./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_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_reserve_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 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:03:40,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:03:40,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:03:40,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:03:40,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:03:40,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:03:40,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:03:40,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:03:40,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:03:40,264 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:03:40,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:03:40,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:03:40,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:03:40,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:03:40,265 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:03:40,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:03:40,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:03:40,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:03:40,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:03:40,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:03:40,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:03:40,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:03:40,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:03:40,266 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:03:40,266 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:03:40,266 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:03:40,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:03:40,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:03:40,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:03:40,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:40,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:03:40,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:03:40,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:03:40,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:03:40,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:40,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:03:40,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:03:40,267 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:03:40,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:03:40,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:03:40,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:03:40,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:03:40,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:03:40,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:03:40,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:03:40,268 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 -> 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 [2025-01-09 17:03:40,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:03:40,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:03:40,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:03:40,520 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:03:40,521 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:03:40,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2025-01-09 17:03:41,652 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf145e677/035940c3f8d44101a14ff0524c9c117b/FLAG67d572958 [2025-01-09 17:03:42,060 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:03:42,061 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2025-01-09 17:03:42,087 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf145e677/035940c3f8d44101a14ff0524c9c117b/FLAG67d572958 [2025-01-09 17:03:42,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf145e677/035940c3f8d44101a14ff0524c9c117b [2025-01-09 17:03:42,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:03:42,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:03:42,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:03:42,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:03:42,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:03:42,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:03:42" (1/1) ... [2025-01-09 17:03:42,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a637e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:42, skipping insertion in model container [2025-01-09 17:03:42,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:03:42" (1/1) ... [2025-01-09 17:03:42,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:03:42,342 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_reserve_harness_negated.i[4494,4507] [2025-01-09 17:03:42,349 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_reserve_harness_negated.i[4554,4567] [2025-01-09 17:03:42,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:42,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:42,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:42,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:42,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:42,832 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:42,832 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:42,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:42,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,232 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:03:43,359 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:03:43,369 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_reserve_harness_negated.i[4494,4507] [2025-01-09 17:03:43,370 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_reserve_harness_negated.i[4554,4567] [2025-01-09 17:03:43,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,408 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2025-01-09 17:03:43,518 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,518 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:03:43,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2025-01-09 17:03:43,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:03:43,703 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:03:43,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43 WrapperNode [2025-01-09 17:03:43,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:03:43,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:03:43,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:03:43,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:03:43,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,821 INFO L138 Inliner]: procedures = 681, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 967 [2025-01-09 17:03:43,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:03:43,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:03:43,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:03:43,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:03:43,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,836 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,871 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-09 17:03:43,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,910 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:03:43,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:03:43,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:03:43,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:03:43,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (1/1) ... [2025-01-09 17:03:43,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:03:43,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:03:43,971 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 17:03:43,974 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 17:03:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:03:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:03:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:03:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:03:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:03:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-09 17:03:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 17:03:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:03:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:03:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:03:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:03:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:03:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:03:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-09 17:03:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:03:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:03:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:03:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:03:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-01-09 17:03:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-01-09 17:03:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-01-09 17:03:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-01-09 17:03:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-09 17:03:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2025-01-09 17:03:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2025-01-09 17:03:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-01-09 17:03:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-01-09 17:03:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:03:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:03:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:03:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-09 17:03:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-09 17:03:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:03:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:03:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:03:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:03:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 17:03:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 17:03:44,221 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:03:44,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:03:51,336 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2025-01-09 17:03:51,336 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:03:51,346 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:03:51,348 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 17:03:51,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:03:51 BoogieIcfgContainer [2025-01-09 17:03:51,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:03:51,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:03:51,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:03:51,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:03:51,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:03:42" (1/3) ... [2025-01-09 17:03:51,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6671db46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:03:51, skipping insertion in model container [2025-01-09 17:03:51,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:03:43" (2/3) ... [2025-01-09 17:03:51,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6671db46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:03:51, skipping insertion in model container [2025-01-09 17:03:51,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:03:51" (3/3) ... [2025-01-09 17:03:51,357 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2025-01-09 17:03:51,368 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:03:51,369 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_harness_negated.i that has 13 procedures, 158 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-09 17:03:51,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:03:51,450 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;@12f91933, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:03:51,450 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:03:51,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 107 states have (on average 1.280373831775701) internal successors, (137), 107 states have internal predecessors, (137), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-09 17:03:51,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-09 17:03:51,462 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:03:51,463 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 17:03:51,463 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:03:51,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:03:51,467 INFO L85 PathProgramCache]: Analyzing trace with hash 183362913, now seen corresponding path program 1 times [2025-01-09 17:03:51,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:03:51,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202304537] [2025-01-09 17:03:51,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:03:51,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:05:14,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-09 17:05:14,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-09 17:05:14,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:05:14,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:05:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-09 17:05:15,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:05:15,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202304537] [2025-01-09 17:05:15,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202304537] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 17:05:15,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 17:05:15,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 17:05:15,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459079657] [2025-01-09 17:05:15,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 17:05:15,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 17:05:15,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 17:05:15,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 17:05:15,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:05:15,475 INFO L87 Difference]: Start difference. First operand has 158 states, 107 states have (on average 1.280373831775701) internal successors, (137), 107 states have internal predecessors, (137), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 17:05:15,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 17:05:15,510 INFO L93 Difference]: Finished difference Result 306 states and 432 transitions. [2025-01-09 17:05:15,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 17:05:15,511 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2025-01-09 17:05:15,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 17:05:15,517 INFO L225 Difference]: With dead ends: 306 [2025-01-09 17:05:15,517 INFO L226 Difference]: Without dead ends: 151 [2025-01-09 17:05:15,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 17:05:15,523 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 17:05:15,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 17:05:15,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-01-09 17:05:15,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2025-01-09 17:05:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 100 states have (on average 1.23) internal successors, (123), 101 states have internal predecessors, (123), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-01-09 17:05:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 198 transitions. [2025-01-09 17:05:15,562 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 198 transitions. Word has length 53 [2025-01-09 17:05:15,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 17:05:15,562 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 198 transitions. [2025-01-09 17:05:15,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 17:05:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 198 transitions. [2025-01-09 17:05:15,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-09 17:05:15,564 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:05:15,564 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, 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 17:05:15,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 17:05:15,564 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:05:15,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:05:15,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1355775101, now seen corresponding path program 1 times [2025-01-09 17:05:15,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:05:15,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611736082] [2025-01-09 17:05:15,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:05:15,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms