./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_compare_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_string_compare_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 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:25:24,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:25:24,212 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:25:24,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:25:24,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:25:24,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:25:24,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:25:24,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:25:24,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:25:24,245 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:25:24,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:25:24,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:25:24,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:25:24,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:25:24,248 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:25:24,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:25:24,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:25:24,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:25:24,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:25:24,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:25:24,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:25:24,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:25:24,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:25:24,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:25:24,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:25:24,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:25:24,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:25:24,254 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:25:24,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:25:24,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:25:24,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:25:24,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:25:24,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:25:24,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:25:24,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:25:24,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:25:24,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:25:24,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:25:24,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:25:24,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d [2024-11-19 02:25:24,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:25:24,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:25:24,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:25:24,544 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:25:24,545 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:25:24,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2024-11-19 02:25:26,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:25:26,509 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:25:26,510 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2024-11-19 02:25:26,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b462f5b/1e9d8ac5ae72459da8ee10ab82cc3433/FLAG0ad7af214 [2024-11-19 02:25:26,564 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04b462f5b/1e9d8ac5ae72459da8ee10ab82cc3433 [2024-11-19 02:25:26,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:25:26,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:25:26,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:25:26,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:25:26,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:25:26,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:25:26" (1/1) ... [2024-11-19 02:25:26,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc59d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:26, skipping insertion in model container [2024-11-19 02:25:26,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:25:26" (1/1) ... [2024-11-19 02:25:26,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:25:27,039 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.i[4492,4505] [2024-11-19 02:25:27,047 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.i[4552,4565] [2024-11-19 02:25:27,878 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:27,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:27,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:27,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:27,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:27,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:27,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:27,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:27,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:25:28,687 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:25:28,706 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.i[4492,4505] [2024-11-19 02:25:28,706 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.i[4552,4565] [2024-11-19 02:25:28,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,751 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,757 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,757 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,758 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-19 02:25:28,901 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,901 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:25:28,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-19 02:25:28,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:25:29,235 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:25:29,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29 WrapperNode [2024-11-19 02:25:29,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:25:29,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:25:29,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:25:29,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:25:29,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,426 INFO L138 Inliner]: procedures = 682, calls = 2786, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 823 [2024-11-19 02:25:29,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:25:29,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:25:29,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:25:29,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:25:29,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,450 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,534 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]. [2024-11-19 02:25:29,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:25:29,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:25:29,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:25:29,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:25:29,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (1/1) ... [2024-11-19 02:25:29,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:25:29,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:25:29,666 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 02:25:29,669 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 02:25:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-19 02:25:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-19 02:25:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_compare [2024-11-19 02:25:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_compare [2024-11-19 02:25:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:25:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:25:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:25:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:25:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:25:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:25:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:25:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:25:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:25:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:25:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:25:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:25:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:25:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:25:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:25:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:25:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:25:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:25:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:25:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:25:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:25:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:25:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:25:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:25:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:25:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:25:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:25:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:25:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:25:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:25:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:25:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:25:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:25:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:25:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:25:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:25:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-19 02:25:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-19 02:25:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:25:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:25:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:25:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:25:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:25:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:25:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:25:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:25:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:25:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:25:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:25:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:25:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:25:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:25:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:25:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:25:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:25:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:25:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:25:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:25:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:25:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:25:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:25:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:25:30,084 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:25:30,087 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:25:38,177 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-19 02:25:38,177 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:25:38,195 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:25:38,196 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:25:38,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:25:38 BoogieIcfgContainer [2024-11-19 02:25:38,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:25:38,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:25:38,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:25:38,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:25:38,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:25:26" (1/3) ... [2024-11-19 02:25:38,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676dccca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:25:38, skipping insertion in model container [2024-11-19 02:25:38,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:25:29" (2/3) ... [2024-11-19 02:25:38,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676dccca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:25:38, skipping insertion in model container [2024-11-19 02:25:38,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:25:38" (3/3) ... [2024-11-19 02:25:38,207 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness.i [2024-11-19 02:25:38,224 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:25:38,224 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:25:38,293 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:25:38,299 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;@25e4bcae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:25:38,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:25:38,306 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) [2024-11-19 02:25:38,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 02:25:38,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:25:38,315 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] [2024-11-19 02:25:38,316 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:25:38,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:25:38,320 INFO L85 PathProgramCache]: Analyzing trace with hash 127762490, now seen corresponding path program 1 times [2024-11-19 02:25:38,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:25:38,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757036374] [2024-11-19 02:25:38,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:25:38,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:26:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:26:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-19 02:26:57,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:26:57,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757036374] [2024-11-19 02:26:57,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757036374] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:26:57,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075098586] [2024-11-19 02:26:57,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:26:57,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:26:57,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:26:57,126 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 02:26:57,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process