./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_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 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:42:47,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:42:47,876 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:42:47,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:42:47,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:42:47,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:42:47,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:42:47,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:42:47,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:42:47,901 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:42:47,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:42:47,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:42:47,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:42:47,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:42:47,902 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:42:47,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:42:47,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:42:47,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:42:47,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:42:47,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:42:47,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:42:47,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:42:47,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:42:47,903 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:42:47,904 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:42:47,904 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:42:47,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:42:47,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:42:47,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:42:47,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:42:47,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:42:47,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:42:47,905 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:42:47,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:42:47,905 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:42:47,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:42:47,905 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:42:47,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:42:47,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:42:47,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:42:47,905 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 [2025-03-04 02:42:48,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:42:48,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:42:48,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:42:48,118 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:42:48,118 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:42:48,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2025-03-04 02:42:49,228 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ed22f94/64e33974349a42cca7f86a73b5822c23/FLAGacf3c5e32 [2025-03-04 02:42:49,745 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:42:49,746 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2025-03-04 02:42:49,777 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ed22f94/64e33974349a42cca7f86a73b5822c23/FLAGacf3c5e32 [2025-03-04 02:42:49,801 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8ed22f94/64e33974349a42cca7f86a73b5822c23 [2025-03-04 02:42:49,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:42:49,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:42:49,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:42:49,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:42:49,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:42:49,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:42:49" (1/1) ... [2025-03-04 02:42:49,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec88184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:49, skipping insertion in model container [2025-03-04 02:42:49,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:42:49" (1/1) ... [2025-03-04 02:42:49,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:42:50,113 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_write_be16_harness_negated.i[4497,4510] [2025-03-04 02:42:50,121 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_write_be16_harness_negated.i[4557,4570] [2025-03-04 02:42:50,696 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:50,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:50,697 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:50,698 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:50,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:50,709 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:50,709 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:50,712 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:50,712 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,126 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,126 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:42:51,276 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:42:51,287 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_write_be16_harness_negated.i[4497,4510] [2025-03-04 02:42:51,287 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_write_be16_harness_negated.i[4557,4570] [2025-03-04 02:42:51,320 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,320 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,321 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,321 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,322 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,418 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-04 02:42:51,421 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,421 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:51,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-04 02:42:51,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:42:51,595 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:42:51,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51 WrapperNode [2025-03-04 02:42:51,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:42:51,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:42:51,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:42:51,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:42:51,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,734 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2025-03-04 02:42:51,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:42:51,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:42:51,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:42:51,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:42:51,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,748 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,803 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 47, 8, 4, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 8, 5, 0, 0]. The 497 writes are split as follows [0, 257, 232, 3, 1, 2, 2]. [2025-03-04 02:42:51,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,836 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:42:51,861 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:42:51,861 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:42:51,861 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:42:51,862 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (1/1) ... [2025-03-04 02:42:51,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:42:51,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:42:51,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 02:42:51,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 02:42:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:42:51,911 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:42:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:42:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:42:51,911 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:42:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:42:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:42:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:42:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:42:51,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:42:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 02:42:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:42:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:42:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:42:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:42:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 02:42:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:42:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-04 02:42:51,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-04 02:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:42:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:42:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:42:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:42:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:42:51,916 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:42:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:42:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:42:52,165 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:42:52,167 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:42:52,197 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:42:52,349 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-03-04 02:42:52,362 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:42:52,371 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-03-04 02:42:59,473 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:42:59,474 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4041: havoc aws_hton16_#t~nondet269#1; [2025-03-04 02:42:59,474 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:42:59,474 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: havoc nondet_uint16_t_#t~nondet7#1; [2025-03-04 02:42:59,474 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8552: havoc aws_byte_buf_write_be16_#t~ret1202#1;call ULTIMATE.dealloc(aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset);havoc aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset; [2025-03-04 02:42:59,525 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2025-03-04 02:42:59,525 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:42:59,534 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:42:59,535 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:42:59,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:42:59 BoogieIcfgContainer [2025-03-04 02:42:59,535 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:42:59,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:42:59,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:42:59,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:42:59,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:42:49" (1/3) ... [2025-03-04 02:42:59,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be99428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:42:59, skipping insertion in model container [2025-03-04 02:42:59,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:51" (2/3) ... [2025-03-04 02:42:59,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be99428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:42:59, skipping insertion in model container [2025-03-04 02:42:59,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:42:59" (3/3) ... [2025-03-04 02:42:59,544 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i [2025-03-04 02:42:59,557 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:42:59,558 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be16_harness_negated.i that has 11 procedures, 131 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:42:59,602 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:42:59,611 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;@182586f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:42:59,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:42:59,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 85 states have (on average 1.223529411764706) internal successors, (104), 86 states have internal predecessors, (104), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-04 02:42:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-04 02:42:59,621 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:42:59,622 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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] [2025-03-04 02:42:59,622 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:42:59,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:42:59,626 INFO L85 PathProgramCache]: Analyzing trace with hash 765543549, now seen corresponding path program 1 times [2025-03-04 02:42:59,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:42:59,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403687773] [2025-03-04 02:42:59,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:42:59,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:44:10,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 02:44:10,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 02:44:10,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:44:10,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:44:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-04 02:44:11,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:44:11,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403687773] [2025-03-04 02:44:11,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403687773] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:44:11,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655211652] [2025-03-04 02:44:11,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:44:11,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:44:11,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:44:11,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:44:11,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process