./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.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_b082ae7c-6bae-4141-986f-2d4ceabcb784/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/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_b082ae7c-6bae-4141-986f-2d4ceabcb784/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/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_b082ae7c-6bae-4141-986f-2d4ceabcb784/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 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:13,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:13,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:16:13,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:13,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:13,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:13,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:13,893 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:13,894 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:13,896 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:13,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:13,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:13,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:13,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:13,901 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:13,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:13,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:13,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:16:13,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:13,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:13,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:13,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:13,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:13,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:13,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:13,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:13,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:13,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:13,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:13,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:13,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:13,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:13,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:13,913 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:16:13,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:16:13,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:13,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:13,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:13,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:13,915 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_b082ae7c-6bae-4141-986f-2d4ceabcb784/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 [2024-10-31 22:16:14,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:14,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:14,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:14,280 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:14,282 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:14,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i Unable to find full path for "g++" [2024-10-31 22:16:16,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:17,039 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:17,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2024-10-31 22:16:17,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/bin/uautomizer-verify-4GaUIPS5ZU/data/8eaec71cd/41395a3ac1dd49779cd5f8f931c21280/FLAG0facd0c08 [2024-10-31 22:16:17,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/bin/uautomizer-verify-4GaUIPS5ZU/data/8eaec71cd/41395a3ac1dd49779cd5f8f931c21280 [2024-10-31 22:16:17,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:17,489 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:17,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:17,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:17,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:17,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:17" (1/1) ... [2024-10-31 22:16:17,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5481c16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:17, skipping insertion in model container [2024-10-31 22:16:17,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:17" (1/1) ... [2024-10-31 22:16:17,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:18,155 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_b082ae7c-6bae-4141-986f-2d4ceabcb784/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4494,4507] [2024-10-31 22:16:18,168 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_b082ae7c-6bae-4141-986f-2d4ceabcb784/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4554,4567] [2024-10-31 22:16:19,452 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:19,454 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:19,454 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:19,456 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:19,458 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:19,481 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:19,482 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:19,485 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:19,486 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:20,566 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:20,566 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:20,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:20,813 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:20,843 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_b082ae7c-6bae-4141-986f-2d4ceabcb784/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4494,4507] [2024-10-31 22:16:20,844 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_b082ae7c-6bae-4141-986f-2d4ceabcb784/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4554,4567] [2024-10-31 22:16:20,918 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:20,919 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:20,920 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:20,925 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:20,926 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:20,945 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:20,946 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:20,947 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:20,948 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:21,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-10-31 22:16:21,298 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:21,298 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:16:21,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-10-31 22:16:21,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:21,683 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:21,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21 WrapperNode [2024-10-31 22:16:21,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:21,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:21,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:21,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:21,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:21,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:21,917 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 975 [2024-10-31 22:16:21,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:21,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:21,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:21,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:21,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:21,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:21,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:22,052 INFO L175 MemorySlicer]: Split 591 memory accesses to 5 slices as follows [257, 6, 2, 245, 81]. 43 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 0, 2, 11, 12]. The 508 writes are split as follows [257, 2, 0, 232, 17]. [2024-10-31 22:16:22,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:22,057 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:22,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:22,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:22,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:22,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:22,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:22,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:22,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:22,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:22,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (1/1) ... [2024-10-31 22:16:22,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:22,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:22,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:22,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b082ae7c-6bae-4141-986f-2d4ceabcb784/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-10-31 22:16:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-10-31 22:16:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:16:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:16:22,296 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:16:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:16:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:16:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:16:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:16:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:16:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:16:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:16:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:16:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:16:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:16:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:16:22,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:16:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:16:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:16:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:16:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:16:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:16:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:16:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-10-31 22:16:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-10-31 22:16:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:22,302 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:16:22,302 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:16:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 22:16:22,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 22:16:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:16:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:16:22,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:16:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:16:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:16:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:16:22,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:16:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:16:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:16:22,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:16:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:16:22,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:16:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:16:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:16:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:16:22,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:16:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:16:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:16:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:16:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:16:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-10-31 22:16:22,309 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-10-31 22:16:22,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:16:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:16:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:16:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:16:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:16:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-10-31 22:16:22,311 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-10-31 22:16:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-10-31 22:16:22,311 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-10-31 22:16:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:16:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:16:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:16:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:16:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:16:22,770 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:22,774 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:33,074 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-10-31 22:16:33,074 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:33,095 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:33,096 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 22:16:33,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:33 BoogieIcfgContainer [2024-10-31 22:16:33,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:33,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:33,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:33,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:33,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:17" (1/3) ... [2024-10-31 22:16:33,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3e083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:33, skipping insertion in model container [2024-10-31 22:16:33,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:21" (2/3) ... [2024-10-31 22:16:33,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3e083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:33, skipping insertion in model container [2024-10-31 22:16:33,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:33" (3/3) ... [2024-10-31 22:16:33,111 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness.i [2024-10-31 22:16:33,133 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:33,134 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:16:33,234 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:33,241 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;@616ddc70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:33,242 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:16:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 105 states have internal predecessors, (128), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-10-31 22:16:33,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-31 22:16:33,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:33,264 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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] [2024-10-31 22:16:33,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:33,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:33,272 INFO L85 PathProgramCache]: Analyzing trace with hash -613852057, now seen corresponding path program 1 times [2024-10-31 22:16:33,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:33,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695383533] [2024-10-31 22:16:33,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:33,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms