./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:11:35,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:11:35,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:11:35,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:11:35,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:11:35,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:11:35,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:11:35,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:11:35,194 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:11:35,195 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:11:35,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:11:35,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:11:35,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:11:35,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:11:35,199 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:11:35,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:11:35,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:11:35,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:11:35,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:11:35,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:11:35,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:11:35,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:11:35,208 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:11:35,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:11:35,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:11:35,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:11:35,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:11:35,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:11:35,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:11:35,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:35,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:11:35,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:11:35,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:11:35,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:11:35,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:11:35,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:11:35,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:11:35,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:11:35,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:11:35,215 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce [2024-10-31 22:11:35,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:11:35,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:11:35,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:11:35,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:11:35,571 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:11:35,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i Unable to find full path for "g++" [2024-10-31 22:11:37,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:11:38,501 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:11:38,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2024-10-31 22:11:38,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/data/54e6986f7/650f18334acd4c219d814376cece3426/FLAG6d0615ddc [2024-10-31 22:11:38,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/data/54e6986f7/650f18334acd4c219d814376cece3426 [2024-10-31 22:11:38,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:11:38,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:11:38,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:38,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:11:38,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:11:38,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653d4e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:38, skipping insertion in model container [2024-10-31 22:11:38,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:11:38" (1/1) ... [2024-10-31 22:11:38,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:11:39,208 WARN L251 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_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i[4496,4509] [2024-10-31 22:11:39,220 WARN L251 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_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i[4556,4569] [2024-10-31 22:11:40,637 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:40,638 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:40,639 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:40,640 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:40,641 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:40,657 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:40,658 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:40,695 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:40,696 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:41,723 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:41,727 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:41,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:41,990 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:11:42,014 WARN L251 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_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i[4496,4509] [2024-10-31 22:11:42,015 WARN L251 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_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i[4556,4569] [2024-10-31 22:11:42,073 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:42,074 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:42,074 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:42,075 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:42,076 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:42,084 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:42,085 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:42,086 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:42,089 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:42,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-10-31 22:11:42,329 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:42,331 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:11:42,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-10-31 22:11:42,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:11:42,688 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:11:42,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42 WrapperNode [2024-10-31 22:11:42,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:11:42,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:42,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:11:42,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:11:42,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:42,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:42,902 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2024-10-31 22:11:42,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:11:42,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:11:42,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:11:42,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:11:42,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:42,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:42,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:43,034 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 257, 238, 16, 16, 20]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 0, 6, 16, 5, 4]. The 494 writes are split as follows [0, 257, 232, 0, 3, 2]. [2024-10-31 22:11:43,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:43,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:43,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:43,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:43,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:43,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:43,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:11:43,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:11:43,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:11:43,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:11:43,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (1/1) ... [2024-10-31 22:11:43,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:11:43,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:11:43,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:11:43,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb20e0a-d5d9-42c6-a468-87ad6bc5875f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:11:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-10-31 22:11:43,305 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-10-31 22:11:43,305 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:11:43,305 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:11:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:11:43,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:11:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:11:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:11:43,307 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:11:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:11:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:11:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:11:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:11:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:11:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:11:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:11:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:11:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:11:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:11:43,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:11:43,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:11:43,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:11:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:11:43,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:11:43,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:11:43,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:11:43,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:11:43,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:11:43,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:11:43,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:11:43,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:11:43,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:11:43,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:11:43,315 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:11:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:11:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:11:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:11:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:11:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:11:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:11:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:11:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:11:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:11:43,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:11:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:11:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:11:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:11:43,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:11:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:11:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:11:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-10-31 22:11:43,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-10-31 22:11:43,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:11:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:11:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:11:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:11:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:11:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:11:43,320 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:11:43,321 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:11:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:11:43,321 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:11:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:11:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:11:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:11:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:11:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:11:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:11:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:11:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:11:43,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:11:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:11:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:11:43,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:11:43,736 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:11:43,739 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:11:53,409 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-10-31 22:11:53,410 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:11:53,426 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:11:53,426 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:11:53,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:53 BoogieIcfgContainer [2024-10-31 22:11:53,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:11:53,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:11:53,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:11:53,434 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:11:53,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:11:38" (1/3) ... [2024-10-31 22:11:53,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dbf980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:53, skipping insertion in model container [2024-10-31 22:11:53,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:11:42" (2/3) ... [2024-10-31 22:11:53,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dbf980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:11:53, skipping insertion in model container [2024-10-31 22:11:53,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:11:53" (3/3) ... [2024-10-31 22:11:53,441 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness.i [2024-10-31 22:11:53,460 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:11:53,460 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:11:53,547 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:11:53,554 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48aa7c2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:11:53,554 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:11:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-31 22:11:53,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-31 22:11:53,579 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:11:53,580 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1] [2024-10-31 22:11:53,580 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:11:53,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:11:53,588 INFO L85 PathProgramCache]: Analyzing trace with hash -312571678, now seen corresponding path program 1 times [2024-10-31 22:11:53,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:11:53,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824956827] [2024-10-31 22:11:53,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:11:53,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms