./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:18:30,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:18:30,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:18:30,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:18:30,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:18:30,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:18:30,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:18:30,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:18:30,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:18:30,811 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:18:30,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:18:30,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:18:30,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:18:30,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:18:30,815 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:18:30,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:18:30,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:18:30,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:18:30,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:18:30,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:18:30,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:18:30,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:18:30,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:18:30,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:18:30,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:18:30,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:18:30,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:18:30,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:18:30,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:18:30,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:18:30,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:18:30,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:18:30,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:18:30,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:18:30,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:18:30,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:18:30,824 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:18:30,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:18:30,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:18:30,825 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2024-11-19 02:18:31,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:18:31,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:18:31,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:18:31,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:18:31,104 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:18:31,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2024-11-19 02:18:32,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:18:33,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:18:33,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2024-11-19 02:18:33,188 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d78aba09/41fbfe5453ae4666ac3785943c4d8dbf/FLAGdc31ec469 [2024-11-19 02:18:33,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d78aba09/41fbfe5453ae4666ac3785943c4d8dbf [2024-11-19 02:18:33,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:18:33,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:18:33,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:18:33,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:18:33,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:18:33,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:18:33" (1/1) ... [2024-11-19 02:18:33,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f9eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:33, skipping insertion in model container [2024-11-19 02:18:33,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:18:33" (1/1) ... [2024-11-19 02:18:33,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:18:34,226 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4501,4514] [2024-11-19 02:18:34,236 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4561,4574] [2024-11-19 02:18:35,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:35,155 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:35,155 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:35,156 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:35,160 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:35,181 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:35,183 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:35,186 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:35,187 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:35,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:35,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,297 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,298 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,324 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,350 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,351 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,351 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:18:36,454 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:18:36,469 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4501,4514] [2024-11-19 02:18:36,470 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4561,4574] [2024-11-19 02:18:36,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,532 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2024-11-19 02:18:36,636 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,638 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,714 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,780 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,787 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,798 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,799 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,799 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,799 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,800 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,800 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:18:36,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:18:37,098 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:18:37,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37 WrapperNode [2024-11-19 02:18:37,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:18:37,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:18:37,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:18:37,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:18:37,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,310 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 403 [2024-11-19 02:18:37,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:18:37,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:18:37,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:18:37,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:18:37,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,338 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,382 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 13, 257, 5]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 5]. The 260 writes are split as follows [0, 3, 257, 0]. [2024-11-19 02:18:37,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:18:37,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:18:37,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:18:37,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:18:37,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (1/1) ... [2024-11-19 02:18:37,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:18:37,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:18:37,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:18:37,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:18:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-19 02:18:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-19 02:18:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:18:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:18:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:18:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:18:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:18:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:18:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:18:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:18:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:18:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:18:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:18:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:18:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:18:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:18:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:18:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:18:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:18:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:18:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:18:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:18:37,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:18:37,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:18:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:18:37,541 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:18:37,541 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:18:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:18:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-19 02:18:37,542 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-19 02:18:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:18:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:18:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:18:37,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:18:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:18:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:18:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:18:37,543 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:18:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:18:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:18:37,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:18:37,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:18:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-19 02:18:37,545 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-19 02:18:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:18:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:18:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:18:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:18:37,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:18:37,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:18:44,989 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2024-11-19 02:18:45,076 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-19 02:18:45,076 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:18:45,088 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:18:45,088 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 02:18:45,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:18:45 BoogieIcfgContainer [2024-11-19 02:18:45,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:18:45,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:18:45,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:18:45,094 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:18:45,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:18:33" (1/3) ... [2024-11-19 02:18:45,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755ff363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:18:45, skipping insertion in model container [2024-11-19 02:18:45,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:18:37" (2/3) ... [2024-11-19 02:18:45,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755ff363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:18:45, skipping insertion in model container [2024-11-19 02:18:45,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:18:45" (3/3) ... [2024-11-19 02:18:45,096 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2024-11-19 02:18:45,111 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:18:45,111 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:18:45,171 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:18:45,178 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;@4e3ec2f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:18:45,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:18:45,182 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) [2024-11-19 02:18:45,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-19 02:18:45,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:18:45,198 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] [2024-11-19 02:18:45,199 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:18:45,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:18:45,205 INFO L85 PathProgramCache]: Analyzing trace with hash 436511225, now seen corresponding path program 1 times [2024-11-19 02:18:45,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:18:45,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582209158] [2024-11-19 02:18:45,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:18:45,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:19:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:19:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-19 02:19:32,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:19:32,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582209158] [2024-11-19 02:19:32,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582209158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:19:32,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845921708] [2024-11-19 02:19:32,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:19:32,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:19:32,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:19:32,763 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:19:32,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process