./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/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_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/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_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/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 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:17,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:17,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:08:17,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:17,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:17,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:17,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:17,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:17,661 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:17,662 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:17,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:08:17,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:08:17,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:17,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:17,666 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:17,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:17,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:08:17,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:17,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:17,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:08:17,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:08:17,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:08:17,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:17,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:17,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:17,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:17,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:17,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:08:17,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:08:17,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:17,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:17,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:08:17,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:08:17,678 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:17,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:08:17,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:08:17,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:08:17,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:08:17,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:08:17,681 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_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 [2024-10-31 22:08:17,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:18,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:18,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:18,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:18,020 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:18,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:08:20,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:20,664 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:20,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2024-10-31 22:08:20,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/bin/uautomizer-verify-4GaUIPS5ZU/data/516ba6744/62bd0793779c4706ab683deaea9dba64/FLAG531917ef8 [2024-10-31 22:08:21,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/bin/uautomizer-verify-4GaUIPS5ZU/data/516ba6744/62bd0793779c4706ab683deaea9dba64 [2024-10-31 22:08:21,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:21,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:21,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:21,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:21,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:21,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:21" (1/1) ... [2024-10-31 22:08:21,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f262e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:21, skipping insertion in model container [2024-10-31 22:08:21,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:21" (1/1) ... [2024-10-31 22:08:21,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:21,705 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_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4505,4518] [2024-10-31 22:08:21,714 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_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4565,4578] [2024-10-31 22:08:23,025 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,026 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,027 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,028 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,029 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,071 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,072 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,074 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,075 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,737 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,737 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,893 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,894 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:23,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:24,081 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:24,102 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_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4505,4518] [2024-10-31 22:08:24,103 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_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4565,4578] [2024-10-31 22:08:24,157 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,158 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,158 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,159 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,160 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,168 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,173 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,174 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,177 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,289 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,292 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2024-10-31 22:08:24,354 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,354 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:08:24,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2024-10-31 22:08:24,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:24,710 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:24,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24 WrapperNode [2024-10-31 22:08:24,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:24,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:24,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:24,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:24,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:24,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:24,931 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 972 [2024-10-31 22:08:24,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:24,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:24,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:24,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:24,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:24,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:24,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:25,066 INFO L175 MemorySlicer]: Split 572 memory accesses to 9 slices as follows [2, 257, 238, 9, 9, 32, 1, 20, 4]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 6, 4, 5, 4, 0, 2, 2]. The 494 writes are split as follows [0, 257, 232, 0, 1, 3, 0, 1, 0]. [2024-10-31 22:08:25,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:25,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:25,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:25,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:25,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:25,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:25,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:25,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:25,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:25,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:25,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:25,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:25,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:25,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:25,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f55950fa-bae9-4a7a-8fe9-9d17f7e13a7e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:08:25,244 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:08:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-10-31 22:08:25,245 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-10-31 22:08:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:08:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:08:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:08:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:08:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:08:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:08:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:08:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:08:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:08:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:08:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:08:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:08:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:08:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:08:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:08:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:08:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:08:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:08:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:08:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:08:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:08:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:08:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:08:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:08:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:08:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:08:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:08:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:08:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:08:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:08:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:08:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:08:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:08:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:08:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:08:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:08:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:08:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:08:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:08:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:08:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:08:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:08:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:08:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:08:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:08:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:08:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:08:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:08:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:08:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-10-31 22:08:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-10-31 22:08:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:08:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:08:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:08:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:08:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:08:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:08:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:08:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:08:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 22:08:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 22:08:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:08:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:08:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-10-31 22:08:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-10-31 22:08:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-10-31 22:08:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-10-31 22:08:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:08:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:08:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:08:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:08:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:08:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:08:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:08:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:08:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:08:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:08:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:08:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:08:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:08:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:08:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:08:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:08:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:08:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:08:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:08:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:08:25,733 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:25,736 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:35,905 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:35,906 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:35,926 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:35,929 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:08:35,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:35 BoogieIcfgContainer [2024-10-31 22:08:35,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:35,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:35,934 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:35,939 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:35,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:08:21" (1/3) ... [2024-10-31 22:08:35,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b015b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:35, skipping insertion in model container [2024-10-31 22:08:35,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24" (2/3) ... [2024-10-31 22:08:35,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b015b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:35, skipping insertion in model container [2024-10-31 22:08:35,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:35" (3/3) ... [2024-10-31 22:08:35,944 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness_negated.i [2024-10-31 22:08:35,969 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:35,970 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:08:36,073 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:36,080 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;@5723b841, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:36,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:08:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 107 states have internal predecessors, (130), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-31 22:08:36,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-31 22:08:36,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:36,104 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:36,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:36,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:36,112 INFO L85 PathProgramCache]: Analyzing trace with hash -454301623, now seen corresponding path program 1 times [2024-10-31 22:08:36,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:36,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453164345] [2024-10-31 22:08:36,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:36,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms