./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.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_hash_array_ignore_case_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 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:13:11,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:13:12,046 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:13:12,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:13:12,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:13:12,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:13:12,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:13:12,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:13:12,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:13:12,092 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:13:12,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:13:12,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:13:12,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:13:12,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:13:12,094 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:13:12,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:13:12,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:13:12,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:13:12,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:13:12,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:13:12,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:13:12,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:13:12,100 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:13:12,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:13:12,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:13:12,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:13:12,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:13:12,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:13:12,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:13:12,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:13:12,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:13:12,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:13:12,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:13:12,103 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:13:12,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:13:12,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:13:12,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:13:12,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:13:12,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:13:12,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d [2024-11-09 03:13:12,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:13:12,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:13:12,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:13:12,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:13:12,360 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:13:12,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2024-11-09 03:13:13,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:13:14,235 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:13:14,236 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2024-11-09 03:13:14,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b623d828d/e9548014799e4774b4690be4afbfe2e3/FLAG544f2f2bb [2024-11-09 03:13:14,296 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b623d828d/e9548014799e4774b4690be4afbfe2e3 [2024-11-09 03:13:14,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:13:14,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:13:14,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:13:14,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:13:14,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:13:14,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:13:14" (1/1) ... [2024-11-09 03:13:14,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb50acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:14, skipping insertion in model container [2024-11-09 03:13:14,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:13:14" (1/1) ... [2024-11-09 03:13:14,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:13:14,767 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_array_ignore_case_harness.i[4500,4513] [2024-11-09 03:13:14,775 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_array_ignore_case_harness.i[4560,4573] [2024-11-09 03:13:15,420 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:15,421 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:15,421 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:15,422 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:15,424 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:15,445 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:15,446 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:15,448 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:15,451 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:15,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:15,896 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:15,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:13:16,071 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:13:16,086 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_array_ignore_case_harness.i[4500,4513] [2024-11-09 03:13:16,087 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_array_ignore_case_harness.i[4560,4573] [2024-11-09 03:13:16,126 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:16,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:16,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:16,128 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:16,128 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:16,133 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:16,134 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:16,134 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:16,135 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:16,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-09 03:13:16,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:16,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:13:16,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-09 03:13:16,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:13:16,636 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:13:16,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16 WrapperNode [2024-11-09 03:13:16,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:13:16,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:13:16,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:13:16,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:13:16,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,792 INFO L138 Inliner]: procedures = 679, calls = 2595, calls flagged for inlining = 55, calls inlined = 3, statements flattened = 726 [2024-11-09 03:13:16,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:13:16,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:13:16,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:13:16,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:13:16,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,814 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,879 INFO L175 MemorySlicer]: Split 504 memory accesses to 5 slices as follows [2, 258, 238, 1, 5]. 51 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 5]. The 489 writes are split as follows [0, 257, 232, 0, 0]. [2024-11-09 03:13:16,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:13:16,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:13:16,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:13:16,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:13:16,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (1/1) ... [2024-11-09 03:13:16,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:13:16,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:13:16,969 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 03:13:16,976 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 03:13:17,018 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:13:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:13:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:13:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:13:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:13:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:13:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:13:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:13:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:13:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:13:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:13:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:13:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:13:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:13:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:13:17,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:13:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:13:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:13:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2024-11-09 03:13:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2024-11-09 03:13:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:13:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:13:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:13:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:13:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:13:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:13:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:13:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:13:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:13:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:13:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:13:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:13:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:13:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:13:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:13:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:13:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:13:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:13:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:13:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:13:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:13:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:13:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:13:17,252 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:13:17,258 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:13:25,012 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-09 03:13:25,013 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:13:25,023 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:13:25,023 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:13:25,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:13:25 BoogieIcfgContainer [2024-11-09 03:13:25,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:13:25,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:13:25,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:13:25,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:13:25,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:13:14" (1/3) ... [2024-11-09 03:13:25,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d62acfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:13:25, skipping insertion in model container [2024-11-09 03:13:25,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:13:16" (2/3) ... [2024-11-09 03:13:25,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d62acfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:13:25, skipping insertion in model container [2024-11-09 03:13:25,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:13:25" (3/3) ... [2024-11-09 03:13:25,031 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2024-11-09 03:13:25,043 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:13:25,043 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:13:25,084 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:13:25,089 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;@7e106e9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:13:25,089 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:13:25,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 38 states have internal predecessors, (46), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 03:13:25,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 03:13:25,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:13:25,098 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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 03:13:25,098 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:13:25,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:13:25,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1666211683, now seen corresponding path program 1 times [2024-11-09 03:13:25,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:13:25,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043546340] [2024-11-09 03:13:25,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:13:25,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:14:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:54,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:14:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:54,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:14:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:54,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:14:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:54,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:14:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:54,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 03:14:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:54,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 03:14:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:54,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:14:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:14:54,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 03:14:54,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:14:54,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043546340] [2024-11-09 03:14:54,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043546340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:14:54,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:14:54,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:14:54,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837721133] [2024-11-09 03:14:54,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:14:54,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:14:54,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:14:54,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:14:54,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:14:54,875 INFO L87 Difference]: Start difference. First operand has 56 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 38 states have internal predecessors, (46), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)