./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:09:27,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:09:27,568 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:09:27,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:09:27,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:09:27,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:09:27,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:09:27,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:09:27,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:09:27,608 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:09:27,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:09:27,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:09:27,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:09:27,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:09:27,610 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:09:27,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:09:27,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:09:27,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:09:27,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:09:27,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:09:27,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:09:27,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:09:27,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:09:27,611 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:09:27,611 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:09:27,611 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:09:27,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:09:27,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:09:27,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:09:27,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:09:27,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:09:27,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:09:27,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:09:27,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:09:27,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:09:27,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:09:27,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:09:27,613 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:09:27,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:09:27,613 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:09:27,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:09:27,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:09:27,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:09:27,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:09:27,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:09:27,614 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-jdk21/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 -> 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 [2025-01-09 17:09:27,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:09:27,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:09:27,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:09:27,885 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:09:27,885 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:09:27,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2025-01-09 17:09:29,168 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bf603650/2a2fb24588dc41d08c91f5a649b3e896/FLAG83be70fc4 [2025-01-09 17:09:29,656 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:09:29,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2025-01-09 17:09:29,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bf603650/2a2fb24588dc41d08c91f5a649b3e896/FLAG83be70fc4 [2025-01-09 17:09:29,707 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bf603650/2a2fb24588dc41d08c91f5a649b3e896 [2025-01-09 17:09:29,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:09:29,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:09:29,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:09:29,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:09:29,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:09:29,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:09:29" (1/1) ... [2025-01-09 17:09:29,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69348bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:29, skipping insertion in model container [2025-01-09 17:09:29,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:09:29" (1/1) ... [2025-01-09 17:09:29,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:09:30,000 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i[4492,4505] [2025-01-09 17:09:30,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i[4552,4565] [2025-01-09 17:09:30,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:30,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:30,540 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:30,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:30,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:30,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:30,560 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:30,561 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:30,564 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,021 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:09:31,171 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:09:31,185 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i[4492,4505] [2025-01-09 17:09:31,189 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i[4552,4565] [2025-01-09 17:09:31,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,241 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,241 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,241 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,242 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-01-09 17:09:31,367 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:09:31,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-01-09 17:09:31,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:09:31,629 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:09:31,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31 WrapperNode [2025-01-09 17:09:31,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:09:31,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:09:31,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:09:31,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:09:31,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,801 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2025-01-09 17:09:31,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:09:31,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:09:31,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:09:31,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:09:31,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,823 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,903 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 38, 4, 6, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 0, 0, 5]. The 494 writes are split as follows [0, 257, 232, 3, 0, 2, 0]. [2025-01-09 17:09:31,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,952 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:31,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:09:32,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:09:32,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:09:32,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:09:32,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (1/1) ... [2025-01-09 17:09:32,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:09:32,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:09:32,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:09:32,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:09:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:09:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:09:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:09:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:09:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:09:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:09:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:09:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:09:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:09:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:09:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:09:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:09:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:09:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:09:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:09:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:09:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:09:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:09:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:09:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-01-09 17:09:32,063 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-01-09 17:09:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:09:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-01-09 17:09:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:09:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:09:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:09:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:09:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:09:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:09:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:09:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:09:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:09:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:09:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:09:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:09:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:09:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:09:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-01-09 17:09:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:09:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:09:32,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:09:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:09:32,339 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:09:32,341 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:09:40,158 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-01-09 17:09:40,158 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:09:40,171 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:09:40,172 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:09:40,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:09:40 BoogieIcfgContainer [2025-01-09 17:09:40,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:09:40,175 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:09:40,175 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:09:40,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:09:40,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:09:29" (1/3) ... [2025-01-09 17:09:40,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e059d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:09:40, skipping insertion in model container [2025-01-09 17:09:40,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:09:31" (2/3) ... [2025-01-09 17:09:40,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e059d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:09:40, skipping insertion in model container [2025-01-09 17:09:40,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:09:40" (3/3) ... [2025-01-09 17:09:40,181 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness_negated.i [2025-01-09 17:09:40,194 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:09:40,197 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_harness_negated.i that has 12 procedures, 134 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:09:40,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:09:40,263 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;@ea9c647, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:09:40,265 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:09:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 82 states have internal predecessors, (100), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-01-09 17:09:40,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-09 17:09:40,281 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:09:40,282 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:09:40,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:09:40,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:09:40,289 INFO L85 PathProgramCache]: Analyzing trace with hash -239771141, now seen corresponding path program 1 times [2025-01-09 17:09:40,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:09:40,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566071408] [2025-01-09 17:09:40,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:09:40,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:10:46,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-09 17:10:47,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-09 17:10:47,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:10:47,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:10:48,150 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-01-09 17:10:48,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:10:48,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566071408] [2025-01-09 17:10:48,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566071408] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:10:48,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903481895] [2025-01-09 17:10:48,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:10:48,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:10:48,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:10:48,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:10:48,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process