./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_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_92c9f189-69b2-422e-a844-87804134edde/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/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_92c9f189-69b2-422e-a844-87804134edde/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/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_92c9f189-69b2-422e-a844-87804134edde/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 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:40,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:40,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:14:40,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:40,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:40,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:40,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:40,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:40,996 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:14:40,997 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:14:40,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:14:40,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:14:40,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:40,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:41,000 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:41,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:41,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:14:41,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:14:41,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:41,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:14:41,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:14:41,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:14:41,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:41,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:41,009 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:41,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:41,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:41,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:14:41,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:14:41,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:41,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:41,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:14:41,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:14:41,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:14:41,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:14:41,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:14:41,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:14:41,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:14:41,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:14:41,016 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_92c9f189-69b2-422e-a844-87804134edde/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2024-10-31 22:14:41,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:41,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:41,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:41,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:41,360 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:41,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i Unable to find full path for "g++" [2024-10-31 22:14:43,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:44,087 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:44,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2024-10-31 22:14:44,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/bin/uautomizer-verify-4GaUIPS5ZU/data/ed0f51f54/f7861c2455be4a4fbd390bb6079d1483/FLAGd9892f18f [2024-10-31 22:14:44,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/bin/uautomizer-verify-4GaUIPS5ZU/data/ed0f51f54/f7861c2455be4a4fbd390bb6079d1483 [2024-10-31 22:14:44,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:44,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:44,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:44,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:44,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:44,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:44" (1/1) ... [2024-10-31 22:14:44,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4638aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:44, skipping insertion in model container [2024-10-31 22:14:44,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:44" (1/1) ... [2024-10-31 22:14:44,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:44,698 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_92c9f189-69b2-422e-a844-87804134edde/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4501,4514] [2024-10-31 22:14:44,709 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_92c9f189-69b2-422e-a844-87804134edde/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4561,4574] [2024-10-31 22:14:46,047 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,048 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,049 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,050 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,051 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,069 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,070 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,072 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:46,073 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,098 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,099 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,578 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,578 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,642 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,643 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,653 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,657 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,683 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,685 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,686 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,686 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,687 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,687 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,688 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:47,813 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:47,833 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_92c9f189-69b2-422e-a844-87804134edde/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4501,4514] [2024-10-31 22:14:47,835 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_92c9f189-69b2-422e-a844-87804134edde/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4561,4574] [2024-10-31 22:14:47,896 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,896 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,896 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,897 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,897 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,904 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,904 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,906 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:47,906 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2024-10-31 22:14:48,028 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,031 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,276 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,276 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,293 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,294 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,298 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,299 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,310 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,312 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,313 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,313 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,314 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,314 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,315 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:14:48,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:48,666 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:48,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48 WrapperNode [2024-10-31 22:14:48,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:48,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:48,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:48,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:48,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:48,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:48,903 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 403 [2024-10-31 22:14:48,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:48,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:48,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:48,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:48,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:48,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:48,939 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:48,980 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 5, 257, 13]. 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, 257, 3]. [2024-10-31 22:14:48,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:48,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:49,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:49,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:49,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:49,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:49,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:49,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:49,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:49,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:49,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (1/1) ... [2024-10-31 22:14:49,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:49,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:49,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:49,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92c9f189-69b2-422e-a844-87804134edde/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-10-31 22:14:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-10-31 22:14:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:14:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:14:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:14:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:14:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:14:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:14:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:14:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:14:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:14:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:14:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:14:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:14:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:14:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:14:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:14:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:14:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:14:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:14:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:14:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:14:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:14:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:14:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:14:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-10-31 22:14:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-10-31 22:14:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:14:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:14:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:14:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:14:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:14:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:14:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:14:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:14:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:14:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:14:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:14:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:14:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-10-31 22:14:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-10-31 22:14:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:14:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:14:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:14:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:14:49,518 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:49,522 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:57,271 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2024-10-31 22:14:57,353 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-10-31 22:14:57,354 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:57,368 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:57,368 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:14:57,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:57 BoogieIcfgContainer [2024-10-31 22:14:57,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:57,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:57,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:57,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:57,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:44" (1/3) ... [2024-10-31 22:14:57,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd8d772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:57, skipping insertion in model container [2024-10-31 22:14:57,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:48" (2/3) ... [2024-10-31 22:14:57,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd8d772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:57, skipping insertion in model container [2024-10-31 22:14:57,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:57" (3/3) ... [2024-10-31 22:14:57,377 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2024-10-31 22:14:57,396 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:57,396 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:14:57,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:14:57,483 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;@39629d08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:14:57,484 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:14:57,489 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 22:14:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-31 22:14:57,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:57,505 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 22:14:57,506 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:57,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:57,512 INFO L85 PathProgramCache]: Analyzing trace with hash 436511225, now seen corresponding path program 1 times [2024-10-31 22:14:57,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:57,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794322144] [2024-10-31 22:14:57,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:57,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms