./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_cursor_compare_lookup_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 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:45:26,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:45:26,882 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:45:26,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:45:26,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:45:26,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:45:26,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:45:26,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:45:26,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:45:26,902 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:45:26,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:45:26,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:45:26,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:45:26,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:45:26,903 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:45:26,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:45:26,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:45:26,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:45:26,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:45:26,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:45:26,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:45:26,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:45:26,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:45:26,904 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:45:26,904 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:45:26,904 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:45:26,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:45:26,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:45:26,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:45:26,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:45:26,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:45:26,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:45:26,905 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:45:26,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:45:26,905 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:45:26,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:45:26,905 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:45:26,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:45:26,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:45:26,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:45:26,906 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 [2025-03-04 02:45:27,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:45:27,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:45:27,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:45:27,131 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:45:27,131 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:45:27,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2025-03-04 02:45:28,271 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2b0c9743/d84168bd63764c368fce9d26dd6f1380/FLAGd7e4a95ed [2025-03-04 02:45:28,784 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:45:28,785 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2025-03-04 02:45:28,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2b0c9743/d84168bd63764c368fce9d26dd6f1380/FLAGd7e4a95ed [2025-03-04 02:45:28,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2b0c9743/d84168bd63764c368fce9d26dd6f1380 [2025-03-04 02:45:28,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:45:28,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:45:28,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:45:28,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:45:28,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:45:28,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:45:28" (1/1) ... [2025-03-04 02:45:28,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f564414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:28, skipping insertion in model container [2025-03-04 02:45:28,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:45:28" (1/1) ... [2025-03-04 02:45:28,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:45:29,095 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_cursor_compare_lookup_harness.i[4504,4517] [2025-03-04 02:45:29,104 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_cursor_compare_lookup_harness.i[4564,4577] [2025-03-04 02:45:29,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:29,608 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:29,608 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:29,608 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:29,609 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:29,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:29,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:29,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:29,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:29,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:29,997 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:45:30,081 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:45:30,094 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_cursor_compare_lookup_harness.i[4504,4517] [2025-03-04 02:45:30,094 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_cursor_compare_lookup_harness.i[4564,4577] [2025-03-04 02:45:30,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,140 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-03-04 02:45:30,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:30,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-03-04 02:45:30,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:45:30,403 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:45:30,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30 WrapperNode [2025-03-04 02:45:30,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:45:30,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:45:30,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:45:30,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:45:30,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,531 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2025-03-04 02:45:30,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:45:30,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:45:30,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:45:30,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:45:30,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,551 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,606 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 2, 6, 34, 4, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 0, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3, 0, 0]. [2025-03-04 02:45:30,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,644 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:45:30,676 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:45:30,676 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:45:30,676 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:45:30,677 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (1/1) ... [2025-03-04 02:45:30,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:45:30,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:45:30,702 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) [2025-03-04 02:45:30,705 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 [2025-03-04 02:45:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:45:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:45:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:45:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:45:30,725 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:45:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:45:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:45:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:45:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:45:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:45:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:45:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:45:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:45:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:45:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:45:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:45:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-03-04 02:45:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:45:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-04 02:45:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:45:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:45:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:45:30,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:45:30,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:45:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:45:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:45:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:45:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:45:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:45:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:45:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:45:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:45:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:45:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:45:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:45:30,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-04 02:45:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2025-03-04 02:45:30,732 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:45:30,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:45:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:45:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:45:30,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:45:30,977 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:45:30,979 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:45:31,001 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:45:31,026 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:45:31,045 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc #t~mem509; [2025-03-04 02:45:31,063 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:45:31,091 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2025-03-04 02:45:37,967 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-03-04 02:45:37,967 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:45:37,980 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:45:37,980 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:45:37,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:45:37 BoogieIcfgContainer [2025-03-04 02:45:37,981 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:45:37,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:45:37,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:45:37,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:45:37,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:45:28" (1/3) ... [2025-03-04 02:45:37,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74265988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:45:37, skipping insertion in model container [2025-03-04 02:45:37,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:30" (2/3) ... [2025-03-04 02:45:37,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74265988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:45:37, skipping insertion in model container [2025-03-04 02:45:37,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:45:37" (3/3) ... [2025-03-04 02:45:37,991 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness.i [2025-03-04 02:45:38,002 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:45:38,004 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lookup_harness.i that has 11 procedures, 133 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:45:38,048 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:45:38,056 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;@c4452fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:45:38,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:45:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 80 states have (on average 1.25) internal successors, (100), 81 states have internal predecessors, (100), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-03-04 02:45:38,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 02:45:38,070 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:45:38,071 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-03-04 02:45:38,071 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:45:38,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:45:38,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1109241577, now seen corresponding path program 1 times [2025-03-04 02:45:38,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:45:38,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526041871] [2025-03-04 02:45:38,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:45:38,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:46:47,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 02:46:47,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 02:46:47,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:46:47,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:46:48,236 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-03-04 02:46:48,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:46:48,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526041871] [2025-03-04 02:46:48,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526041871] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:46:48,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461226094] [2025-03-04 02:46:48,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:46:48,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:46:48,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:46:48,241 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) [2025-03-04 02:46:48,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process