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875077542] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:00:19,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:00:19,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-19 14:00:19,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485993217] [2021-11-19 14:00:19,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:19,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:00:19,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:00:19,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:00:19,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:00:19,281 INFO L87 Difference]: Start difference. First operand has 127 states, 79 states have (on average 1.240506329113924) internal successors, (98), 80 states have internal predecessors, (98), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 14:00:19,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:19,341 INFO L93 Difference]: Finished difference Result 251 states and 369 transitions. [2021-11-19 14:00:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:00:19,346 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2021-11-19 14:00:19,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:19,362 INFO L225 Difference]: With dead ends: 251 [2021-11-19 14:00:19,362 INFO L226 Difference]: Without dead ends: 121 [2021-11-19 14:00:19,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:00:19,375 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:19,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:00:19,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-11-19 14:00:19,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-11-19 14:00:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 74 states have (on average 1.2162162162162162) internal successors, (90), 75 states have internal predecessors, (90), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-11-19 14:00:19,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 165 transitions. [2021-11-19 14:00:19,455 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 165 transitions. Word has length 107 [2021-11-19 14:00:19,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:19,455 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 165 transitions. [2021-11-19 14:00:19,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 14:00:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 165 transitions. [2021-11-19 14:00:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-19 14:00:19,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:19,467 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:19,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:19,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:00:19,691 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:19,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:19,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2122434847, now seen corresponding path program 1 times [2021-11-19 14:00:19,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:00:19,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538547343] [2021-11-19 14:00:19,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:19,694 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:00:19,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:00:19,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:00:19,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:00:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:20,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 1526 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:00:20,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-11-19 14:00:21,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-11-19 14:00:21,531 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:00:21,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538547343] [2021-11-19 14:00:21,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1538547343] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:00:21,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:00:21,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-11-19 14:00:21,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144339264] [2021-11-19 14:00:21,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:00:21,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:00:21,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:00:21,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:00:21,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:00:21,535 INFO L87 Difference]: Start difference. First operand 121 states and 165 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-19 14:00:21,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:00:21,806 INFO L93 Difference]: Finished difference Result 226 states and 319 transitions. [2021-11-19 14:00:21,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:00:21,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 107 [2021-11-19 14:00:21,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:00:21,815 INFO L225 Difference]: With dead ends: 226 [2021-11-19 14:00:21,815 INFO L226 Difference]: Without dead ends: 124 [2021-11-19 14:00:21,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:00:21,817 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 42 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:00:21,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 389 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:00:21,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-19 14:00:21,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-19 14:00:21,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 76 states have (on average 1.2105263157894737) internal successors, (92), 78 states have internal predecessors, (92), 38 states have call successors, (38), 8 states have call predecessors, (38), 9 states have return successors, (45), 37 states have call predecessors, (45), 37 states have call successors, (45) [2021-11-19 14:00:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2021-11-19 14:00:21,867 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 107 [2021-11-19 14:00:21,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:00:21,870 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2021-11-19 14:00:21,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-19 14:00:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2021-11-19 14:00:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-19 14:00:21,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:00:21,877 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:00:21,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:00:22,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:00:22,092 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:00:22,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:00:22,093 INFO L85 PathProgramCache]: Analyzing trace with hash -924186918, now seen corresponding path program 1 times [2021-11-19 14:00:22,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:00:22,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [912534919] [2021-11-19 14:00:22,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:00:22,095 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:00:22,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:00:22,096 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:00:22,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3007d5-b052-4330-934b-0eb2799f36e7/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:00:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:00:22,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 14:00:22,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:00:23,985 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:00:23,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 99 treesize of output 35 [2021-11-19 14:00:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-19 14:00:24,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:00:25,644 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-11-19 14:00:25,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 129 treesize of output 1 [2021-11-19 14:00:34,806 WARN L227 SmtUtils]: Spent 8.76s on a formula simplification. DAG size of input: 523 DAG size of output: 269 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 14:00:34,812 INFO L354 Elim1Store]: treesize reduction 837, result has 46.8 percent of original size [2021-11-19 14:00:34,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 128 treesize of output 771