./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/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 be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:32:48,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:32:48,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:32:48,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:32:48,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:32:48,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:32:48,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:32:48,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:32:48,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:32:48,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:32:48,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:32:48,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:32:48,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:32:48,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:32:48,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:32:48,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:32:48,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:32:48,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:32:48,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:32:48,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:32:48,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:32:48,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:32:48,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:32:48,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:32:48,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:32:48,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:32:48,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:32:48,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:32:48,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:32:48,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:32:48,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:32:48,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:32:48,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:32:48,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:32:48,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:32:48,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:32:48,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:32:48,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:32:48,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:32:48,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:32:48,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:32:48,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:32:48,490 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:32:48,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:32:48,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:32:48,493 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:32:48,493 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:32:48,493 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:32:48,494 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:32:48,494 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:32:48,501 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:32:48,501 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:32:48,502 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:32:48,503 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:32:48,503 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:32:48,503 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:32:48,503 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:32:48,503 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:32:48,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:32:48,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:32:48,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:32:48,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:32:48,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:32:48,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:32:48,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:32:48,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:32:48,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:32:48,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:32:48,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:32:48,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:32:48,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:32:48,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:32:48,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:32:48,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:32:48,508 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:32:48,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:32:48,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:32:48,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:32:48,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:32:48,509 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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2021-11-19 13:32:48,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:32:48,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:32:48,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:32:48,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:32:48,856 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:32:48,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-19 13:32:48,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/data/7ade209c7/5b62e2d730e64001a3c1e114b948dda7/FLAG48e6e83e1 [2021-11-19 13:32:49,777 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:32:49,777 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-19 13:32:49,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/data/7ade209c7/5b62e2d730e64001a3c1e114b948dda7/FLAG48e6e83e1 [2021-11-19 13:32:49,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/data/7ade209c7/5b62e2d730e64001a3c1e114b948dda7 [2021-11-19 13:32:49,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:32:49,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:32:49,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:32:49,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:32:49,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:32:49,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:32:49" (1/1) ... [2021-11-19 13:32:49,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503df6b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:49, skipping insertion in model container [2021-11-19 13:32:49,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:32:49" (1/1) ... [2021-11-19 13:32:49,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:32:50,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:32:50,360 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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-19 13:32:50,366 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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-19 13:32:50,390 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:32:50,395 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:32:51,387 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,389 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,390 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,392 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,394 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,421 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,422 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,424 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,425 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,427 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,428 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,429 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,430 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:51,823 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:32:51,824 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:32:51,825 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:32:51,827 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:32:51,829 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:32:51,830 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:32:51,831 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:32:51,832 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:32:51,834 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:32:51,834 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:32:52,015 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:32:52,040 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:32:52,062 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 13:32:52,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@282ddaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:52, skipping insertion in model container [2021-11-19 13:32:52,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:32:52,064 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:32:52,069 INFO L158 Benchmark]: Toolchain (without parser) took 2192.10ms. Allocated memory is still 107.0MB. Free memory was 61.1MB in the beginning and 51.6MB in the end (delta: 9.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-19 13:32:52,070 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:32:52,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2189.25ms. Allocated memory is still 107.0MB. Free memory was 60.9MB in the beginning and 51.6MB in the end (delta: 9.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-19 13:32:52,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2189.25ms. Allocated memory is still 107.0MB. Free memory was 60.9MB in the beginning and 51.6MB in the end (delta: 9.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7034]: 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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/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 be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:32:54,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:32:54,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:32:54,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:32:54,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:32:54,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:32:54,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:32:54,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:32:54,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:32:54,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:32:54,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:32:54,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:32:54,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:32:54,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:32:54,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:32:54,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:32:54,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:32:54,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:32:54,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:32:54,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:32:54,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:32:54,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:32:54,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:32:54,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:32:54,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:32:54,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:32:54,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:32:54,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:32:54,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:32:54,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:32:54,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:32:54,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:32:54,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:32:54,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:32:54,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:32:54,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:32:54,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:32:54,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:32:54,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:32:54,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:32:54,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:32:54,736 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:32:54,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:32:54,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:32:54,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:32:54,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:32:54,791 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:32:54,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:32:54,792 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:32:54,792 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:32:54,792 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:32:54,793 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:32:54,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:32:54,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:32:54,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:32:54,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:32:54,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:32:54,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:32:54,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:32:54,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:32:54,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:32:54,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:32:54,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:32:54,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:32:54,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:32:54,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:32:54,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:32:54,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:32:54,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:32:54,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:32:54,801 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:32:54,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:32:54,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:32:54,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:32:54,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:32:54,802 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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2021-11-19 13:32:55,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:32:55,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:32:55,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:32:55,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:32:55,249 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:32:55,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-19 13:32:55,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/data/d9ca38397/9a87c14f6c424c99ab4be133d1a3eef5/FLAGbcd3052a8 [2021-11-19 13:32:56,381 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:32:56,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-19 13:32:56,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/data/d9ca38397/9a87c14f6c424c99ab4be133d1a3eef5/FLAGbcd3052a8 [2021-11-19 13:32:56,870 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/data/d9ca38397/9a87c14f6c424c99ab4be133d1a3eef5 [2021-11-19 13:32:56,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:32:56,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:32:56,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:32:56,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:32:56,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:32:56,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:32:56" (1/1) ... [2021-11-19 13:32:56,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19aed47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:56, skipping insertion in model container [2021-11-19 13:32:56,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:32:56" (1/1) ... [2021-11-19 13:32:56,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:32:57,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:32:57,331 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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-19 13:32:57,338 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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-19 13:32:57,363 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:32:57,369 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:32:58,389 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,390 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,390 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,391 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,393 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,429 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,430 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,432 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,432 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,435 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,436 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,437 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,438 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:58,844 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:32:58,845 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:32:58,847 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:32:58,849 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:32:58,851 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:32:58,852 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:32:58,853 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:32:58,854 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:32:58,854 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:32:58,855 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:32:59,055 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:32:59,079 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:32:59,112 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:32:59,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:32:59,163 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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-19 13:32:59,167 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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-19 13:32:59,169 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:32:59,170 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:32:59,269 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,270 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,271 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,271 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,272 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,297 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,302 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,304 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,305 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,307 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,308 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,309 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,310 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,367 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:32:59,368 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:32:59,369 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:32:59,371 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:32:59,372 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:32:59,372 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:32:59,373 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:32:59,374 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:32:59,374 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:32:59,375 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:32:59,401 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:32:59,415 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:32:59,424 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:32:59,439 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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-19 13:32:59,440 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_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-19 13:32:59,442 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-19 13:32:59,442 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-19 13:32:59,507 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,508 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,509 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,509 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,510 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,519 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,519 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,521 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,521 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,522 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,523 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,524 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,524 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-19 13:32:59,568 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-19 13:32:59,569 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-19 13:32:59,570 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-19 13:32:59,571 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-19 13:32:59,572 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-19 13:32:59,573 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-19 13:32:59,573 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-19 13:32:59,574 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-19 13:32:59,575 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-19 13:32:59,575 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-19 13:32:59,603 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-19 13:32:59,615 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:32:59,921 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:32:59,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59 WrapperNode [2021-11-19 13:32:59,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:32:59,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:32:59,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:32:59,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:32:59,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59" (1/1) ... [2021-11-19 13:33:00,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59" (1/1) ... [2021-11-19 13:33:00,098 INFO L137 Inliner]: procedures = 700, calls = 975, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 60 [2021-11-19 13:33:00,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:33:00,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:33:00,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:33:00,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:33:00,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59" (1/1) ... [2021-11-19 13:33:00,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59" (1/1) ... [2021-11-19 13:33:00,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59" (1/1) ... [2021-11-19 13:33:00,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59" (1/1) ... [2021-11-19 13:33:00,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59" (1/1) ... [2021-11-19 13:33:00,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59" (1/1) ... [2021-11-19 13:33:00,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59" (1/1) ... [2021-11-19 13:33:00,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:33:00,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:33:00,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:33:00,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:33:00,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59" (1/1) ... [2021-11-19 13:33:00,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:33:00,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:33:00,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:33:00,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:33:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-19 13:33:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-19 13:33:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-19 13:33:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-19 13:33:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:33:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 13:33:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 13:33:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:33:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:33:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:33:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:33:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:33:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-19 13:33:00,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-19 13:33:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:33:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:33:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-11-19 13:33:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-11-19 13:33:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 13:33:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 13:33:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:33:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:33:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:33:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:33:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-19 13:33:00,259 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-19 13:33:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-19 13:33:00,259 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-19 13:33:00,612 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:33:00,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:33:00,995 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:33:01,003 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:33:01,003 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 13:33:01,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:01 BoogieIcfgContainer [2021-11-19 13:33:01,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:33:01,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:33:01,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:33:01,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:33:01,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:32:56" (1/3) ... [2021-11-19 13:33:01,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471f4b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:33:01, skipping insertion in model container [2021-11-19 13:33:01,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:32:59" (2/3) ... [2021-11-19 13:33:01,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471f4b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:33:01, skipping insertion in model container [2021-11-19 13:33:01,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:01" (3/3) ... [2021-11-19 13:33:01,017 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2021-11-19 13:33:01,026 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:33:01,026 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 13:33:01,086 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:33:01,097 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 13:33:01,098 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 13:33:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-19 13:33:01,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-19 13:33:01,127 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:01,128 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:01,129 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:33:01,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:01,136 INFO L85 PathProgramCache]: Analyzing trace with hash 26650354, now seen corresponding path program 1 times [2021-11-19 13:33:01,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:01,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491344639] [2021-11-19 13:33:01,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:01,154 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:01,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:01,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:01,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:33:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:01,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-19 13:33:01,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:02,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 13:33:02,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:03,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 13:33:03,372 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:03,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491344639] [2021-11-19 13:33:03,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491344639] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:03,374 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:03,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 24 [2021-11-19 13:33:03,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779084871] [2021-11-19 13:33:03,377 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:03,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 13:33:03,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:03,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 13:33:03,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:33:03,433 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 24 states, 20 states have (on average 2.15) internal successors, (43), 22 states have internal predecessors, (43), 9 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2021-11-19 13:33:05,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:05,977 INFO L93 Difference]: Finished difference Result 128 states and 154 transitions. [2021-11-19 13:33:05,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 13:33:05,980 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 2.15) internal successors, (43), 22 states have internal predecessors, (43), 9 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) Word has length 55 [2021-11-19 13:33:05,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:05,991 INFO L225 Difference]: With dead ends: 128 [2021-11-19 13:33:06,005 INFO L226 Difference]: Without dead ends: 61 [2021-11-19 13:33:06,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=126, Invalid=866, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:33:06,030 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 96 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:06,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 772 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 13:33:06,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-19 13:33:06,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2021-11-19 13:33:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-19 13:33:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions. [2021-11-19 13:33:06,078 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 55 [2021-11-19 13:33:06,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:06,080 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions. [2021-11-19 13:33:06,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 2.15) internal successors, (43), 22 states have internal predecessors, (43), 9 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2021-11-19 13:33:06,081 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2021-11-19 13:33:06,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-19 13:33:06,084 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:06,084 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:06,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:06,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:06,293 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:33:06,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:06,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1047718708, now seen corresponding path program 1 times [2021-11-19 13:33:06,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:06,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407881081] [2021-11-19 13:33:06,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:06,296 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:06,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:06,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:06,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:33:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:06,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 13:33:06,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:07,157 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 13:33:07,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 13:33:07,754 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:07,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407881081] [2021-11-19 13:33:07,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407881081] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:33:07,755 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:33:07,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 7] imperfect sequences [] total 17 [2021-11-19 13:33:07,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22419841] [2021-11-19 13:33:07,755 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:07,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 13:33:07,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:07,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 13:33:07,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-11-19 13:33:07,759 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand has 17 states, 14 states have (on average 3.0) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2021-11-19 13:33:11,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:11,593 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2021-11-19 13:33:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 13:33:11,594 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 3.0) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) Word has length 55 [2021-11-19 13:33:11,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:11,597 INFO L225 Difference]: With dead ends: 66 [2021-11-19 13:33:11,597 INFO L226 Difference]: Without dead ends: 62 [2021-11-19 13:33:11,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:33:11,599 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 27 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:11,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 767 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-19 13:33:11,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-11-19 13:33:11,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-11-19 13:33:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 41 states have internal predecessors, (44), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-19 13:33:11,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2021-11-19 13:33:11,612 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 55 [2021-11-19 13:33:11,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:11,613 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2021-11-19 13:33:11,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 3.0) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2021-11-19 13:33:11,613 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2021-11-19 13:33:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-19 13:33:11,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:11,617 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:11,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:11,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:11,835 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:33:11,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:11,835 INFO L85 PathProgramCache]: Analyzing trace with hash -776855734, now seen corresponding path program 1 times [2021-11-19 13:33:11,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:11,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528614945] [2021-11-19 13:33:11,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:11,837 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:11,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:11,838 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:11,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894cce44-cc4d-4c1e-b4ac-d4a4a54f91ed/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:33:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:12,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-19 13:33:12,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-19 13:33:19,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:59,737 WARN L227 SmtUtils]: Spent 1.49m on a formula simplification. DAG size of input: 662 DAG size of output: 412 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-19 13:34:59,746 INFO L354 Elim1Store]: treesize reduction 860, result has 57.3 percent of original size [2021-11-19 13:34:59,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 20 new quantified variables, introduced 153 case distinctions, treesize of input 148 treesize of output 1203