./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_advance_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 e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:38:26,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:38:26,636 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:38:26,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:38:26,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:38:26,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:38:26,686 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:38:26,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:38:26,687 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:38:26,687 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:38:26,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:38:26,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:38:26,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:38:26,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:38:26,708 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:38:26,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:38:26,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:38:26,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:38:26,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:38:26,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:38:26,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:38:26,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:38:26,710 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:38:26,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:38:26,711 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:38:26,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:38:26,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:38:26,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:38:26,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:38:26,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:38:26,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:38:26,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:38:26,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:38:26,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:38:26,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:38:26,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:38:26,716 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:38:26,716 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:38:26,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:38:26,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f [2024-11-12 08:38:26,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:38:26,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:38:27,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:38:27,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:38:27,003 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:38:27,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i [2024-11-12 08:38:28,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:38:29,118 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:38:29,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i [2024-11-12 08:38:29,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98fcc0591/837555d92b5e46b49b4ad926e6607cbc/FLAGa84eef582 [2024-11-12 08:38:29,649 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98fcc0591/837555d92b5e46b49b4ad926e6607cbc [2024-11-12 08:38:29,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:38:29,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:38:29,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:38:29,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:38:29,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:38:29,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:38:29" (1/1) ... [2024-11-12 08:38:29,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5486df2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:29, skipping insertion in model container [2024-11-12 08:38:29,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:38:29" (1/1) ... [2024-11-12 08:38:29,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:38:30,097 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_advance_harness_negated.i[4494,4507] [2024-11-12 08:38:30,107 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_advance_harness_negated.i[4554,4567] [2024-11-12 08:38:30,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:30,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:30,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:30,955 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:30,956 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:30,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:30,975 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:30,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:30,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,670 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:38:31,797 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:38:31,818 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_advance_harness_negated.i[4494,4507] [2024-11-12 08:38:31,819 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_advance_harness_negated.i[4554,4567] [2024-11-12 08:38:31,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,863 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-12 08:38:31,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:31,992 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:38:32,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-12 08:38:32,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:38:32,330 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:38:32,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32 WrapperNode [2024-11-12 08:38:32,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:38:32,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:38:32,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:38:32,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:38:32,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,527 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 975 [2024-11-12 08:38:32,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:38:32,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:38:32,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:38:32,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:38:32,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,555 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,696 INFO L175 MemorySlicer]: Split 591 memory accesses to 5 slices as follows [2, 257, 6, 245, 81]. 43 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 0, 11, 12]. The 508 writes are split as follows [0, 257, 2, 232, 17]. [2024-11-12 08:38:32,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:38:32,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:38:32,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:38:32,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:38:32,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (1/1) ... [2024-11-12 08:38:32,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:38:32,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:38:32,816 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) [2024-11-12 08:38:32,821 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 [2024-11-12 08:38:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-12 08:38:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-12 08:38:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:38:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:38:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:38:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:38:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:38:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:38:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:38:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:38:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:38:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:38:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:38:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:38:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:38:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-12 08:38:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-12 08:38:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:38:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:38:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:38:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:38:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:38:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:38:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:38:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:38:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:38:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:38:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:38:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:38:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:38:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:38:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:38:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:38:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:38:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:38:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:38:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:38:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:38:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:38:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:38:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-12 08:38:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-12 08:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:38:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-12 08:38:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-12 08:38:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-12 08:38:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-12 08:38:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:38:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:38:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:38:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:38:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:38:33,192 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:38:33,195 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:38:42,307 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-12 08:38:42,307 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:38:42,328 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:38:42,329 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-12 08:38:42,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:38:42 BoogieIcfgContainer [2024-11-12 08:38:42,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:38:42,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:38:42,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:38:42,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:38:42,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:38:29" (1/3) ... [2024-11-12 08:38:42,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21708f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:38:42, skipping insertion in model container [2024-11-12 08:38:42,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:38:32" (2/3) ... [2024-11-12 08:38:42,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21708f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:38:42, skipping insertion in model container [2024-11-12 08:38:42,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:38:42" (3/3) ... [2024-11-12 08:38:42,341 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness_negated.i [2024-11-12 08:38:42,359 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:38:42,360 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:38:42,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:38:42,444 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;@43d2233b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:38:42,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:38:42,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 105 states have internal predecessors, (128), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-12 08:38:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-12 08:38:42,463 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:38:42,464 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2024-11-12 08:38:42,465 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:38:42,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:38:42,469 INFO L85 PathProgramCache]: Analyzing trace with hash -613852057, now seen corresponding path program 1 times [2024-11-12 08:38:42,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:38:42,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765514126] [2024-11-12 08:38:42,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:38:42,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:40:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:01,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:40:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:01,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-12 08:40:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:01,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:40:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:40:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:40:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:40:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 08:40:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-12 08:40:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-12 08:40:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 08:40:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 08:40:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 08:40:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 08:40:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-12 08:40:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:40:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-12 08:40:02,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:40:02,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765514126] [2024-11-12 08:40:02,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765514126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:40:02,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:40:02,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:40:02,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332274120] [2024-11-12 08:40:02,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:40:02,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:40:02,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:40:02,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:40:02,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:40:02,250 INFO L87 Difference]: Start difference. First operand has 172 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 105 states have internal predecessors, (128), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-12 08:40:06,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []