./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_string_compare_harness_negated.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 965d656958c5277ff7b46967a72c2c81e4c2c563a1b6d02990446bd426a67de4 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:21:15,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:21:15,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:21:15,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:21:15,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:21:15,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:21:15,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:21:15,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:21:15,553 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:21:15,556 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:21:15,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:21:15,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:21:15,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:21:15,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:21:15,558 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:21:15,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:21:15,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:21:15,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:21:15,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:21:15,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:21:15,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:21:15,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:21:15,563 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:21:15,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:21:15,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:21:15,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:21:15,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:21:15,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:21:15,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:21:15,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:21:15,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:21:15,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:21:15,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:21:15,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:21:15,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:21:15,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:21:15,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:21:15,571 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:21:15,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:21:15,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 965d656958c5277ff7b46967a72c2c81e4c2c563a1b6d02990446bd426a67de4 [2024-11-09 03:21:15,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:21:15,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:21:15,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:21:15,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:21:15,915 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:21:15,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i [2024-11-09 03:21:17,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:21:17,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:21:17,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_compare_harness_negated.i [2024-11-09 03:21:17,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54168e237/fc4578aa2bcc44da826f183852145893/FLAG7a2787e78 [2024-11-09 03:21:18,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54168e237/fc4578aa2bcc44da826f183852145893 [2024-11-09 03:21:18,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:21:18,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:21:18,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:21:18,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:21:18,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:21:18,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:21:18" (1/1) ... [2024-11-09 03:21:18,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc3e44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:18, skipping insertion in model container [2024-11-09 03:21:18,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:21:18" (1/1) ... [2024-11-09 03:21:18,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:21:18,566 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_string_compare_harness_negated.i[4492,4505] [2024-11-09 03:21:18,577 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_string_compare_harness_negated.i[4552,4565] [2024-11-09 03:21:19,314 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:19,315 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:19,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:19,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:19,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:19,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:19,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:19,334 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:19,335 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:19,919 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:19,919 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:21:20,083 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:21:20,099 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_string_compare_harness_negated.i[4492,4505] [2024-11-09 03:21:20,100 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_string_compare_harness_negated.i[4552,4565] [2024-11-09 03:21:20,204 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,208 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,219 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,223 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-09 03:21:20,355 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,355 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:20,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-09 03:21:20,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:21:20,636 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:21:20,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20 WrapperNode [2024-11-09 03:21:20,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:21:20,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:21:20,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:21:20,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:21:20,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:20,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:20,853 INFO L138 Inliner]: procedures = 682, calls = 2786, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 823 [2024-11-09 03:21:20,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:21:20,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:21:20,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:21:20,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:21:20,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:20,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:20,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:20,964 INFO L175 MemorySlicer]: Split 529 memory accesses to 6 slices as follows [2, 257, 238, 16, 11, 5]. 49 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 16, 0, 5]. The 492 writes are split as follows [0, 257, 232, 0, 3, 0]. [2024-11-09 03:21:20,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:20,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:21,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:21,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:21,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:21,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:21,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:21:21,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:21:21,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:21:21,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:21:21,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (1/1) ... [2024-11-09 03:21:21,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:21:21,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:21:21,089 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) [2024-11-09 03:21:21,095 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 [2024-11-09 03:21:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-09 03:21:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-09 03:21:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_compare [2024-11-09 03:21:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_compare [2024-11-09 03:21:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:21:21,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:21:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:21:21,147 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:21:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:21:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:21:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:21:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:21:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:21:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:21:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:21:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:21:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:21:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:21:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:21:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:21:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:21:21,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:21:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:21:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:21:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:21:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:21:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:21:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:21:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:21:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:21:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:21:21,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:21:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:21:21,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:21:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:21:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:21:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:21:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:21:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:21:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:21:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-09 03:21:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-09 03:21:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:21:21,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:21:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:21:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:21:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:21:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:21:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:21:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:21:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:21:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:21:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:21:21,155 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:21:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:21:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:21:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:21:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:21:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:21:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:21:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:21:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:21:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:21:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:21:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:21:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:21:21,490 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:21:21,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:21:29,396 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-09 03:21:29,397 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:21:29,410 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:21:29,410 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:21:29,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:21:29 BoogieIcfgContainer [2024-11-09 03:21:29,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:21:29,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:21:29,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:21:29,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:21:29,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:21:18" (1/3) ... [2024-11-09 03:21:29,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f4ed50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:21:29, skipping insertion in model container [2024-11-09 03:21:29,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:20" (2/3) ... [2024-11-09 03:21:29,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f4ed50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:21:29, skipping insertion in model container [2024-11-09 03:21:29,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:21:29" (3/3) ... [2024-11-09 03:21:29,423 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness_negated.i [2024-11-09 03:21:29,439 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:21:29,440 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:21:29,517 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:21:29,525 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;@4bd2a435, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:21:29,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:21:29,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 77 states have internal predecessors, (97), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 03:21:29,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 03:21:29,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:21:29,548 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-09 03:21:29,548 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:21:29,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:21:29,554 INFO L85 PathProgramCache]: Analyzing trace with hash 127762490, now seen corresponding path program 1 times [2024-11-09 03:21:29,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:21:29,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981478594] [2024-11-09 03:21:29,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:21:29,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:22:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:48,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:22:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:48,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:22:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:48,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 03:22:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:48,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-09 03:22:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:48,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 03:22:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:48,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:22:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:48,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:22:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:22:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 03:22:48,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:22:48,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981478594] [2024-11-09 03:22:48,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981478594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:22:48,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:22:48,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 03:22:48,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83651845] [2024-11-09 03:22:48,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:22:48,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 03:22:48,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:22:48,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 03:22:48,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 03:22:48,279 INFO L87 Difference]: Start difference. First operand has 121 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 77 states have internal predecessors, (97), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 03:22:48,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:22:48,328 INFO L93 Difference]: Finished difference Result 237 states and 336 transitions. [2024-11-09 03:22:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 03:22:48,331 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-11-09 03:22:48,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:22:48,341 INFO L225 Difference]: With dead ends: 237 [2024-11-09 03:22:48,341 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 03:22:48,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 03:22:48,355 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 03:22:48,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 03:22:48,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 03:22:48,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-09 03:22:48,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 72 states have (on average 1.25) internal successors, (90), 73 states have internal predecessors, (90), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 03:22:48,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 155 transitions. [2024-11-09 03:22:48,415 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 155 transitions. Word has length 50 [2024-11-09 03:22:48,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:22:48,417 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 155 transitions. [2024-11-09 03:22:48,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 03:22:48,417 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 155 transitions. [2024-11-09 03:22:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 03:22:48,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:22:48,421 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-09 03:22:48,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:22:48,421 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:22:48,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:22:48,425 INFO L85 PathProgramCache]: Analyzing trace with hash -460652934, now seen corresponding path program 1 times [2024-11-09 03:22:48,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:22:48,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783765043] [2024-11-09 03:22:48,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:22:48,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms