./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_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_d4cc66d8-d042-42a5-90f6-d0b0f3820444/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/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_d4cc66d8-d042-42a5-90f6-d0b0f3820444/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/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_d4cc66d8-d042-42a5-90f6-d0b0f3820444/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 e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:34,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:34,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:09:34,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:34,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:34,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:34,382 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:34,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:34,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:09:34,384 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:09:34,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:34,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:34,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:34,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:34,386 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:34,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:34,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:34,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:34,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:34,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:34,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:34,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:34,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:34,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:34,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:34,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:34,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:34,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:09:34,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:34,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:34,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:34,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:34,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:34,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:34,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:09:34,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:34,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:34,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:34,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:34,399 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_d4cc66d8-d042-42a5-90f6-d0b0f3820444/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2024-10-31 22:09:34,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:34,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:34,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:34,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:34,704 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:34,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i Unable to find full path for "g++" [2024-10-31 22:09:37,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:37,861 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:37,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2024-10-31 22:09:37,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/bin/uautomizer-verify-4GaUIPS5ZU/data/be294aeb7/a52730ce23174360be26db983b02d340/FLAG76b59f30a [2024-10-31 22:09:37,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/bin/uautomizer-verify-4GaUIPS5ZU/data/be294aeb7/a52730ce23174360be26db983b02d340 [2024-10-31 22:09:37,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:37,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:37,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:37,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:37,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:37,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:37" (1/1) ... [2024-10-31 22:09:37,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac667cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:37, skipping insertion in model container [2024-10-31 22:09:37,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:37" (1/1) ... [2024-10-31 22:09:38,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:38,597 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_d4cc66d8-d042-42a5-90f6-d0b0f3820444/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2024-10-31 22:09:38,608 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_d4cc66d8-d042-42a5-90f6-d0b0f3820444/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2024-10-31 22:09:39,937 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,938 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,943 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,945 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,947 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,974 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,979 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,982 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:39,983 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,135 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,136 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,584 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,585 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,615 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,617 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,627 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,628 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,649 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,650 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,651 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,652 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,653 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,654 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,654 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:41,860 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:09:41,886 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_d4cc66d8-d042-42a5-90f6-d0b0f3820444/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2024-10-31 22:09:41,886 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_d4cc66d8-d042-42a5-90f6-d0b0f3820444/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2024-10-31 22:09:41,947 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,947 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,948 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,950 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,951 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,959 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,961 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,964 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:41,964 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2024-10-31 22:09:42,128 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,129 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,237 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,238 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,252 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,257 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,260 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,260 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,276 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,277 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,277 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,278 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,278 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,279 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,279 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:42,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:42,617 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:09:42,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42 WrapperNode [2024-10-31 22:09:42,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:42,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:42,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:09:42,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:09:42,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,832 INFO L138 Inliner]: procedures = 757, calls = 3252, calls flagged for inlining = 78, calls inlined = 5, statements flattened = 338 [2024-10-31 22:09:42,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:42,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:09:42,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:09:42,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:09:42,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,856 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,894 INFO L175 MemorySlicer]: Split 267 memory accesses to 4 slices as follows [2, 3, 5, 257]. 96 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 5, 0]. The 257 writes are split as follows [0, 0, 0, 257]. [2024-10-31 22:09:42,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:09:42,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:09:42,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:09:42,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:09:42,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (1/1) ... [2024-10-31 22:09:42,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:42,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:09:43,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:09:43,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cc66d8-d042-42a5-90f6-d0b0f3820444/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:09:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:09:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:09:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:09:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:09:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:09:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:09:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:09:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:09:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:09:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:09:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:09:43,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:09:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:09:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:09:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:09:43,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:09:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:09:43,047 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:09:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:09:43,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:09:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:09:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:09:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:09:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:09:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:09:43,047 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:09:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_c_str_is_allocated [2024-10-31 22:09:43,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_c_str_is_allocated [2024-10-31 22:09:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-10-31 22:09:43,049 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-10-31 22:09:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:09:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:09:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:09:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:09:43,402 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:09:43,406 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:09:51,132 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2024-10-31 22:09:51,201 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-10-31 22:09:51,202 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:09:51,218 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:09:51,218 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:09:51,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:51 BoogieIcfgContainer [2024-10-31 22:09:51,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:09:51,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:09:51,222 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:09:51,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:09:51,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:09:37" (1/3) ... [2024-10-31 22:09:51,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e64e0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:51, skipping insertion in model container [2024-10-31 22:09:51,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:42" (2/3) ... [2024-10-31 22:09:51,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e64e0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:09:51, skipping insertion in model container [2024-10-31 22:09:51,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:09:51" (3/3) ... [2024-10-31 22:09:51,235 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness.i [2024-10-31 22:09:51,256 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:09:51,256 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:09:51,353 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:09:51,360 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;@1d30bfed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:09:51,360 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:09:51,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:09:51,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-31 22:09:51,378 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:09:51,378 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-31 22:09:51,379 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:09:51,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:51,386 INFO L85 PathProgramCache]: Analyzing trace with hash 997182196, now seen corresponding path program 1 times [2024-10-31 22:09:51,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:51,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71030133] [2024-10-31 22:09:51,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:51,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms