./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_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_cursor_from_buf_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 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:47:40,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:47:40,610 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:47:40,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:47:40,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:47:40,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:47:40,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:47:40,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:47:40,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:47:40,641 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:47:40,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:47:40,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:47:40,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:47:40,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:47:40,642 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:47:40,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:47:40,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:47:40,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:47:40,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:47:40,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:47:40,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:47:40,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:47:40,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:47:40,644 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:47:40,644 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:47:40,644 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:47:40,644 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:47:40,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:47:40,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:47:40,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:47:40,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:47:40,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:47:40,644 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:47:40,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:47:40,645 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:47:40,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:47:40,646 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:47:40,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:47:40,646 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:47:40,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:47:40,646 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 -> 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f [2025-03-04 02:47:40,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:47:40,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:47:40,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:47:40,855 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:47:40,855 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:47:40,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-03-04 02:47:41,966 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e07a123/aafa5e7e60854901a0695d83b6935157/FLAG517883132 [2025-03-04 02:47:42,361 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:47:42,363 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-03-04 02:47:42,393 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e07a123/aafa5e7e60854901a0695d83b6935157/FLAG517883132 [2025-03-04 02:47:42,406 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e07a123/aafa5e7e60854901a0695d83b6935157 [2025-03-04 02:47:42,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:47:42,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:47:42,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:47:42,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:47:42,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:47:42,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:47:42" (1/1) ... [2025-03-04 02:47:42,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e4bf25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:42, skipping insertion in model container [2025-03-04 02:47:42,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:47:42" (1/1) ... [2025-03-04 02:47:42,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:47:42,663 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_cursor_from_buf_harness_negated.i[4498,4511] [2025-03-04 02:47:42,669 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_cursor_from_buf_harness_negated.i[4558,4571] [2025-03-04 02:47:43,127 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,128 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,128 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,128 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,129 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,142 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,142 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,525 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:47:43,635 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:47:43,649 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_cursor_from_buf_harness_negated.i[4498,4511] [2025-03-04 02:47:43,650 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_cursor_from_buf_harness_negated.i[4558,4571] [2025-03-04 02:47:43,686 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,686 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-04 02:47:43,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:43,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-04 02:47:43,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:47:43,973 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:47:43,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43 WrapperNode [2025-03-04 02:47:43,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:47:43,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:47:43,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:47:43,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:47:43,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,090 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2025-03-04 02:47:44,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:47:44,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:47:44,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:47:44,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:47:44,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,106 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,157 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 14, 257, 6, 247, 39]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 2, 0, 0, 11, 8]. The 495 writes are split as follows [0, 2, 257, 2, 232, 2]. [2025-03-04 02:47:44,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,179 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:47:44,214 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:47:44,215 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:47:44,215 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:47:44,216 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (1/1) ... [2025-03-04 02:47:44,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:47:44,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:47:44,242 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 02:47:44,246 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 02:47:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:47:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:47:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:47:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:47:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:47:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:47:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:47:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2025-03-04 02:47:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:47:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:47:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:47:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:47:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:47:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:47:44,264 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:47:44,264 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:47:44,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:47:44,518 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:47:44,520 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:47:44,552 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:47:44,572 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:47:44,618 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-03-04 02:47:44,628 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:47:44,651 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7355: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-03-04 02:47:44,666 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8208: havoc #t~mem1071;havoc #t~mem1072.base, #t~mem1072.offset;call ULTIMATE.dealloc(~#cur~0.base, ~#cur~0.offset);havoc ~#cur~0.base, ~#cur~0.offset; [2025-03-04 02:47:51,487 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:47:51,488 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:47:51,519 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2025-03-04 02:47:51,519 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:47:51,529 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:47:51,529 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:47:51,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:47:51 BoogieIcfgContainer [2025-03-04 02:47:51,530 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:47:51,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:47:51,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:47:51,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:47:51,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:47:42" (1/3) ... [2025-03-04 02:47:51,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2394a297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:47:51, skipping insertion in model container [2025-03-04 02:47:51,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:43" (2/3) ... [2025-03-04 02:47:51,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2394a297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:47:51, skipping insertion in model container [2025-03-04 02:47:51,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:47:51" (3/3) ... [2025-03-04 02:47:51,535 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness_negated.i [2025-03-04 02:47:51,548 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:47:51,549 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_buf_harness_negated.i that has 11 procedures, 128 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-04 02:47:51,602 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:47:51,609 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;@25dc352e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:47:51,610 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:47:51,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-04 02:47:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-04 02:47:51,622 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:47:51,622 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:47:51,623 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:47:51,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:47:51,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1102452, now seen corresponding path program 1 times [2025-03-04 02:47:51,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:47:51,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101290906] [2025-03-04 02:47:51,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:47:51,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:48:54,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-04 02:48:54,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-04 02:48:54,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:48:54,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:48:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-04 02:48:55,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:48:55,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101290906] [2025-03-04 02:48:55,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101290906] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:48:55,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666574491] [2025-03-04 02:48:55,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:48:55,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:48:55,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:48:55,342 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 02:48:55,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process