./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_reserve_relative_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 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:04:18,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:04:18,255 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:04:18,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:04:18,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:04:18,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:04:18,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:04:18,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:04:18,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:04:18,291 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:04:18,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:04:18,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:04:18,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:04:18,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:04:18,293 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:04:18,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:04:18,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:04:18,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:04:18,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:04:18,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:04:18,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:04:18,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:04:18,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:04:18,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:04:18,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:04:18,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:04:18,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:04:18,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:04:18,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:04:18,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:04:18,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:04:18,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:04:18,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:04:18,301 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:04:18,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:04:18,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:04:18,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:04:18,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:04:18,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:04:18,302 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 [2024-11-09 03:04:18,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:04:18,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:04:18,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:04:18,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:04:18,630 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:04:18,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2024-11-09 03:04:20,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:04:20,771 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:04:20,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2024-11-09 03:04:20,819 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7880edbf/0766afc33350491ca1e82200e934486f/FLAG73c6ebb33 [2024-11-09 03:04:20,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7880edbf/0766afc33350491ca1e82200e934486f [2024-11-09 03:04:20,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:04:20,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:04:20,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:04:20,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:04:20,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:04:20,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:04:20" (1/1) ... [2024-11-09 03:04:20,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecacec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:20, skipping insertion in model container [2024-11-09 03:04:20,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:04:20" (1/1) ... [2024-11-09 03:04:20,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:04:21,234 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_reserve_relative_harness_negated.i[4503,4516] [2024-11-09 03:04:21,242 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_reserve_relative_harness_negated.i[4563,4576] [2024-11-09 03:04:21,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:21,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:21,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:21,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:21,863 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:21,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:21,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:21,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:21,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,249 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,315 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,315 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:04:22,435 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:04:22,466 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_reserve_relative_harness_negated.i[4503,4516] [2024-11-09 03:04:22,467 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_reserve_relative_harness_negated.i[4563,4576] [2024-11-09 03:04:22,541 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,542 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,542 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,543 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,543 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,553 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,553 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,554 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,554 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8085] [2024-11-09 03:04:22,689 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,690 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:22,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8571-8582] [2024-11-09 03:04:22,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:04:22,943 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:04:22,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22 WrapperNode [2024-11-09 03:04:22,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:04:22,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:04:22,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:04:22,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:04:22,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,158 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1024 [2024-11-09 03:04:23,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:04:23,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:04:23,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:04:23,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:04:23,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,191 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,256 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-09 03:04:23,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:04:23,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:04:23,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:04:23,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:04:23,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (1/1) ... [2024-11-09 03:04:23,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:04:23,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:04:23,363 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) [2024-11-09 03:04:23,369 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 [2024-11-09 03:04:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:04:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:04:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:04:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:04:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:04:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 03:04:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 03:04:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:04:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:04:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:04:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:04:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:04:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:04:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 03:04:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:04:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:04:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:04:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:04:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-09 03:04:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-09 03:04:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 03:04:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-09 03:04:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-09 03:04:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:04:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:04:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:04:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-09 03:04:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-09 03:04:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 03:04:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 03:04:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:04:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:04:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-09 03:04:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-09 03:04:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 03:04:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 03:04:23,718 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:04:23,720 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:04:32,309 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-09 03:04:32,309 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:04:32,323 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:04:32,324 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-09 03:04:32,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:04:32 BoogieIcfgContainer [2024-11-09 03:04:32,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:04:32,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:04:32,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:04:32,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:04:32,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:04:20" (1/3) ... [2024-11-09 03:04:32,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0cac18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:04:32, skipping insertion in model container [2024-11-09 03:04:32,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:22" (2/3) ... [2024-11-09 03:04:32,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0cac18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:04:32, skipping insertion in model container [2024-11-09 03:04:32,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:04:32" (3/3) ... [2024-11-09 03:04:32,332 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2024-11-09 03:04:32,349 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:04:32,349 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:04:32,417 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:04:32,423 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;@64dd5b49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:04:32,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:04:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 112 states have (on average 1.3125) internal successors, (147), 111 states have internal predecessors, (147), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 03:04:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 03:04:32,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:04:32,437 INFO L215 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] [2024-11-09 03:04:32,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:04:32,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:04:32,442 INFO L85 PathProgramCache]: Analyzing trace with hash -835620094, now seen corresponding path program 1 times [2024-11-09 03:04:32,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:04:32,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801116156] [2024-11-09 03:04:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:04:32,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:05:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:54,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:05:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:54,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:05:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:54,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:05:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:54,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:05:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:54,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 03:05:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:55,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 03:05:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 03:05:55,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:05:55,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801116156] [2024-11-09 03:05:55,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801116156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:05:55,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:05:55,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:05:55,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116139844] [2024-11-09 03:05:55,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:05:55,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:05:55,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:05:55,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:05:55,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:05:55,088 INFO L87 Difference]: Start difference. First operand has 161 states, 112 states have (on average 1.3125) internal successors, (147), 111 states have internal predecessors, (147), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 03:05:59,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []