./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_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_buf_append_dynamic_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 2645e4add29ef9adc891aaf11068209afc07e559232dc682f343d102e9e79145 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:59:13,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:59:13,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 16:59:13,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:59:13,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:59:13,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:59:13,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:59:13,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:59:13,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:59:13,836 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:59:13,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:59:13,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:59:13,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:59:13,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:59:13,837 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:59:13,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:59:13,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:59:13,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:59:13,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:59:13,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:59:13,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:59:13,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:59:13,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:59:13,838 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:59:13,838 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:59:13,838 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:59:13,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:59:13,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:59:13,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:59:13,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:13,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:59:13,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:59:13,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:59:13,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:59:13,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:13,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:59:13,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:59:13,840 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:59:13,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:59:13,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:59:13,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:59:13,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:59:13,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:59:13,840 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:59:13,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:59:13,840 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 -> 2645e4add29ef9adc891aaf11068209afc07e559232dc682f343d102e9e79145 [2025-01-09 16:59:14,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:59:14,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:59:14,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:59:14,071 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:59:14,071 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:59:14,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness.i [2025-01-09 16:59:15,240 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4a8e0e40b/c748f08e185c4a2096610baca4cf4391/FLAGe72f6dccb [2025-01-09 16:59:15,717 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:59:15,717 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness.i [2025-01-09 16:59:15,745 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4a8e0e40b/c748f08e185c4a2096610baca4cf4391/FLAGe72f6dccb [2025-01-09 16:59:15,811 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4a8e0e40b/c748f08e185c4a2096610baca4cf4391 [2025-01-09 16:59:15,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:59:15,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:59:15,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:59:15,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:59:15,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:59:15,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:59:15" (1/1) ... [2025-01-09 16:59:15,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d339305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:15, skipping insertion in model container [2025-01-09 16:59:15,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:59:15" (1/1) ... [2025-01-09 16:59:15,877 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:59:16,083 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_append_dynamic_harness.i[4501,4514] [2025-01-09 16:59:16,091 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_append_dynamic_harness.i[4561,4574] [2025-01-09 16:59:16,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:16,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:16,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:16,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:16,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:16,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:16,641 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:16,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:16,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,072 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,072 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:59:17,238 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:59:17,248 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_append_dynamic_harness.i[4501,4514] [2025-01-09 16:59:17,249 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_append_dynamic_harness.i[4561,4574] [2025-01-09 16:59:17,280 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,282 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,291 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,291 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8297] [2025-01-09 16:59:17,421 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:17,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8783-8794] [2025-01-09 16:59:17,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:59:17,613 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:59:17,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17 WrapperNode [2025-01-09 16:59:17,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:59:17,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:59:17,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:59:17,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:59:17,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,755 INFO L138 Inliner]: procedures = 680, calls = 2637, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1079 [2025-01-09 16:59:17,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:59:17,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:59:17,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:59:17,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:59:17,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,842 INFO L175 MemorySlicer]: Split 595 memory accesses to 9 slices as follows [2, 257, 238, 9, 47, 25, 5, 8, 4]. 43 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [2, 0, 6, 5, 4, 2, 1, 4, 2]. The 497 writes are split as follows [0, 257, 232, 1, 5, 1, 1, 0, 0]. [2025-01-09 16:59:17,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,886 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:59:17,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:59:17,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:59:17,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:59:17,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:17,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:59:17,970 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 16:59:17,972 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 16:59:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 16:59:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 16:59:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 16:59:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 16:59:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 16:59:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 16:59:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 16:59:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 16:59:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 16:59:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:59:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 16:59:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 16:59:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 16:59:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-01-09 16:59:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:59:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 16:59:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 16:59:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 16:59:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 16:59:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 16:59:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 16:59:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 16:59:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 16:59:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 16:59:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 16:59:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 16:59:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 16:59:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 16:59:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 16:59:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 16:59:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 16:59:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-01-09 16:59:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 16:59:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 16:59:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 16:59:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 16:59:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 16:59:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 16:59:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 16:59:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 16:59:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 16:59:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 16:59:18,231 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:59:18,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:59:25,626 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2025-01-09 16:59:25,627 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:59:25,642 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:59:25,645 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 16:59:25,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:59:25 BoogieIcfgContainer [2025-01-09 16:59:25,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:59:25,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:59:25,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:59:25,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:59:25,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:59:15" (1/3) ... [2025-01-09 16:59:25,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c32a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:59:25, skipping insertion in model container [2025-01-09 16:59:25,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17" (2/3) ... [2025-01-09 16:59:25,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c32a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:59:25, skipping insertion in model container [2025-01-09 16:59:25,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:59:25" (3/3) ... [2025-01-09 16:59:25,655 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_dynamic_harness.i [2025-01-09 16:59:25,666 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:59:25,668 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_dynamic_harness.i that has 19 procedures, 248 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 16:59:25,721 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:59:25,732 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;@5ad876db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:59:25,732 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:59:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 248 states, 156 states have (on average 1.2371794871794872) internal successors, (193), 157 states have internal predecessors, (193), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-01-09 16:59:25,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-09 16:59:25,746 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:59:25,747 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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] [2025-01-09 16:59:25,747 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:59:25,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:59:25,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1548813975, now seen corresponding path program 1 times [2025-01-09 16:59:25,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:59:25,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124272899] [2025-01-09 16:59:25,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:59:25,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:00:33,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 17:00:33,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 17:00:33,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:00:33,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:00:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-09 17:00:34,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:00:34,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124272899] [2025-01-09 17:00:34,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124272899] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:00:34,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133673706] [2025-01-09 17:00:34,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:00:34,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:00:34,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:00:34,465 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 17:00:34,468 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