./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.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_from_c_str_harness.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 b2f52dc569bf800e437197605f33d1f95221de4e070e12ec17def0de8ea71b9a --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:10:13,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:10:13,205 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:10:13,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:10:13,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:10:13,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:10:13,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:10:13,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:10:13,242 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:10:13,242 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:10:13,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:10:13,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:10:13,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:10:13,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:10:13,243 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:10:13,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:10:13,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:10:13,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:10:13,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:10:13,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:10:13,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:10:13,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:10:13,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:10:13,244 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:13,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:13,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:10:13,244 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:10:13,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:10:13,245 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:10:13,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:10:13,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:10:13,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:10:13,245 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:10:13,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:10:13,245 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 -> b2f52dc569bf800e437197605f33d1f95221de4e070e12ec17def0de8ea71b9a [2025-01-09 17:10:13,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:10:13,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:10:13,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:10:13,469 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:10:13,470 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:10:13,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2025-01-09 17:10:14,606 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d8792d92/0c575784745446439a6ce4359a3d2925/FLAG3291f1fa1 [2025-01-09 17:10:15,132 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:10:15,132 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2025-01-09 17:10:15,177 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d8792d92/0c575784745446439a6ce4359a3d2925/FLAG3291f1fa1 [2025-01-09 17:10:15,189 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d8792d92/0c575784745446439a6ce4359a3d2925 [2025-01-09 17:10:15,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:10:15,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:10:15,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:10:15,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:10:15,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:10:15,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:10:15" (1/1) ... [2025-01-09 17:10:15,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c1901a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:15, skipping insertion in model container [2025-01-09 17:10:15,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:10:15" (1/1) ... [2025-01-09 17:10:15,276 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:10:15,477 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_from_c_str_harness.i[4500,4513] [2025-01-09 17:10:15,485 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_from_c_str_harness.i[4560,4573] [2025-01-09 17:10:16,044 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,056 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,056 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,516 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,516 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:10:16,628 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:10:16,638 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_from_c_str_harness.i[4500,4513] [2025-01-09 17:10:16,640 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_from_c_str_harness.i[4560,4573] [2025-01-09 17:10:16,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,698 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-01-09 17:10:16,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:16,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-01-09 17:10:16,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:10:17,030 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:10:17,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17 WrapperNode [2025-01-09 17:10:17,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:10:17,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:10:17,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:10:17,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:10:17,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,173 INFO L138 Inliner]: procedures = 679, calls = 2606, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 803 [2025-01-09 17:10:17,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:10:17,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:10:17,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:10:17,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:10:17,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,186 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,229 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 17, 241, 5]. 49 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 0, 2, 6, 5]. The 491 writes are split as follows [0, 257, 2, 232, 0]. [2025-01-09 17:10:17,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,264 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:10:17,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:10:17,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:10:17,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:10:17,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (1/1) ... [2025-01-09 17:10:17,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:17,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:10:17,342 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 17:10:17,345 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 17:10:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:10:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:10:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:10:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:10:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:10:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:10:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:10:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:10:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:10:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:10:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:10:17,556 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:10:17,557 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:10:24,106 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2025-01-09 17:10:24,106 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:10:24,112 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:10:24,112 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:10:24,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:10:24 BoogieIcfgContainer [2025-01-09 17:10:24,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:10:24,114 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:10:24,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:10:24,117 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:10:24,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:10:15" (1/3) ... [2025-01-09 17:10:24,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8702ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:10:24, skipping insertion in model container [2025-01-09 17:10:24,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:17" (2/3) ... [2025-01-09 17:10:24,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8702ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:10:24, skipping insertion in model container [2025-01-09 17:10:24,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:10:24" (3/3) ... [2025-01-09 17:10:24,123 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_c_str_harness.i [2025-01-09 17:10:24,139 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:10:24,140 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_c_str_harness.i that has 7 procedures, 73 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:10:24,169 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:10:24,176 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;@1027b442, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:10:24,177 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:10:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 50 states have internal predecessors, (60), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-01-09 17:10:24,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-09 17:10:24,182 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:10:24,182 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:10:24,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:10:24,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:10:24,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1393835823, now seen corresponding path program 1 times [2025-01-09 17:10:24,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:10:24,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127777160] [2025-01-09 17:10:24,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:10:24,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:11:33,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-09 17:11:33,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-09 17:11:33,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:11:33,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:11:35,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 17:11:35,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:11:35,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127777160] [2025-01-09 17:11:35,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127777160] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:11:35,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:11:35,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 17:11:35,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694335888] [2025-01-09 17:11:35,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:11:35,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 17:11:35,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:11:35,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 17:11:35,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:11:35,329 INFO L87 Difference]: Start difference. First operand has 73 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 50 states have internal predecessors, (60), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 17:11:35,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:11:35,584 INFO L93 Difference]: Finished difference Result 139 states and 186 transitions. [2025-01-09 17:11:35,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 17:11:35,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2025-01-09 17:11:35,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:11:35,596 INFO L225 Difference]: With dead ends: 139 [2025-01-09 17:11:35,599 INFO L226 Difference]: Without dead ends: 68 [2025-01-09 17:11:35,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 17:11:35,603 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 17:11:35,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 332 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 17:11:35,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-01-09 17:11:35,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-01-09 17:11:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 47 states have internal predecessors, (52), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (15), 14 states have call predecessors, (15), 14 states have call successors, (15) [2025-01-09 17:11:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 83 transitions. [2025-01-09 17:11:35,650 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 83 transitions. Word has length 18 [2025-01-09 17:11:35,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:11:35,650 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 83 transitions. [2025-01-09 17:11:35,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-09 17:11:35,650 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2025-01-09 17:11:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-09 17:11:35,651 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:11:35,651 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:11:35,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 17:11:35,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:11:35,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:11:35,652 INFO L85 PathProgramCache]: Analyzing trace with hash 728967636, now seen corresponding path program 1 times [2025-01-09 17:11:35,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:11:35,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676132215] [2025-01-09 17:11:35,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:11:35,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms