./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 023d838f 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-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:59:32,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:59:32,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:59:33,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:59:33,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:59:33,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:59:33,029 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:59:33,030 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:59:33,030 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:59:33,031 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:59:33,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:59:33,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:59:33,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:59:33,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:59:33,034 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:59:33,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:59:33,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:59:33,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:59:33,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:59:33,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:59:33,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:59:33,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:59:33,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:59:33,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:59:33,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:59:33,040 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:59:33,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:59:33,040 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:59:33,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:59:33,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:59:33,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:59:33,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:59:33,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:59:33,041 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:59:33,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:59:33,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:59:33,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:59:33,042 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:59:33,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:59:33,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d [2024-11-10 10:59:33,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:59:33,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:59:33,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:59:33,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:59:33,275 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:59:33,276 INFO L431 ainManager$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 [2024-11-10 10:59:34,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:59:34,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:59:34,856 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2024-11-10 10:59:34,894 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339d3a43a/56ca6b1772a5489da96dd7b767cc5810/FLAG4fa858e0f [2024-11-10 10:59:35,071 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339d3a43a/56ca6b1772a5489da96dd7b767cc5810 [2024-11-10 10:59:35,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:59:35,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:59:35,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:59:35,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:59:35,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:59:35,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:59:35" (1/1) ... [2024-11-10 10:59:35,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c00e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:35, skipping insertion in model container [2024-11-10 10:59:35,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:59:35" (1/1) ... [2024-11-10 10:59:35,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:59:35,442 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] [2024-11-10 10:59:35,451 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] [2024-11-10 10:59:36,052 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,053 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,053 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,054 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,055 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,073 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,074 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,075 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,075 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,525 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,529 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:59:36,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:59:36,645 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] [2024-11-10 10:59:36,645 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[4560,4573] [2024-11-10 10:59:36,675 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,677 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,677 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,678 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,678 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,715 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,718 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,719 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,720 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-10 10:59:36,798 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,799 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:59:36,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-10 10:59:36,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:59:37,010 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:59:37,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37 WrapperNode [2024-11-10 10:59:37,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:59:37,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:59:37,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:59:37,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:59:37,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,169 INFO L138 Inliner]: procedures = 679, calls = 2595, calls flagged for inlining = 55, calls inlined = 3, statements flattened = 726 [2024-11-10 10:59:37,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:59:37,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:59:37,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:59:37,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:59:37,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,251 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]. [2024-11-10 10:59:37,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,276 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:59:37,302 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:59:37,302 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:59:37,302 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:59:37,304 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (1/1) ... [2024-11-10 10:59:37,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:59:37,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:59:37,337 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) [2024-11-10 10:59:37,339 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 [2024-11-10 10:59:37,377 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:59:37,378 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:59:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:59:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:59:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:59:37,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:59:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:59:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:59:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:59:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:59:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:59:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:59:37,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:59:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:59:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:59:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:59:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:59:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:59:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2024-11-10 10:59:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2024-11-10 10:59:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:59:37,381 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:59:37,381 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 10:59:37,382 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 10:59:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:59:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:59:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:59:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:59:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:59:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 10:59:37,382 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 10:59:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:59:37,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:59:37,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:59:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:59:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:59:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:59:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:59:37,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:59:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:59:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:59:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:59:37,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:59:37,607 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:59:37,610 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:59:37,642 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:59:37,651 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:59:37,653 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 10:59:37,660 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-10 10:59:44,676 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-10 10:59:44,676 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:59:44,692 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:59:44,693 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:59:44,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:59:44 BoogieIcfgContainer [2024-11-10 10:59:44,694 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:59:44,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:59:44,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:59:44,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:59:44,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:59:35" (1/3) ... [2024-11-10 10:59:44,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df6b14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:59:44, skipping insertion in model container [2024-11-10 10:59:44,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:59:37" (2/3) ... [2024-11-10 10:59:44,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df6b14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:59:44, skipping insertion in model container [2024-11-10 10:59:44,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:59:44" (3/3) ... [2024-11-10 10:59:44,703 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2024-11-10 10:59:44,719 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:59:44,719 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:59:44,770 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:59:44,775 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;@775a921, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:59:44,776 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:59:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 40 states have internal predecessors, (48), 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) [2024-11-10 10:59:44,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 10:59:44,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:59:44,788 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] [2024-11-10 10:59:44,789 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:59:44,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:59:44,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1347015302, now seen corresponding path program 1 times [2024-11-10 10:59:44,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:59:44,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184466279] [2024-11-10 10:59:44,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:59:44,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:01:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:01,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:01:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:01:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:01,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:01:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:01,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:01:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:01,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 11:01:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:01,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 11:01:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:01,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:01:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:01,497 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 11:01:01,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:01:01,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184466279] [2024-11-10 11:01:01,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184466279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:01:01,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:01:01,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 11:01:01,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323128362] [2024-11-10 11:01:01,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:01:01,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 11:01:01,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:01:01,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 11:01:01,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 11:01:01,532 INFO L87 Difference]: Start difference. First operand has 58 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 40 states have internal predecessors, (48), 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) [2024-11-10 11:01:05,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:01:06,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:01:06,870 INFO L93 Difference]: Finished difference Result 110 states and 137 transitions. [2024-11-10 11:01:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 11:01:06,873 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 [2024-11-10 11:01:06,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:01:06,879 INFO L225 Difference]: With dead ends: 110 [2024-11-10 11:01:06,879 INFO L226 Difference]: Without dead ends: 54 [2024-11-10 11:01:06,882 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 [2024-11-10 11:01:06,884 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 34 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-10 11:01:06,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 43 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-10 11:01:06,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-10 11:01:06,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2024-11-10 11:01:06,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 34 states have internal predecessors, (39), 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) [2024-11-10 11:01:06,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2024-11-10 11:01:06,916 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 45 [2024-11-10 11:01:06,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:01:06,916 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2024-11-10 11:01:06,916 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) [2024-11-10 11:01:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2024-11-10 11:01:06,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 11:01:06,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:01:06,921 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, 1] [2024-11-10 11:01:06,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 11:01:06,922 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:01:06,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:01:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash 989151343, now seen corresponding path program 1 times [2024-11-10 11:01:06,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:01:06,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279267262] [2024-11-10 11:01:06,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:01:06,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms