./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:41:30,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:41:30,136 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:41:30,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:41:30,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:41:30,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:41:30,157 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:41:30,157 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:41:30,158 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:41:30,158 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:41:30,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:41:30,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:41:30,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:41:30,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:41:30,158 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:41:30,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:41:30,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:41:30,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:41:30,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:41:30,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:41:30,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:41:30,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:41:30,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:41:30,159 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:41:30,159 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:41:30,159 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:41:30,160 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:41:30,160 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:41:30,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:41:30,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:30,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:41:30,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:41:30,160 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:41:30,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:41:30,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:41:30,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:41:30,161 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:41:30,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:41:30,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:41:30,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:41:30,161 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 [2025-03-04 02:41:30,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:41:30,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:41:30,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:41:30,417 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:41:30,417 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:41:30,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2025-03-04 02:41:31,645 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b9804fe/a86d4f96133e4d9ab757dad893ff328d/FLAG543284d6d [2025-03-04 02:41:32,105 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:41:32,107 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2025-03-04 02:41:32,145 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b9804fe/a86d4f96133e4d9ab757dad893ff328d/FLAG543284d6d [2025-03-04 02:41:32,163 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17b9804fe/a86d4f96133e4d9ab757dad893ff328d [2025-03-04 02:41:32,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:41:32,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:41:32,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:32,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:41:32,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:41:32,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:32" (1/1) ... [2025-03-04 02:41:32,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac98541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:32, skipping insertion in model container [2025-03-04 02:41:32,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:32" (1/1) ... [2025-03-04 02:41:32,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:41:32,415 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i[4491,4504] [2025-03-04 02:41:32,422 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i[4551,4564] [2025-03-04 02:41:32,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:32,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:32,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:32,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:32,858 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:32,868 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:32,869 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:32,870 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:32,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:33,344 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:41:33,381 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i[4491,4504] [2025-03-04 02:41:33,382 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i[4551,4564] [2025-03-04 02:41:33,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,419 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,420 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8039] [2025-03-04 02:41:33,527 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,527 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:33,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8525-8536] [2025-03-04 02:41:33,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:33,746 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:41:33,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33 WrapperNode [2025-03-04 02:41:33,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:33,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:33,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:41:33,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:41:33,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:33,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:33,863 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2025-03-04 02:41:33,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:33,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:41:33,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:41:33,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:41:33,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:33,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:33,881 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:33,951 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 20, 5]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0]. [2025-03-04 02:41:33,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:33,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:33,987 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:33,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:34,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:34,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:34,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:41:34,014 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:41:34,014 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:41:34,014 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:41:34,018 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (1/1) ... [2025-03-04 02:41:34,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:34,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:41:34,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 02:41:34,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 02:41:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:41:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:41:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:41:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:41:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:41:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-04 02:41:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-04 02:41:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:41:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:41:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:41:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:41:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:41:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:41:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:41:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:41:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:41:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:41:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:41:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:41:34,067 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:41:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:41:34,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:41:34,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:41:34,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:41:34,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:41:34,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:41:34,068 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 02:41:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 02:41:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:41:34,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:41:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-04 02:41:34,069 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-04 02:41:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:41:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:41:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:41:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:41:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:41:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:41:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:41:34,071 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:41:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:41:34,311 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:41:34,313 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:41:34,358 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:41:34,398 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6882: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-04 02:41:34,461 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7147: havoc #t~mem617;havoc #t~mem618;havoc #t~short619;havoc #t~mem620.base, #t~mem620.offset;havoc #t~short621;havoc #t~mem622;havoc #t~mem623;havoc #t~mem624;havoc #t~short625;havoc #t~mem626;havoc #t~mem627.base, #t~mem627.offset;havoc #t~short628;havoc #t~short629;havoc #t~short630;havoc #t~short631; [2025-03-04 02:41:34,482 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:41:34,491 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6907: havoc #t~ret569.base, #t~ret569.offset; [2025-03-04 02:41:41,295 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:41:41,317 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2025-03-04 02:41:41,317 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:41:41,325 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:41:41,326 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:41:41,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:41:41 BoogieIcfgContainer [2025-03-04 02:41:41,326 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:41:41,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:41:41,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:41:41,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:41:41,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:41:32" (1/3) ... [2025-03-04 02:41:41,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dafe15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:41:41, skipping insertion in model container [2025-03-04 02:41:41,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:33" (2/3) ... [2025-03-04 02:41:41,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dafe15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:41:41, skipping insertion in model container [2025-03-04 02:41:41,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:41:41" (3/3) ... [2025-03-04 02:41:41,333 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness_negated.i [2025-03-04 02:41:41,344 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:41:41,345 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_harness_negated.i that has 11 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-04 02:41:41,387 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:41:41,395 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;@3ccee774, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:41:41,395 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:41:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-04 02:41:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-04 02:41:41,402 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:41:41,402 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-04 02:41:41,403 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:41:41,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:41:41,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1913275732, now seen corresponding path program 1 times [2025-03-04 02:41:41,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:41:41,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553672139] [2025-03-04 02:41:41,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:41:41,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:42:49,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-04 02:42:49,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-04 02:42:49,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:42:49,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:42:50,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 02:42:50,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:42:50,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553672139] [2025-03-04 02:42:50,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553672139] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:42:50,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502142248] [2025-03-04 02:42:50,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:42:50,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:42:50,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:42:50,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:42:50,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process