./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/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 fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/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-wip.dd.update-z3-fca748b-m [2024-11-20 10:08:24,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:08:24,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:08:24,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:08:24,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:08:24,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:08:24,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:08:24,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:08:24,969 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:08:24,970 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:08:24,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:08:24,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:08:24,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:08:24,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:08:24,971 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:08:24,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:08:24,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:08:24,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:08:24,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:08:24,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:08:24,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:08:24,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:08:24,974 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:08:24,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:08:24,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:08:24,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:08:24,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:08:24,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:08:24,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:08:24,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:08:24,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:08:24,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:08:24,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:08:24,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:08:24,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:08:24,977 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:08:24,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:08:24,978 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:08:24,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:08:24,978 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d [2024-11-20 10:08:25,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:08:25,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:08:25,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:08:25,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:08:25,267 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:08:25,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2024-11-20 10:08:26,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:08:27,216 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:08:27,218 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2024-11-20 10:08:27,259 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f660b505/a877ff035cca431695ef4e2c7b79d06c/FLAG3e11553a9 [2024-11-20 10:08:27,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f660b505/a877ff035cca431695ef4e2c7b79d06c [2024-11-20 10:08:27,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:08:27,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:08:27,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:08:27,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:08:27,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:08:27,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:08:27" (1/1) ... [2024-11-20 10:08:27,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de29aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:27, skipping insertion in model container [2024-11-20 10:08:27,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:08:27" (1/1) ... [2024-11-20 10:08:27,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:08:27,645 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] [2024-11-20 10:08:27,652 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] [2024-11-20 10:08:28,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:28,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:28,374 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:28,374 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:28,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:28,397 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:28,401 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:28,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:28,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,114 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,115 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:08:29,273 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:08:29,284 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] [2024-11-20 10:08:29,285 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] [2024-11-20 10:08:29,309 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,314 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,314 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,315 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,315 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-20 10:08:29,406 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,406 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:29,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-20 10:08:29,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:08:29,590 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:08:29,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29 WrapperNode [2024-11-20 10:08:29,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:08:29,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:08:29,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:08:29,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:08:29,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:29,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:29,798 INFO L138 Inliner]: procedures = 679, calls = 2595, calls flagged for inlining = 55, calls inlined = 3, statements flattened = 726 [2024-11-20 10:08:29,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:08:29,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:08:29,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:08:29,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:08:29,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:29,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:29,831 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:29,914 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]. [2024-11-20 10:08:29,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:29,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:29,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:29,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:29,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:29,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:30,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:08:30,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:08:30,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:08:30,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:08:30,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (1/1) ... [2024-11-20 10:08:30,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:08:30,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:08:30,096 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) [2024-11-20 10:08:30,100 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 [2024-11-20 10:08:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:08:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:08:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:08:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:08:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:08:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:08:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:08:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:08:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:08:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:08:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:08:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:08:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:08:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:08:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:08:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:08:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:08:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:08:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2024-11-20 10:08:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2024-11-20 10:08:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:08:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:08:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 10:08:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 10:08:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:08:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:08:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:08:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:08:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:08:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-20 10:08:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-20 10:08:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:08:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:08:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:08:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:08:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:08:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:08:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:08:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:08:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:08:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:08:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:08:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:08:30,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:08:30,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:08:37,974 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-20 10:08:37,975 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:08:37,993 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:08:37,993 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 10:08:37,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:08:37 BoogieIcfgContainer [2024-11-20 10:08:37,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:08:37,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:08:37,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:08:37,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:08:37,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:08:27" (1/3) ... [2024-11-20 10:08:38,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec0b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:08:37, skipping insertion in model container [2024-11-20 10:08:38,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:29" (2/3) ... [2024-11-20 10:08:38,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec0b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:08:38, skipping insertion in model container [2024-11-20 10:08:38,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:08:37" (3/3) ... [2024-11-20 10:08:38,002 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2024-11-20 10:08:38,017 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:08:38,018 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:08:38,067 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:08:38,073 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;@3b79ce34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:08:38,075 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:08:38,079 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) [2024-11-20 10:08:38,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 10:08:38,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:08:38,086 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] [2024-11-20 10:08:38,086 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:08:38,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:08:38,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1666211683, now seen corresponding path program 1 times [2024-11-20 10:08:38,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:08:38,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352401056] [2024-11-20 10:08:38,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:08:38,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:09:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:09:56,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:09:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:09:56,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:09:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:09:56,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:09:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:09:56,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:09:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:09:56,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 10:09:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:09:56,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 10:09:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:09:56,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:09:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:09:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 10:09:56,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:09:56,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352401056] [2024-11-20 10:09:56,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352401056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:09:56,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:09:56,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 10:09:56,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364767550] [2024-11-20 10:09:56,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:09:56,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 10:09:56,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:09:56,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 10:09:56,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:09:56,635 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) [2024-11-20 10:10:00,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:10:01,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:10:01,858 INFO L93 Difference]: Finished difference Result 107 states and 134 transitions. [2024-11-20 10:10:01,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 10:10:01,861 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 45 [2024-11-20 10:10:01,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:10:01,867 INFO L225 Difference]: With dead ends: 107 [2024-11-20 10:10:01,867 INFO L226 Difference]: Without dead ends: 53 [2024-11-20 10:10:01,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:10:01,871 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 33 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-20 10:10:01,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 43 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-20 10:10:01,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-20 10:10:01,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2024-11-20 10:10:01,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 10:10:01,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2024-11-20 10:10:01,918 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 45 [2024-11-20 10:10:01,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:10:01,918 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2024-11-20 10:10:01,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-20 10:10:01,918 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2024-11-20 10:10:01,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 10:10:01,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:10:01,920 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] [2024-11-20 10:10:01,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:10:01,920 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:10:01,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:10:01,921 INFO L85 PathProgramCache]: Analyzing trace with hash 829934363, now seen corresponding path program 1 times [2024-11-20 10:10:01,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:10:01,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970433337] [2024-11-20 10:10:01,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:10:01,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms