./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_read_be64_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 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:00:15,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:00:15,712 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:00:15,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:00:15,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:00:15,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:00:15,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:00:15,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:00:15,737 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:00:15,737 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:00:15,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:00:15,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:00:15,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:00:15,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:00:15,737 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:00:15,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:00:15,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:00:15,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:00:15,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:00:15,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:00:15,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:00:15,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:00:15,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:00:15,739 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:00:15,739 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:00:15,739 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:00:15,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:00:15,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:00:15,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:00:15,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:00:15,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:00:15,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:00:15,740 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:00:15,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:00:15,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:00:15,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:00:15,740 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:00:15,740 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:00:15,740 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:00:15,740 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:00:15,740 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 -> 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a [2025-03-08 18:00:15,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:00:15,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:00:15,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:00:15,982 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:00:15,982 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:00:15,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2025-03-08 18:00:17,325 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d89a3157b/df6b75254dad44eca581356356cef6f5/FLAG4bb314d48 [2025-03-08 18:00:17,822 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:00:17,823 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2025-03-08 18:00:17,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d89a3157b/df6b75254dad44eca581356356cef6f5/FLAG4bb314d48 [2025-03-08 18:00:17,876 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d89a3157b/df6b75254dad44eca581356356cef6f5 [2025-03-08 18:00:17,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:00:17,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:00:17,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:00:17,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:00:17,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:00:17,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:00:17" (1/1) ... [2025-03-08 18:00:17,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0312c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:17, skipping insertion in model container [2025-03-08 18:00:17,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:00:17" (1/1) ... [2025-03-08 18:00:17,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:00:18,159 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_read_be64_harness.i[4499,4512] [2025-03-08 18:00:18,172 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_read_be64_harness.i[4559,4572] [2025-03-08 18:00:18,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:18,698 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:18,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:18,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:18,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:18,712 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:18,713 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:18,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:18,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:00:19,346 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:00:19,361 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_read_be64_harness.i[4499,4512] [2025-03-08 18:00:19,361 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_read_be64_harness.i[4559,4572] [2025-03-08 18:00:19,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-08 18:00:19,513 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,514 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:00:19,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-03-08 18:00:19,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:00:19,742 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:00:19,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19 WrapperNode [2025-03-08 18:00:19,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:00:19,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:00:19,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:00:19,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:00:19,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:19,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:19,892 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2025-03-08 18:00:19,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:00:19,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:00:19,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:00:19,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:00:19,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:19,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:19,923 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:20,007 INFO L175 MemorySlicer]: Split 569 memory accesses to 9 slices as follows [257, 2, 8, 248, 37, 2, 6, 4, 5]. 45 percent of accesses are in the largest equivalence class. The 20 initializations are split as follows [0, 2, 2, 6, 2, 1, 0, 2, 5]. The 504 writes are split as follows [257, 0, 0, 236, 9, 0, 2, 0, 0]. [2025-03-08 18:00:20,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:20,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:20,072 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:20,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:20,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:20,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:20,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:00:20,130 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:00:20,130 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:00:20,130 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:00:20,131 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (1/1) ... [2025-03-08 18:00:20,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:00:20,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:00:20,173 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) [2025-03-08 18:00:20,183 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 [2025-03-08 18:00:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2025-03-08 18:00:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2025-03-08 18:00:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2025-03-08 18:00:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2025-03-08 18:00:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 18:00:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 18:00:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:00:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#8 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 18:00:20,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 18:00:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:00:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:00:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:00:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh64 [2025-03-08 18:00:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh64 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 18:00:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-08 18:00:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:00:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:00:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:00:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:00:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:00:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:00:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 18:00:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 18:00:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:00:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:00:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:00:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 18:00:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 18:00:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:00:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:00:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 18:00:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 18:00:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:00:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:00:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:00:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:00:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:00:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:00:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:00:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:00:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:00:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:00:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:00:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:00:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:00:20,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2025-03-08 18:00:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#8 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 18:00:20,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 18:00:20,578 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:00:20,582 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:00:20,616 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 18:00:20,817 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8360: call ULTIMATE.dealloc(~#slice~0#1.base, ~#slice~0#1.offset);havoc ~#slice~0#1.base, ~#slice~0#1.offset; [2025-03-08 18:00:20,817 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8353: havoc aws_byte_cursor_advance_nospec_#t~mem1112#1;havoc aws_byte_cursor_advance_nospec_#t~mem1113#1.base, aws_byte_cursor_advance_nospec_#t~mem1113#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset);havoc aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset; [2025-03-08 18:00:20,826 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:00:20,829 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3925: havoc #t~ret242; [2025-03-08 18:00:20,835 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-08 18:00:20,855 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3917: havoc #t~nondet239;havoc #t~nondet240;havoc #t~bitwise241; [2025-03-08 18:00:20,914 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7387: 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; [2025-03-08 18:00:20,923 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3898: havoc #t~mem237;call ULTIMATE.dealloc(~#z~0.base, ~#z~0.offset);havoc ~#z~0.base, ~#z~0.offset; [2025-03-08 18:00:21,471 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:00:28,817 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 18:00:28,937 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2025-03-08 18:00:28,937 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:00:28,963 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:00:28,964 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:00:28,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:00:28 BoogieIcfgContainer [2025-03-08 18:00:28,965 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:00:28,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:00:28,968 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:00:28,971 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:00:28,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:00:17" (1/3) ... [2025-03-08 18:00:28,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7791f85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:00:28, skipping insertion in model container [2025-03-08 18:00:28,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:00:19" (2/3) ... [2025-03-08 18:00:28,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7791f85e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:00:28, skipping insertion in model container [2025-03-08 18:00:28,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:00:28" (3/3) ... [2025-03-08 18:00:28,973 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be64_harness.i [2025-03-08 18:00:28,984 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:00:28,986 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_read_be64_harness.i that has 22 procedures, 237 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2025-03-08 18:00:29,031 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:00:29,041 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;@1f998e21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:00:29,042 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:00:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 132 states have (on average 1.2803030303030303) internal successors, (169), 133 states have internal predecessors, (169), 50 states have call successors, (50), 13 states have call predecessors, (50), 13 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-03-08 18:00:29,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-03-08 18:00:29,058 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:00:29,059 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:00:29,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:00:29,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:00:29,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1846921488, now seen corresponding path program 1 times [2025-03-08 18:00:29,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:00:29,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612826877] [2025-03-08 18:00:29,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:00:29,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:01:40,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-08 18:01:40,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-08 18:01:40,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:01:40,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:01:41,271 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-03-08 18:01:41,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:01:41,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612826877] [2025-03-08 18:01:41,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612826877] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:01:41,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573780427] [2025-03-08 18:01:41,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:01:41,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:01:41,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:01:41,276 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) [2025-03-08 18:01:41,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process