./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:21:02,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:21:02,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:21:02,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:21:02,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:21:02,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:21:02,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:21:02,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:21:02,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:21:02,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:21:02,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:21:02,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:21:02,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:21:02,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:21:02,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:21:02,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:21:02,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:21:02,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:21:02,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:21:02,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:21:02,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:21:02,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:21:02,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:21:02,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:21:02,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:21:02,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:21:02,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:21:02,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:21:02,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:21:02,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:21:02,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:21:02,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:21:02,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:21:02,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:21:02,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:21:02,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:21:02,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:21:02,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:21:02,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:21:02,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:21:02,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:21:02,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:21:02,311 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:21:02,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:21:02,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:21:02,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:21:02,313 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:21:02,313 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:21:02,313 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:21:02,313 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:21:02,313 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:21:02,314 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:21:02,320 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:21:02,321 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:21:02,321 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:21:02,321 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:21:02,321 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:21:02,321 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:21:02,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:21:02,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:21:02,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:21:02,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:21:02,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:21:02,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:21:02,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:21:02,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:21:02,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:21:02,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:21:02,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:21:02,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:21:02,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:21:02,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:21:02,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:21:02,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:21:02,327 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:21:02,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:21:02,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:21:02,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:21:02,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:21:02,328 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_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2021-11-12 22:21:02,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:21:02,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:21:02,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:21:02,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:21:02,640 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:21:02,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-12 22:21:02,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/data/4dbab10a6/a86a5124659d4f21973c1bde5dd30925/FLAG3809eeda3 [2021-11-12 22:21:03,543 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:21:03,547 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-12 22:21:03,609 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/data/4dbab10a6/a86a5124659d4f21973c1bde5dd30925/FLAG3809eeda3 [2021-11-12 22:21:04,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/data/4dbab10a6/a86a5124659d4f21973c1bde5dd30925 [2021-11-12 22:21:04,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:21:04,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:21:04,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:21:04,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:21:04,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:21:04,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:21:04" (1/1) ... [2021-11-12 22:21:04,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172c5c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:04, skipping insertion in model container [2021-11-12 22:21:04,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:21:04" (1/1) ... [2021-11-12 22:21:04,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:21:04,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:21:04,494 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_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-12 22:21:04,500 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_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-12 22:21:04,519 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:21:04,524 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:21:05,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,233 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,234 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,234 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,235 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,248 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,249 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,250 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,251 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,253 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,254 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,254 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,255 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:05,582 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:21:05,583 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:21:05,584 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:21:05,585 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:21:05,586 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:21:05,586 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:21:05,587 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:21:05,587 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:21:05,588 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:21:05,589 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:21:05,708 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:21:05,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:21:05,769 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) [2021-11-12 22:21:05,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@252d615d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:05, skipping insertion in model container [2021-11-12 22:21:05,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:21:05,779 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:21:05,781 INFO L158 Benchmark]: Toolchain (without parser) took 1678.28ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 66.3MB in the beginning and 107.0MB in the end (delta: -40.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-12 22:21:05,781 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:21:05,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1673.76ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 66.1MB in the beginning and 107.0MB in the end (delta: -40.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-11-12 22:21:05,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1673.76ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 66.1MB in the beginning and 107.0MB in the end (delta: -40.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7034]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:21:07,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:21:07,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:21:07,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:21:07,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:21:07,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:21:07,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:21:07,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:21:07,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:21:08,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:21:08,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:21:08,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:21:08,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:21:08,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:21:08,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:21:08,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:21:08,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:21:08,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:21:08,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:21:08,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:21:08,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:21:08,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:21:08,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:21:08,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:21:08,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:21:08,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:21:08,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:21:08,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:21:08,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:21:08,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:21:08,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:21:08,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:21:08,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:21:08,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:21:08,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:21:08,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:21:08,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:21:08,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:21:08,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:21:08,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:21:08,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:21:08,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:21:08,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:21:08,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:21:08,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:21:08,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:21:08,082 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:21:08,082 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:21:08,083 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:21:08,083 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:21:08,083 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:21:08,083 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:21:08,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:21:08,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:21:08,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:21:08,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:21:08,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:21:08,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:21:08,087 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:21:08,087 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:21:08,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:21:08,087 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:21:08,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:21:08,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:21:08,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:21:08,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:21:08,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:21:08,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:21:08,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:21:08,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:21:08,089 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:21:08,090 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:21:08,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:21:08,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:21:08,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:21:08,091 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_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2021-11-12 22:21:08,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:21:08,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:21:08,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:21:08,481 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:21:08,482 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:21:08,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-12 22:21:08,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/data/cf901f682/bbb970d1e6b34723a4a15556d070ab7b/FLAG932a7c317 [2021-11-12 22:21:09,415 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:21:09,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-12 22:21:09,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/data/cf901f682/bbb970d1e6b34723a4a15556d070ab7b/FLAG932a7c317 [2021-11-12 22:21:09,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/data/cf901f682/bbb970d1e6b34723a4a15556d070ab7b [2021-11-12 22:21:09,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:21:09,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:21:09,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:21:09,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:21:09,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:21:09,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:21:09" (1/1) ... [2021-11-12 22:21:09,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b095d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:09, skipping insertion in model container [2021-11-12 22:21:09,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:21:09" (1/1) ... [2021-11-12 22:21:09,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:21:10,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:21:10,373 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_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-12 22:21:10,380 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_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-12 22:21:10,403 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:21:10,410 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:21:11,184 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,185 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,185 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,186 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,187 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,202 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,203 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,205 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,206 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,214 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,215 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,216 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,217 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,588 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:21:11,589 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:21:11,590 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:21:11,591 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:21:11,592 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:21:11,593 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:21:11,594 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:21:11,598 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:21:11,600 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:21:11,606 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:21:11,758 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:21:11,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:21:11,837 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:21:11,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:21:11,887 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_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-12 22:21:11,889 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_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-12 22:21:11,890 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:21:11,891 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:21:11,954 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,955 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,956 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,956 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,957 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,972 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,973 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,973 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,974 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,975 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,975 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,976 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:11,976 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,046 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:21:12,050 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:21:12,057 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:21:12,057 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:21:12,058 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:21:12,059 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:21:12,060 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:21:12,060 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:21:12,061 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:21:12,061 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:21:12,111 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:21:12,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:21:12,136 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:21:12,158 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_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-12 22:21:12,159 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_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-12 22:21:12,160 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 22:21:12,161 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 22:21:12,221 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,222 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,222 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,222 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,223 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,228 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,228 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,229 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,229 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,235 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,236 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,236 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,237 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 22:21:12,276 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 22:21:12,277 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 22:21:12,278 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 22:21:12,278 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 22:21:12,279 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 22:21:12,279 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 22:21:12,280 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 22:21:12,281 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 22:21:12,281 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 22:21:12,282 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 22:21:12,306 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 22:21:12,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:21:12,550 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:21:12,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12 WrapperNode [2021-11-12 22:21:12,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:21:12,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:21:12,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:21:12,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:21:12,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12" (1/1) ... [2021-11-12 22:21:12,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12" (1/1) ... [2021-11-12 22:21:12,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:21:12,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:21:12,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:21:12,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:21:12,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12" (1/1) ... [2021-11-12 22:21:12,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12" (1/1) ... [2021-11-12 22:21:12,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12" (1/1) ... [2021-11-12 22:21:12,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12" (1/1) ... [2021-11-12 22:21:12,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12" (1/1) ... [2021-11-12 22:21:12,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12" (1/1) ... [2021-11-12 22:21:12,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12" (1/1) ... [2021-11-12 22:21:12,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:21:12,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:21:12,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:21:12,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:21:12,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12" (1/1) ... [2021-11-12 22:21:12,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:21:12,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:21:12,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:21:12,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:21:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-12 22:21:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-12 22:21:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-12 22:21:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-12 22:21:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:21:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 22:21:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 22:21:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:21:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:21:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:21:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:21:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-12 22:21:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-12 22:21:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:21:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:21:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-11-12 22:21:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-11-12 22:21:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 22:21:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 22:21:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:21:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:21:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:21:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:21:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-12 22:21:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-12 22:21:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-12 22:21:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-12 22:21:13,690 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:21:13,691 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 22:21:13,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:21:13 BoogieIcfgContainer [2021-11-12 22:21:13,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:21:13,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:21:13,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:21:13,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:21:13,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:21:09" (1/3) ... [2021-11-12 22:21:13,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d78a5be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:21:13, skipping insertion in model container [2021-11-12 22:21:13,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:21:12" (2/3) ... [2021-11-12 22:21:13,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d78a5be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:21:13, skipping insertion in model container [2021-11-12 22:21:13,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:21:13" (3/3) ... [2021-11-12 22:21:13,708 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2021-11-12 22:21:13,715 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:21:13,715 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:21:13,779 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:21:13,784 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 [2021-11-12 22:21:13,785 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:21:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-12 22:21:13,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-12 22:21:13,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:21:13,806 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:21:13,806 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:21:13,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:21:13,812 INFO L85 PathProgramCache]: Analyzing trace with hash 26650354, now seen corresponding path program 1 times [2021-11-12 22:21:13,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:21:13,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125187989] [2021-11-12 22:21:13,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:21:13,826 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:21:13,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:21:13,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:21:13,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:21:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:21:14,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-12 22:21:14,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:21:14,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 22:21:14,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:21:15,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 22:21:15,711 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:21:15,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125187989] [2021-11-12 22:21:15,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125187989] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:21:15,712 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:21:15,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 24 [2021-11-12 22:21:15,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655109596] [2021-11-12 22:21:15,715 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:21:15,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-12 22:21:15,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:21:15,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-12 22:21:15,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2021-11-12 22:21:15,760 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 24 states, 20 states have (on average 2.15) internal successors, (43), 22 states have internal predecessors, (43), 9 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2021-11-12 22:21:18,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:21:18,345 INFO L93 Difference]: Finished difference Result 128 states and 154 transitions. [2021-11-12 22:21:18,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-12 22:21:18,348 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 2.15) internal successors, (43), 22 states have internal predecessors, (43), 9 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) Word has length 55 [2021-11-12 22:21:18,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:21:18,359 INFO L225 Difference]: With dead ends: 128 [2021-11-12 22:21:18,359 INFO L226 Difference]: Without dead ends: 61 [2021-11-12 22:21:18,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=126, Invalid=866, Unknown=0, NotChecked=0, Total=992 [2021-11-12 22:21:18,368 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 96 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2162.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.13ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2266.79ms IncrementalHoareTripleChecker+Time [2021-11-12 22:21:18,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 772 Invalid, 226 Unknown, 0 Unchecked, 13.13ms Time], IncrementalHoareTripleChecker [45 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 2266.79ms Time] [2021-11-12 22:21:18,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-12 22:21:18,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2021-11-12 22:21:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-12 22:21:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions. [2021-11-12 22:21:18,416 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 55 [2021-11-12 22:21:18,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:21:18,418 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions. [2021-11-12 22:21:18,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 2.15) internal successors, (43), 22 states have internal predecessors, (43), 9 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (12), 7 states have call predecessors, (12), 8 states have call successors, (12) [2021-11-12 22:21:18,419 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2021-11-12 22:21:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-12 22:21:18,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:21:18,423 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:21:18,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:21:18,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:21:18,646 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:21:18,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:21:18,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1047718708, now seen corresponding path program 1 times [2021-11-12 22:21:18,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:21:18,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1241007565] [2021-11-12 22:21:18,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:21:18,656 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:21:18,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:21:18,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:21:18,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:21:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:21:18,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 22:21:18,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:21:19,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 22:21:19,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:21:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 22:21:19,933 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:21:19,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1241007565] [2021-11-12 22:21:19,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1241007565] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:21:19,934 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:21:19,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 7] imperfect sequences [] total 17 [2021-11-12 22:21:19,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014527812] [2021-11-12 22:21:19,935 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:21:19,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-12 22:21:19,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:21:19,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-12 22:21:19,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-11-12 22:21:19,938 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand has 17 states, 14 states have (on average 3.0) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2021-11-12 22:21:21,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:21:21,704 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2021-11-12 22:21:21,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-12 22:21:21,705 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 3.0) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) Word has length 55 [2021-11-12 22:21:21,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:21:21,707 INFO L225 Difference]: With dead ends: 66 [2021-11-12 22:21:21,707 INFO L226 Difference]: Without dead ends: 62 [2021-11-12 22:21:21,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2021-11-12 22:21:21,709 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 27 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1423.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.57ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1497.03ms IncrementalHoareTripleChecker+Time [2021-11-12 22:21:21,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 767 Invalid, 153 Unknown, 0 Unchecked, 5.57ms Time], IncrementalHoareTripleChecker [16 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 1497.03ms Time] [2021-11-12 22:21:21,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-11-12 22:21:21,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-11-12 22:21:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 41 states have internal predecessors, (44), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-12 22:21:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2021-11-12 22:21:21,720 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 55 [2021-11-12 22:21:21,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:21:21,720 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2021-11-12 22:21:21,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 3.0) internal successors, (42), 12 states have internal predecessors, (42), 6 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2021-11-12 22:21:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2021-11-12 22:21:21,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-12 22:21:21,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:21:21,724 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:21:21,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:21:21,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:21:21,939 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:21:21,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:21:21,940 INFO L85 PathProgramCache]: Analyzing trace with hash -776855734, now seen corresponding path program 1 times [2021-11-12 22:21:21,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:21:21,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251618591] [2021-11-12 22:21:21,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:21:21,941 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:21:21,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:21:21,942 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:21:21,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc49c566-0c16-4b3a-a6f7-3baccf792f0d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:21:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:21:22,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-12 22:21:22,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:21:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-12 22:21:28,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:22:57,617 WARN L227 SmtUtils]: Spent 1.36m on a formula simplification. DAG size of input: 662 DAG size of output: 412 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-12 22:22:57,626 INFO L354 Elim1Store]: treesize reduction 860, result has 57.3 percent of original size [2021-11-12 22:22:57,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 20 new quantified variables, introduced 153 case distinctions, treesize of input 148 treesize of output 1203