./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_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 378441a9bcec2a4eb6d1dae870bed526bd742843c0fa114d0ed9d4e2e4a551a9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:05:44,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:05:44,750 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:05:44,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:05:44,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:05:44,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:05:44,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:05:44,779 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:05:44,779 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:05:44,780 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:05:44,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:05:44,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:05:44,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:05:44,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:05:44,782 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:05:44,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:05:44,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:05:44,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:05:44,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:05:44,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:05:44,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:05:44,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:05:44,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:05:44,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:05:44,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:05:44,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:05:44,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:05:44,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:05:44,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:05:44,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:05:44,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:05:44,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:05:44,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:05:44,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:05:44,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:05:44,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:05:44,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:05:44,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:05:44,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:05:44,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 378441a9bcec2a4eb6d1dae870bed526bd742843c0fa114d0ed9d4e2e4a551a9 [2024-11-22 14:05:45,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:05:45,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:05:45,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:05:45,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:05:45,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:05:45,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_ignore_case_harness.i [2024-11-22 14:05:46,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:05:47,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:05:47,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_ignore_case_harness.i [2024-11-22 14:05:47,101 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe4b975d/3211bbadd34f472786b1171046a71c12/FLAGd855838ff [2024-11-22 14:05:47,605 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe4b975d/3211bbadd34f472786b1171046a71c12 [2024-11-22 14:05:47,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:05:47,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:05:47,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:05:47,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:05:47,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:05:47,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:47" (1/1) ... [2024-11-22 14:05:47,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b09f8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:47, skipping insertion in model container [2024-11-22 14:05:47,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:47" (1/1) ... [2024-11-22 14:05:47,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:05:48,020 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_byte_buf_eq_ignore_case_harness.i[4501,4514] [2024-11-22 14:05:48,031 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_byte_buf_eq_ignore_case_harness.i[4561,4574] [2024-11-22 14:05:49,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:49,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:49,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:49,055 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:49,059 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:49,076 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:49,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:49,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:49,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,095 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,098 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:05:50,255 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:05:50,269 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_byte_buf_eq_ignore_case_harness.i[4501,4514] [2024-11-22 14:05:50,272 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_byte_buf_eq_ignore_case_harness.i[4561,4574] [2024-11-22 14:05:50,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,326 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,326 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,327 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-22 14:05:50,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:05:50,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-22 14:05:50,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:05:50,812 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:05:50,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50 WrapperNode [2024-11-22 14:05:50,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:05:50,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:05:50,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:05:50,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:05:50,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:50,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:51,036 INFO L138 Inliner]: procedures = 680, calls = 2663, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 876 [2024-11-22 14:05:51,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:05:51,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:05:51,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:05:51,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:05:51,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:51,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:51,066 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:51,177 INFO L175 MemorySlicer]: Split 576 memory accesses to 6 slices as follows [2, 259, 238, 9, 6, 62]. 45 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 5, 0, 16]. The 497 writes are split as follows [0, 257, 232, 0, 2, 6]. [2024-11-22 14:05:51,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:51,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:51,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:51,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:51,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:51,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:51,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:05:51,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:05:51,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:05:51,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:05:51,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (1/1) ... [2024-11-22 14:05:51,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:05:51,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:05:51,326 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) [2024-11-22 14:05:51,328 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 [2024-11-22 14:05:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:05:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:05:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_ignore_case [2024-11-22 14:05:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_ignore_case [2024-11-22 14:05:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:05:51,378 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:05:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:05:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:05:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:05:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:05:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:05:51,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:05:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:05:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:05:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:05:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:05:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:05:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:05:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:05:51,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:05:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:05:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:05:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:05:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-22 14:05:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-22 14:05:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:05:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:05:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:05:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:05:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:05:51,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:05:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-22 14:05:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-22 14:05:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:05:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:05:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:05:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:05:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-22 14:05:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-22 14:05:51,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:05:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:05:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:05:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:05:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:05:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:05:51,383 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:05:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:05:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:05:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-22 14:05:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-22 14:05:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:05:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:05:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:05:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:05:51,706 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:05:51,710 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:06:00,766 INFO L? ?]: Removed 80 outVars from TransFormulas that were not future-live. [2024-11-22 14:06:00,766 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:06:00,783 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:06:00,784 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:06:00,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:06:00 BoogieIcfgContainer [2024-11-22 14:06:00,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:06:00,787 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:06:00,787 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:06:00,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:06:00,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:05:47" (1/3) ... [2024-11-22 14:06:00,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1b31f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:06:00, skipping insertion in model container [2024-11-22 14:06:00,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:50" (2/3) ... [2024-11-22 14:06:00,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1b31f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:06:00, skipping insertion in model container [2024-11-22 14:06:00,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:06:00" (3/3) ... [2024-11-22 14:06:00,793 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_ignore_case_harness.i [2024-11-22 14:06:00,809 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:06:00,809 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:06:00,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:06:00,887 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;@65179927, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:06:00,887 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:06:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 87 states have (on average 1.2413793103448276) internal successors, (108), 88 states have internal predecessors, (108), 42 states have call successors, (42), 12 states have call predecessors, (42), 12 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-22 14:06:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 14:06:00,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:06:00,909 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-22 14:06:00,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:06:00,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:06:00,916 INFO L85 PathProgramCache]: Analyzing trace with hash -780859386, now seen corresponding path program 1 times [2024-11-22 14:06:00,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:06:00,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070884002] [2024-11-22 14:06:00,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:06:00,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:07:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:07:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-22 14:07:13,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:07:13,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070884002] [2024-11-22 14:07:13,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070884002] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:07:13,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169105302] [2024-11-22 14:07:13,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:07:13,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:07:13,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:07:13,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:07:13,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process