./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_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_buf_reset_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 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:04:29,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:04:29,373 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:04:29,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:04:29,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:04:29,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:04:29,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:04:29,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:04:29,408 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:04:29,408 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:04:29,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:04:29,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:04:29,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:04:29,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:04:29,410 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:04:29,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:04:29,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:04:29,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:04:29,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:04:29,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:04:29,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:04:29,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:04:29,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:04:29,411 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:04:29,411 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:04:29,412 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:04:29,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:04:29,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:04:29,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:04:29,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:29,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:04:29,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:04:29,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:04:29,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:04:29,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:29,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:04:29,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:04:29,413 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:04:29,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:04:29,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:04:29,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:04:29,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:04:29,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:04:29,414 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:04:29,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:04:29,415 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 -> 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 [2025-01-09 17:04:29,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:04:29,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:04:29,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:04:29,673 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:04:29,673 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:04:29,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i [2025-01-09 17:04:30,876 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e44793ac6/4c0613d6c33b437194a14fb9f09b70a9/FLAGe30432260 [2025-01-09 17:04:31,373 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:04:31,374 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i [2025-01-09 17:04:31,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e44793ac6/4c0613d6c33b437194a14fb9f09b70a9/FLAGe30432260 [2025-01-09 17:04:31,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e44793ac6/4c0613d6c33b437194a14fb9f09b70a9 [2025-01-09 17:04:31,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:04:31,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:04:31,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:04:31,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:04:31,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:04:31,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:04:31" (1/1) ... [2025-01-09 17:04:31,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1babe1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:31, skipping insertion in model container [2025-01-09 17:04:31,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:04:31" (1/1) ... [2025-01-09 17:04:31,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:04:31,803 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_buf_reset_harness_negated.i[4492,4505] [2025-01-09 17:04:31,813 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_buf_reset_harness_negated.i[4552,4565] [2025-01-09 17:04:32,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:32,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:32,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:32,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:32,428 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:32,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:32,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:32,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:32,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:32,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:32,904 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:32,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:04:33,028 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:04:33,047 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_buf_reset_harness_negated.i[4492,4505] [2025-01-09 17:04:33,047 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_buf_reset_harness_negated.i[4552,4565] [2025-01-09 17:04:33,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:33,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:33,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:33,094 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:33,094 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:33,100 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:33,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:33,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:33,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:33,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-01-09 17:04:33,278 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:33,278 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:33,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-01-09 17:04:33,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:04:33,539 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:04:33,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33 WrapperNode [2025-01-09 17:04:33,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:04:33,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:04:33,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:04:33,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:04:33,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,690 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2025-01-09 17:04:33,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:04:33,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:04:33,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:04:33,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:04:33,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,722 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,791 INFO L175 MemorySlicer]: Split 542 memory accesses to 6 slices as follows [2, 257, 238, 7, 7, 31]. 47 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 4, 4]. The 494 writes are split as follows [0, 257, 232, 1, 0, 4]. [2025-01-09 17:04:33,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,824 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:04:33,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:04:33,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:04:33,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:04:33,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (1/1) ... [2025-01-09 17:04:33,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:33,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:04:33,919 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 17:04:33,926 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 17:04:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:04:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:04:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:04:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:04:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:04:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:04:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:04:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:04:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:04:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-01-09 17:04:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-01-09 17:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:04:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:04:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:04:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:04:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:04:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:04:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2025-01-09 17:04:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:04:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-01-09 17:04:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-01-09 17:04:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:04:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:04:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:04:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:04:34,231 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:04:34,233 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:04:42,140 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-01-09 17:04:42,140 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:04:42,151 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:04:42,152 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:04:42,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:04:42 BoogieIcfgContainer [2025-01-09 17:04:42,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:04:42,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:04:42,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:04:42,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:04:42,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:04:31" (1/3) ... [2025-01-09 17:04:42,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cff7845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:04:42, skipping insertion in model container [2025-01-09 17:04:42,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:33" (2/3) ... [2025-01-09 17:04:42,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cff7845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:04:42, skipping insertion in model container [2025-01-09 17:04:42,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:04:42" (3/3) ... [2025-01-09 17:04:42,162 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness_negated.i [2025-01-09 17:04:42,174 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:04:42,175 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reset_harness_negated.i that has 12 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:04:42,220 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:04:42,230 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;@7ae2f2b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:04:42,230 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:04:42,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 79 states have internal predecessors, (94), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-09 17:04:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-09 17:04:42,241 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:04:42,242 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 17:04:42,242 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:04:42,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:04:42,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1842176738, now seen corresponding path program 1 times [2025-01-09 17:04:42,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:04:42,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153514976] [2025-01-09 17:04:42,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:04:42,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:06:07,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 17:06:07,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 17:06:07,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:06:07,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:06:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-09 17:06:08,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:06:08,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153514976] [2025-01-09 17:06:08,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153514976] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:06:08,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881964218] [2025-01-09 17:06:08,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:06:08,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:06:08,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:06:08,695 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 17:06:08,697 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