./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_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_string_eq_byte_cursor_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 caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:07:57,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:07:57,939 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:07:57,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:07:57,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:07:57,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:07:57,976 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:07:57,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:07:57,977 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:07:57,977 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:07:57,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:07:57,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:07:57,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:07:57,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:07:57,978 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:07:57,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:07:57,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:07:57,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:07:57,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:07:57,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:07:57,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:07:57,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:07:57,985 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:07:57,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:07:57,985 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:07:57,985 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:07:57,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:07:57,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:07:57,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:07:57,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:07:57,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:07:57,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:07:57,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:07:57,986 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:07:57,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:07:57,987 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:07:57,987 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:07:57,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:07:57,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:07:57,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a [2024-11-10 11:07:58,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:07:58,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:07:58,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:07:58,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:07:58,260 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:07:58,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2024-11-10 11:07:59,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:08:00,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:08:00,040 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2024-11-10 11:08:00,061 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c1f212c/34627999aaf448c6b7e2636a1aad54e7/FLAG4c0e62364 [2024-11-10 11:08:00,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c1f212c/34627999aaf448c6b7e2636a1aad54e7 [2024-11-10 11:08:00,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:08:00,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:08:00,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:08:00,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:08:00,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:08:00,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:08:00" (1/1) ... [2024-11-10 11:08:00,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4f6e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:00, skipping insertion in model container [2024-11-10 11:08:00,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:08:00" (1/1) ... [2024-11-10 11:08:00,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:08:00,562 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_string_eq_byte_cursor_harness.i[4499,4512] [2024-11-10 11:08:00,573 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_string_eq_byte_cursor_harness.i[4559,4572] [2024-11-10 11:08:01,143 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,144 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,144 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,145 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,146 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,161 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,161 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,163 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,163 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,713 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,715 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:08:01,933 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:08:01,950 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_string_eq_byte_cursor_harness.i[4499,4512] [2024-11-10 11:08:01,952 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_string_eq_byte_cursor_harness.i[4559,4572] [2024-11-10 11:08:01,980 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,980 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,984 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,985 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,985 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,988 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,992 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,993 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:01,993 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:02,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-10 11:08:02,082 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:02,082 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:08:02,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-10 11:08:02,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:08:02,284 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:08:02,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02 WrapperNode [2024-11-10 11:08:02,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:08:02,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:08:02,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:08:02,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:08:02,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,452 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-11-10 11:08:02,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:08:02,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:08:02,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:08:02,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:08:02,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,468 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,543 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 257, 238, 16, 12, 13, 5]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 6, 16, 0, 2, 5]. The 493 writes are split as follows [0, 257, 232, 0, 3, 1, 0]. [2024-11-10 11:08:02,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:08:02,613 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:08:02,613 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:08:02,613 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:08:02,614 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (1/1) ... [2024-11-10 11:08:02,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:08:02,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:08:02,646 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 11:08:02,649 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 11:08:02,682 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-10 11:08:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-10 11:08:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-10 11:08:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-10 11:08:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-10 11:08:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-10 11:08:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:08:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:08:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:08:02,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:08:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:08:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:08:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:08:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:08:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 11:08:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 11:08:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:08:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:08:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:08:02,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:08:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 11:08:02,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 11:08:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:08:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:08:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:08:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:08:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:08:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:08:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:08:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:08:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:08:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 11:08:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 11:08:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:08:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-10 11:08:02,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:08:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:08:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 11:08:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:08:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:08:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:08:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:08:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 11:08:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 11:08:02,952 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:08:02,954 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:08:02,987 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 11:08:03,013 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2024-11-10 11:08:03,014 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 11:08:03,032 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7703: havoc #t~nondet817; [2024-11-10 11:08:03,049 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:08:03,120 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7371: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2024-11-10 11:08:03,150 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2024-11-10 11:08:10,477 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9349: havoc aws_string_eq_byte_cursor_#t~mem1302#1;havoc aws_string_eq_byte_cursor_#t~mem1303#1.base, aws_string_eq_byte_cursor_#t~mem1303#1.offset;havoc aws_string_eq_byte_cursor_#t~mem1304#1;havoc aws_string_eq_byte_cursor_#t~ret1305#1; [2024-11-10 11:08:10,503 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-10 11:08:10,503 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:08:10,515 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:08:10,515 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:08:10,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:08:10 BoogieIcfgContainer [2024-11-10 11:08:10,516 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:08:10,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:08:10,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:08:10,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:08:10,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:08:00" (1/3) ... [2024-11-10 11:08:10,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d0b945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:08:10, skipping insertion in model container [2024-11-10 11:08:10,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:08:02" (2/3) ... [2024-11-10 11:08:10,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d0b945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:08:10, skipping insertion in model container [2024-11-10 11:08:10,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:08:10" (3/3) ... [2024-11-10 11:08:10,525 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness.i [2024-11-10 11:08:10,541 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:08:10,541 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 11:08:10,611 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:08:10,617 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;@25165777, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:08:10,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 11:08:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 83 states have (on average 1.2771084337349397) internal successors, (106), 84 states have internal predecessors, (106), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-10 11:08:10,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-10 11:08:10,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:08:10,631 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-11-10 11:08:10,631 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:08:10,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:08:10,636 INFO L85 PathProgramCache]: Analyzing trace with hash 835591715, now seen corresponding path program 1 times [2024-11-10 11:08:10,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:08:10,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372192660] [2024-11-10 11:08:10,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:08:10,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:09:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:30,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:09:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:30,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 11:09:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:30,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-10 11:09:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:30,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-10 11:09:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:30,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:09:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:30,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 11:09:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:30,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 11:09:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:30,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:09:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:09:30,454 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-10 11:09:30,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:09:30,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372192660] [2024-11-10 11:09:30,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372192660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:09:30,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931711924] [2024-11-10 11:09:30,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:09:30,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:09:30,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:09:30,461 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) [2024-11-10 11:09:30,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process