./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_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_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/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_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/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_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/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 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:51,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:51,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:09:51,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:51,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:51,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:51,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:51,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:51,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:09:51,645 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:09:51,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:51,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:51,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:51,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:51,649 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:51,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:51,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:51,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:51,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:51,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:51,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:51,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:51,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:51,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:51,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:51,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:51,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:51,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:09:51,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:51,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:51,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:51,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:51,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:51,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:51,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:09:51,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:51,658 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:51,658 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:51,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:51,658 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_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81878f133cf1520a898ab1dccc3c4ea8564ccc1e7b92efe6b8b73fb69d10ec78 [2024-10-31 22:09:52,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:52,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:52,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:52,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:52,062 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:52,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:09:54,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:55,261 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:55,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2024-10-31 22:09:55,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/bin/uautomizer-verify-4GaUIPS5ZU/data/2ba3f5147/7144ba94f5244906aa92c159f227b114/FLAG08464f00e [2024-10-31 22:09:55,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/bin/uautomizer-verify-4GaUIPS5ZU/data/2ba3f5147/7144ba94f5244906aa92c159f227b114 [2024-10-31 22:09:55,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:55,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:55,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:55,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:55,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:55,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:55" (1/1) ... [2024-10-31 22:09:55,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69893887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:55, skipping insertion in model container [2024-10-31 22:09:55,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:55" (1/1) ... [2024-10-31 22:09:55,562 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:56,081 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_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4501,4514] [2024-10-31 22:09:56,095 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_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4561,4574] [2024-10-31 22:09:57,897 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:57,902 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:57,905 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:57,906 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:57,911 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:57,950 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:57,956 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:57,959 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:57,960 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,286 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,287 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,709 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,710 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,736 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,741 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,752 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,752 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,823 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,824 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,825 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,829 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,829 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,830 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,830 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:59,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:59,982 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:10:00,000 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_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4501,4514] [2024-10-31 22:10:00,001 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_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4561,4574] [2024-10-31 22:10:00,047 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,048 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,048 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,049 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,050 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,061 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,061 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,064 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,064 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2024-10-31 22:10:00,251 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,254 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,384 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,385 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,401 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,402 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,407 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,408 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,422 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,424 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,425 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,426 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,426 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,427 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,428 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:10:00,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:10:00,908 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:10:00,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00 WrapperNode [2024-10-31 22:10:00,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:00,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:10:00,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:10:00,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:10:00,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,178 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 403 [2024-10-31 22:10:01,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:10:01,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:10:01,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:10:01,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:10:01,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,209 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,243 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 5, 13, 257]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 260 writes are split as follows [0, 0, 3, 257]. [2024-10-31 22:10:01,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:10:01,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:10:01,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:10:01,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:10:01,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (1/1) ... [2024-10-31 22:10:01,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:01,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:10:01,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:10:01,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abc9cd0-d107-4c6a-8b67-18ed9b48f984/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:10:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-10-31 22:10:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-10-31 22:10:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:10:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:10:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:10:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:10:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:10:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:10:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:10:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:10:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:10:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:10:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:10:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:10:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:10:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:10:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:10:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:10:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:10:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:10:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:10:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:10:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:10:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:10:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:10:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:10:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:10:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:10:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-10-31 22:10:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-10-31 22:10:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:10:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:10:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:10:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:10:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:10:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:10:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:10:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:10:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:10:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:10:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:10:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:10:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-10-31 22:10:01,395 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-10-31 22:10:01,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:10:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:10:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:10:01,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:10:01,863 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:10:01,867 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:10:09,851 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2024-10-31 22:10:09,956 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-10-31 22:10:09,957 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:10:09,978 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:10:09,979 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:10:09,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:09 BoogieIcfgContainer [2024-10-31 22:10:09,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:10:09,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:10:09,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:10:09,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:10:09,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:09:55" (1/3) ... [2024-10-31 22:10:09,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369099ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:09, skipping insertion in model container [2024-10-31 22:10:09,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:00" (2/3) ... [2024-10-31 22:10:09,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369099ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:09, skipping insertion in model container [2024-10-31 22:10:09,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:09" (3/3) ... [2024-10-31 22:10:09,999 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness_negated.i [2024-10-31 22:10:10,023 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:10:10,024 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:10:10,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:10:10,133 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;@5be2c977, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:10:10,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:10:10,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-31 22:10:10,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-31 22:10:10,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:10,153 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:10,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:10:10,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:10,161 INFO L85 PathProgramCache]: Analyzing trace with hash 436511225, now seen corresponding path program 1 times [2024-10-31 22:10:10,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:10,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367783697] [2024-10-31 22:10:10,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:10,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms