./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:55:10,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:55:10,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:55:10,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:55:10,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:55:10,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:55:10,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:55:10,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:55:10,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:55:10,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:55:10,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:55:10,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:55:10,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:55:10,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:55:10,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:55:10,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:55:10,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:55:10,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:55:10,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:55:10,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:55:10,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:55:10,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:55:10,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:55:10,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:55:11,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:55:11,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:55:11,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:55:11,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:55:11,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:55:11,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:55:11,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:55:11,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:55:11,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:55:11,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:55:11,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:55:11,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:55:11,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:55:11,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:55:11,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:55:11,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:55:11,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:55:11,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 00:55:11,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:55:11,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:55:11,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:55:11,071 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:55:11,071 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:55:11,071 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:55:11,072 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:55:11,072 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:55:11,072 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:55:11,072 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:55:11,073 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:55:11,074 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:55:11,074 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:55:11,074 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:55:11,074 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:55:11,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:55:11,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:55:11,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:55:11,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:55:11,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:55:11,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:55:11,076 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:55:11,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:55:11,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:55:11,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:55:11,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:55:11,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:55:11,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:55:11,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:55:11,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:55:11,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:55:11,080 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:55:11,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:55:11,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:55:11,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:55:11,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:55:11,081 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_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2021-11-07 00:55:11,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:55:11,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:55:11,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:55:11,453 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:55:11,457 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:55:11,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-11-07 00:55:11,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/data/8c4a6cd92/a8df9c7d0f3d4e54bec0d483e31ea2b1/FLAG0fb2864ee [2021-11-07 00:55:12,471 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:55:12,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-11-07 00:55:12,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/data/8c4a6cd92/a8df9c7d0f3d4e54bec0d483e31ea2b1/FLAG0fb2864ee [2021-11-07 00:55:12,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/data/8c4a6cd92/a8df9c7d0f3d4e54bec0d483e31ea2b1 [2021-11-07 00:55:12,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:55:12,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:55:12,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:55:12,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:55:12,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:55:12,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:55:12" (1/1) ... [2021-11-07 00:55:12,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437cf44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:12, skipping insertion in model container [2021-11-07 00:55:12,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:55:12" (1/1) ... [2021-11-07 00:55:12,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:55:13,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:55:13,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2021-11-07 00:55:13,380 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2021-11-07 00:55:13,409 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:55:13,415 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:55:14,584 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:14,585 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:14,586 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:14,587 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:14,588 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:14,602 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:14,603 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:14,605 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:14,606 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:15,137 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:55:15,138 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:55:15,139 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:55:15,141 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:55:15,143 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:55:15,143 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:55:15,144 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:55:15,145 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:55:15,146 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:55:15,147 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:55:15,361 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:55:15,512 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:15,513 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:15,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:55:15,718 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 00:55:15,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@135613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:15, skipping insertion in model container [2021-11-07 00:55:15,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:55:15,721 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:55:15,723 INFO L168 Benchmark]: Toolchain (without parser) took 2835.64 ms. Allocated memory is still 117.4 MB. Free memory was 89.4 MB in the beginning and 67.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:15,724 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:55:15,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2830.68 ms. Allocated memory is still 117.4 MB. Free memory was 89.4 MB in the beginning and 67.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:15,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2830.68 ms. Allocated memory is still 117.4 MB. Free memory was 89.4 MB in the beginning and 67.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:55:17,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:55:17,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:55:18,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:55:18,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:55:18,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:55:18,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:55:18,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:55:18,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:55:18,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:55:18,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:55:18,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:55:18,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:55:18,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:55:18,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:55:18,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:55:18,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:55:18,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:55:18,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:55:18,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:55:18,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:55:18,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:55:18,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:55:18,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:55:18,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:55:18,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:55:18,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:55:18,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:55:18,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:55:18,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:55:18,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:55:18,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:55:18,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:55:18,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:55:18,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:55:18,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:55:18,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:55:18,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:55:18,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:55:18,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:55:18,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:55:18,090 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 00:55:18,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:55:18,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:55:18,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:55:18,119 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:55:18,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:55:18,119 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:55:18,119 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:55:18,120 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:55:18,120 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:55:18,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:55:18,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:55:18,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:55:18,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:55:18,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:55:18,122 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:55:18,122 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:55:18,122 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:55:18,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:55:18,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:55:18,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:55:18,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:55:18,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:55:18,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:55:18,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:55:18,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:55:18,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:55:18,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:55:18,125 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:55:18,125 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:55:18,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:55:18,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:55:18,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:55:18,126 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_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2021-11-07 00:55:18,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:55:18,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:55:18,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:55:18,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:55:18,574 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:55:18,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-11-07 00:55:18,666 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/data/3010b9d28/0a7ff4ad426a4f93955fa62580dd998a/FLAGd93e1003c [2021-11-07 00:55:19,582 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:55:19,583 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-11-07 00:55:19,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/data/3010b9d28/0a7ff4ad426a4f93955fa62580dd998a/FLAGd93e1003c [2021-11-07 00:55:20,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/data/3010b9d28/0a7ff4ad426a4f93955fa62580dd998a [2021-11-07 00:55:20,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:55:20,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:55:20,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:55:20,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:55:20,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:55:20,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:55:20" (1/1) ... [2021-11-07 00:55:20,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3babeeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:20, skipping insertion in model container [2021-11-07 00:55:20,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:55:20" (1/1) ... [2021-11-07 00:55:20,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:55:20,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:55:20,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2021-11-07 00:55:20,622 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2021-11-07 00:55:20,652 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:55:20,667 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:55:21,760 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:21,767 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:21,770 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:21,771 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:21,773 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:21,792 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:21,793 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:21,795 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:21,796 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:22,260 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:55:22,261 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:55:22,263 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:55:22,264 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:55:22,266 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:55:22,267 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:55:22,267 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:55:22,268 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:55:22,269 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:55:22,270 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:55:22,492 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:55:22,603 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:22,604 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:22,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:55:22,831 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:55:22,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:55:22,889 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2021-11-07 00:55:22,890 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2021-11-07 00:55:22,900 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:55:22,901 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:55:22,994 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:22,995 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:22,997 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:22,997 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:22,999 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,008 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,009 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,011 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,011 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,069 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:55:23,070 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:55:23,070 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:55:23,072 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:55:23,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:55:23,081 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:55:23,081 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:55:23,082 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:55:23,083 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:55:23,083 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:55:23,110 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:55:23,212 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,212 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:55:23,360 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:55:23,385 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2021-11-07 00:55:23,386 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2021-11-07 00:55:23,387 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 00:55:23,392 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 00:55:23,435 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,435 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,436 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,436 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,437 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,443 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,444 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,445 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,445 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,504 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 00:55:23,505 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 00:55:23,505 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 00:55:23,506 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 00:55:23,507 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 00:55:23,508 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 00:55:23,508 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 00:55:23,509 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 00:55:23,509 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 00:55:23,511 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 00:55:23,536 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 00:55:23,612 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,612 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 00:55:23,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:55:24,125 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:55:24,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24 WrapperNode [2021-11-07 00:55:24,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:55:24,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:55:24,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:55:24,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:55:24,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24" (1/1) ... [2021-11-07 00:55:24,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24" (1/1) ... [2021-11-07 00:55:24,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:55:24,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:55:24,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:55:24,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:55:24,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24" (1/1) ... [2021-11-07 00:55:24,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24" (1/1) ... [2021-11-07 00:55:24,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24" (1/1) ... [2021-11-07 00:55:24,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24" (1/1) ... [2021-11-07 00:55:24,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24" (1/1) ... [2021-11-07 00:55:24,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24" (1/1) ... [2021-11-07 00:55:24,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24" (1/1) ... [2021-11-07 00:55:24,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:55:24,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:55:24,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:55:24,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:55:24,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24" (1/1) ... [2021-11-07 00:55:24,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:55:24,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:55:24,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:55:24,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:55:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:55:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:55:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 00:55:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:55:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:55:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:55:24,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:55:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 00:55:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 00:55:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 00:55:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:55:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:55:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 00:55:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 00:55:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 00:55:39,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:55:39,529 INFO L299 CfgBuilder]: Removed 56 assume(true) statements. [2021-11-07 00:55:39,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:55:39 BoogieIcfgContainer [2021-11-07 00:55:39,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:55:39,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:55:39,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:55:39,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:55:39,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:55:20" (1/3) ... [2021-11-07 00:55:39,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94498aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:55:39, skipping insertion in model container [2021-11-07 00:55:39,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:55:24" (2/3) ... [2021-11-07 00:55:39,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94498aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:55:39, skipping insertion in model container [2021-11-07 00:55:39,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:55:39" (3/3) ... [2021-11-07 00:55:39,539 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2021-11-07 00:55:39,544 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:55:39,545 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 00:55:39,603 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:55:39,608 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:55:39,608 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 00:55:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 58 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:39,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 00:55:39,630 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:39,631 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:55:39,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:39,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:39,638 INFO L85 PathProgramCache]: Analyzing trace with hash 254888643, now seen corresponding path program 1 times [2021-11-07 00:55:39,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:55:39,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193754722] [2021-11-07 00:55:39,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:39,661 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:55:39,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:55:39,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:55:39,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:55:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:44,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 1774 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:55:44,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:44,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:44,630 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:55:44,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193754722] [2021-11-07 00:55:44,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [193754722] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:55:44,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:55:44,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:55:44,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346535353] [2021-11-07 00:55:44,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:55:44,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:55:44,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:55:44,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:55:44,652 INFO L87 Difference]: Start difference. First operand has 59 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 58 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:44,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:44,671 INFO L93 Difference]: Finished difference Result 114 states and 153 transitions. [2021-11-07 00:55:44,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:55:44,672 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-07 00:55:44,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:44,681 INFO L225 Difference]: With dead ends: 114 [2021-11-07 00:55:44,681 INFO L226 Difference]: Without dead ends: 54 [2021-11-07 00:55:44,684 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:55:44,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-07 00:55:44,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-07 00:55:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 53 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:44,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2021-11-07 00:55:44,720 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 29 [2021-11-07 00:55:44,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:44,720 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2021-11-07 00:55:44,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2021-11-07 00:55:44,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 00:55:44,722 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:55:44,722 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:55:44,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:44,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:55:44,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:55:44,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:55:44,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1018052417, now seen corresponding path program 1 times [2021-11-07 00:55:44,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:55:44,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336461358] [2021-11-07 00:55:44,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:55:44,945 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:55:44,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:55:44,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:55:44,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:55:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:55:49,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 1774 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 00:55:49,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:55:49,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:49,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:55:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:55:50,479 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:55:50,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336461358] [2021-11-07 00:55:50,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336461358] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:55:50,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:55:50,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-11-07 00:55:50,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281539866] [2021-11-07 00:55:50,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 00:55:50,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:55:50,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 00:55:50,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-07 00:55:50,483 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:50,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:55:50,732 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2021-11-07 00:55:50,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:55:50,732 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-07 00:55:50,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:55:50,733 INFO L225 Difference]: With dead ends: 54 [2021-11-07 00:55:50,733 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 00:55:50,734 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-07 00:55:50,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 00:55:50,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 00:55:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 00:55:50,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-11-07 00:55:50,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:55:50,735 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 00:55:50,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:55:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 00:55:50,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 00:55:50,738 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:55:50,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:55:50,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:55:50,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 00:55:50,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:50,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:50,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:50,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:50,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:50,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:50,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:50,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:50,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:50,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:50,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:50,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:55:51,039 INFO L853 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-11-07 00:55:51,040 INFO L857 garLoopResultBuilder]: For program point L9210(lines 9210 9215) no Hoare annotation was computed. [2021-11-07 00:55:51,040 INFO L857 garLoopResultBuilder]: For program point L9549(lines 9549 9551) no Hoare annotation was computed. [2021-11-07 00:55:51,040 INFO L853 garLoopResultBuilder]: At program point L6890(lines 6889 6891) the Hoare annotation is: false [2021-11-07 00:55:51,041 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 00:55:51,041 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 00:55:51,041 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:55:51,041 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:55:51,041 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:55:51,042 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:55:51,042 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:55:51,042 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:55:51,042 INFO L857 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-07 00:55:51,043 INFO L857 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2021-11-07 00:55:51,043 INFO L857 garLoopResultBuilder]: For program point L9212(lines 9212 9214) no Hoare annotation was computed. [2021-11-07 00:55:51,043 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-07 00:55:51,043 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-07 00:55:51,044 INFO L857 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-11-07 00:55:51,044 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-07 00:55:51,044 INFO L857 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-11-07 00:55:51,044 INFO L857 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-11-07 00:55:51,044 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-07 00:55:51,045 INFO L853 garLoopResultBuilder]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: false [2021-11-07 00:55:51,045 INFO L857 garLoopResultBuilder]: For program point L7115(lines 7115 7121) no Hoare annotation was computed. [2021-11-07 00:55:51,045 INFO L857 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-11-07 00:55:51,045 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-07 00:55:51,046 INFO L857 garLoopResultBuilder]: For program point L6256-9(line 6256) no Hoare annotation was computed. [2021-11-07 00:55:51,046 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-07 00:55:51,046 INFO L857 garLoopResultBuilder]: For program point L6256-10(line 6256) no Hoare annotation was computed. [2021-11-07 00:55:51,046 INFO L857 garLoopResultBuilder]: For program point L6256-7(line 6256) no Hoare annotation was computed. [2021-11-07 00:55:51,047 INFO L857 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-07 00:55:51,047 INFO L853 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-11-07 00:55:51,047 INFO L853 garLoopResultBuilder]: At program point L6256-13(lines 6252 6257) the Hoare annotation is: false [2021-11-07 00:55:51,047 INFO L857 garLoopResultBuilder]: For program point L6256-12(line 6256) no Hoare annotation was computed. [2021-11-07 00:55:51,048 INFO L857 garLoopResultBuilder]: For program point L6810(lines 6810 6811) no Hoare annotation was computed. [2021-11-07 00:55:51,048 INFO L857 garLoopResultBuilder]: For program point L8734(lines 8734 8751) no Hoare annotation was computed. [2021-11-07 00:55:51,048 INFO L857 garLoopResultBuilder]: For program point L6810-2(lines 6810 6811) no Hoare annotation was computed. [2021-11-07 00:55:51,048 INFO L853 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-11-07 00:55:51,049 INFO L860 garLoopResultBuilder]: At program point L9553(line 9553) the Hoare annotation is: true [2021-11-07 00:55:51,049 INFO L853 garLoopResultBuilder]: At program point L6886(lines 6882 6887) the Hoare annotation is: false [2021-11-07 00:55:51,049 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 00:55:51,049 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-07 00:55:51,049 INFO L853 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: false [2021-11-07 00:55:51,050 INFO L857 garLoopResultBuilder]: For program point L9537(lines 9537 9552) no Hoare annotation was computed. [2021-11-07 00:55:51,050 INFO L857 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-11-07 00:55:51,050 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-07 00:55:51,050 INFO L857 garLoopResultBuilder]: For program point L9546(lines 9546 9547) no Hoare annotation was computed. [2021-11-07 00:55:51,051 INFO L857 garLoopResultBuilder]: For program point L9546-2(lines 9546 9547) no Hoare annotation was computed. [2021-11-07 00:55:51,051 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 00:55:51,051 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-07 00:55:51,051 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-07 00:55:51,052 INFO L857 garLoopResultBuilder]: For program point L7069(lines 7069 7073) no Hoare annotation was computed. [2021-11-07 00:55:51,052 INFO L857 garLoopResultBuilder]: For program point L9208(lines 9208 9216) no Hoare annotation was computed. [2021-11-07 00:55:51,052 INFO L857 garLoopResultBuilder]: For program point L7061(lines 7061 7074) no Hoare annotation was computed. [2021-11-07 00:55:51,052 INFO L857 garLoopResultBuilder]: For program point L9209(line 9209) no Hoare annotation was computed. [2021-11-07 00:55:51,053 INFO L857 garLoopResultBuilder]: For program point L9209-2(line 9209) no Hoare annotation was computed. [2021-11-07 00:55:51,053 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= (_ bv16 64) ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-11-07 00:55:51,053 INFO L853 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: false [2021-11-07 00:55:51,053 INFO L853 garLoopResultBuilder]: At program point L6245(lines 6242 6246) the Hoare annotation is: false [2021-11-07 00:55:51,057 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-07 00:55:51,059 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:55:51,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:55:51 BoogieIcfgContainer [2021-11-07 00:55:51,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:55:51,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:55:51,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:55:51,074 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:55:51,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:55:39" (3/4) ... [2021-11-07 00:55:51,078 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 00:55:51,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 131 nodes and edges [2021-11-07 00:55:51,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2021-11-07 00:55:51,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-07 00:55:51,110 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-07 00:55:51,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-07 00:55:51,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-07 00:55:51,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 00:55:51,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:55:52,026 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:55:52,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:55:52,028 INFO L168 Benchmark]: Toolchain (without parser) took 31989.31 ms. Allocated memory was 67.1 MB in the beginning and 576.7 MB in the end (delta: 509.6 MB). Free memory was 41.0 MB in the beginning and 191.3 MB in the end (delta: -150.3 MB). Peak memory consumption was 404.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:52,029 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:55:52,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4084.17 ms. Allocated memory was 67.1 MB in the beginning and 123.7 MB in the end (delta: 56.6 MB). Free memory was 40.9 MB in the beginning and 49.9 MB in the end (delta: -9.1 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:52,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 304.85 ms. Allocated memory is still 123.7 MB. Free memory was 49.9 MB in the beginning and 39.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:52,030 INFO L168 Benchmark]: Boogie Preprocessor took 184.76 ms. Allocated memory was 123.7 MB in the beginning and 161.5 MB in the end (delta: 37.7 MB). Free memory was 39.5 MB in the beginning and 102.2 MB in the end (delta: -62.7 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:52,031 INFO L168 Benchmark]: RCFGBuilder took 14912.32 ms. Allocated memory was 161.5 MB in the beginning and 576.7 MB in the end (delta: 415.2 MB). Free memory was 102.2 MB in the beginning and 287.7 MB in the end (delta: -185.5 MB). Peak memory consumption was 346.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:52,031 INFO L168 Benchmark]: TraceAbstraction took 11539.95 ms. Allocated memory is still 576.7 MB. Free memory was 286.6 MB in the beginning and 337.7 MB in the end (delta: -51.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:55:52,032 INFO L168 Benchmark]: Witness Printer took 953.38 ms. Allocated memory is still 576.7 MB. Free memory was 337.7 MB in the beginning and 191.3 MB in the end (delta: 146.4 MB). Peak memory consumption was 190.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:55:52,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 67.1 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4084.17 ms. Allocated memory was 67.1 MB in the beginning and 123.7 MB in the end (delta: 56.6 MB). Free memory was 40.9 MB in the beginning and 49.9 MB in the end (delta: -9.1 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 304.85 ms. Allocated memory is still 123.7 MB. Free memory was 49.9 MB in the beginning and 39.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 184.76 ms. Allocated memory was 123.7 MB in the beginning and 161.5 MB in the end (delta: 37.7 MB). Free memory was 39.5 MB in the beginning and 102.2 MB in the end (delta: -62.7 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 14912.32 ms. Allocated memory was 161.5 MB in the beginning and 576.7 MB in the end (delta: 415.2 MB). Free memory was 102.2 MB in the beginning and 287.7 MB in the end (delta: -185.5 MB). Peak memory consumption was 346.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11539.95 ms. Allocated memory is still 576.7 MB. Free memory was 286.6 MB in the beginning and 337.7 MB in the end (delta: -51.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 953.38 ms. Allocated memory is still 576.7 MB. Free memory was 337.7 MB in the beginning and 191.3 MB in the end (delta: 146.4 MB). Peak memory consumption was 190.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 73 SDtfs, 4 SDslu, 5 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 13 NumberOfFragments, 14 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 8.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 112 ConstructedInterpolants, 1 QuantifiedInterpolants, 160 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3548 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 16bv64 == max_size - InvariantResult [Line: 9553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 00:55:52,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af54959-01ec-4d7b-96fe-6255c8efe5d9/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE