./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_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_c_str_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 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:04:51,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:04:51,847 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:04:51,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:04:51,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:04:51,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:04:51,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:04:51,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:04:51,880 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:04:51,880 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:04:51,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:04:51,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:04:51,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:04:51,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:04:51,883 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:04:51,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:04:51,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:04:51,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:04:51,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:04:51,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:04:51,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:04:51,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:04:51,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:04:51,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:04:51,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:04:51,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:04:51,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:04:51,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:04:51,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:04:51,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:04:51,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:04:51,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:04:51,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:04:51,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:04:51,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:04:51,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:04:51,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:04:51,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:04:51,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:04:51,891 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 [2024-11-22 14:04:52,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:04:52,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:04:52,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:04:52,095 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:04:52,095 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:04:52,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2024-11-22 14:04:53,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:04:53,751 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:04:53,753 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2024-11-22 14:04:53,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf9ccdd0/2602a56f2a894091b742eef7b7d97c21/FLAGdd89ef27b [2024-11-22 14:04:53,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf9ccdd0/2602a56f2a894091b742eef7b7d97c21 [2024-11-22 14:04:53,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:04:53,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:04:53,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:04:53,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:04:53,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:04:53,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:04:53" (1/1) ... [2024-11-22 14:04:53,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2fd92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:53, skipping insertion in model container [2024-11-22 14:04:53,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:04:53" (1/1) ... [2024-11-22 14:04:53,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:04:54,189 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_c_str_harness.i[4495,4508] [2024-11-22 14:04:54,194 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_c_str_harness.i[4555,4568] [2024-11-22 14:04:54,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:54,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:54,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:54,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:54,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:54,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:54,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:54,603 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:54,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:54,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:54,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:04:55,056 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:04:55,067 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_c_str_harness.i[4495,4508] [2024-11-22 14:04:55,071 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_c_str_harness.i[4555,4568] [2024-11-22 14:04:55,102 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,103 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,103 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,104 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,104 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,109 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-22 14:04:55,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:55,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-22 14:04:55,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:04:55,475 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:04:55,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55 WrapperNode [2024-11-22 14:04:55,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:04:55,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:04:55,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:04:55,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:04:55,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,619 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902 [2024-11-22 14:04:55,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:04:55,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:04:55,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:04:55,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:04:55,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,708 INFO L175 MemorySlicer]: Split 556 memory accesses to 6 slices as follows [2, 257, 13, 238, 40, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 5, 6, 8, 0]. The 493 writes are split as follows [0, 257, 0, 232, 2, 2]. [2024-11-22 14:04:55,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:04:55,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:04:55,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:04:55,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:04:55,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (1/1) ... [2024-11-22 14:04:55,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:04:55,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:04:55,822 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 14:04:55,829 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 14:04:55,862 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-22 14:04:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-22 14:04:55,864 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:04:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:04:55,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:04:55,865 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:04:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:04:55,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:04:55,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:04:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:04:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:04:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:04:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:04:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:04:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:04:55,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:04:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:04:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:04:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:04:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:04:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:04:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:04:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:04:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-22 14:04:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-22 14:04:55,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:04:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:04:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:04:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:04:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:04:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:04:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:04:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:04:55,868 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:04:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:04:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-22 14:04:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-22 14:04:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:04:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:04:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:04:55,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:04:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:04:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:04:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:04:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:04:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:04:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:04:55,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:04:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:04:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:04:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:04:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:04:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:04:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:04:55,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:04:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:04:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:04:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:04:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:04:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:04:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:04:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:04:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:04:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:04:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:04:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:04:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:04:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:04:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:04:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:04:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:04:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:04:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:04:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:04:56,127 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:04:56,129 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:05:03,557 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-22 14:05:03,557 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:05:03,568 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:05:03,568 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 14:05:03,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:03 BoogieIcfgContainer [2024-11-22 14:05:03,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:05:03,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:05:03,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:05:03,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:05:03,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:04:53" (1/3) ... [2024-11-22 14:05:03,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41340859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:03, skipping insertion in model container [2024-11-22 14:05:03,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:55" (2/3) ... [2024-11-22 14:05:03,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41340859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:03, skipping insertion in model container [2024-11-22 14:05:03,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:03" (3/3) ... [2024-11-22 14:05:03,574 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness.i [2024-11-22 14:05:03,586 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:05:03,586 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:05:03,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:05:03,629 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;@3d0c8f93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:05:03,630 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:05:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 92 states have (on average 1.25) internal successors, (115), 94 states have internal predecessors, (115), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-22 14:05:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-22 14:05:03,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:05:03,642 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 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, 1] [2024-11-22 14:05:03,642 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:05:03,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:05:03,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1835431672, now seen corresponding path program 1 times [2024-11-22 14:05:03,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:05:03,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849055151] [2024-11-22 14:05:03,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:05:03,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:06:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:06:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-22 14:06:20,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:06:20,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849055151] [2024-11-22 14:06:20,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849055151] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:06:20,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069832670] [2024-11-22 14:06:20,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:06:20,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:06:20,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:06:20,937 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 14:06:20,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process