./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_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 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:16:53,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:16:53,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:16:53,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:16:53,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:16:53,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:16:53,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:16:53,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:16:53,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:16:53,960 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:16:53,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:16:53,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:16:53,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:16:53,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:16:53,965 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:16:53,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:16:53,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:16:53,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:16:53,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:16:53,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:16:53,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:16:53,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:16:53,967 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:16:53,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:16:53,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:16:53,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:16:53,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:16:53,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:16:53,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:16:53,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:16:53,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:16:53,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:16:53,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:16:53,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:16:53,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:16:53,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:16:53,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:16:53,971 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:16:53,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:16:53,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 [2024-11-20 10:16:54,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:16:54,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:16:54,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:16:54,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:16:54,238 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:16:54,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-11-20 10:16:55,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:16:56,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:16:56,061 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-11-20 10:16:56,099 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db6f32e18/fc68c930f61a479fb52f8065e4cfcb31/FLAG696822895 [2024-11-20 10:16:56,115 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db6f32e18/fc68c930f61a479fb52f8065e4cfcb31 [2024-11-20 10:16:56,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:16:56,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:16:56,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:16:56,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:16:56,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:16:56,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:16:56" (1/1) ... [2024-11-20 10:16:56,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2fd92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:56, skipping insertion in model container [2024-11-20 10:16:56,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:16:56" (1/1) ... [2024-11-20 10:16:56,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:16:56,607 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_string_eq_byte_cursor_harness_negated.i[4499,4512] [2024-11-20 10:16:56,615 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_string_eq_byte_cursor_harness_negated.i[4559,4572] [2024-11-20 10:16:57,182 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,182 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,183 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,183 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,185 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,200 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,201 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,692 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:16:57,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:16:57,844 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_string_eq_byte_cursor_harness_negated.i[4499,4512] [2024-11-20 10:16:57,845 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_string_eq_byte_cursor_harness_negated.i[4559,4572] [2024-11-20 10:16:57,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,902 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,902 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,916 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:57,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:58,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-20 10:16:58,146 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:58,146 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:16:58,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-20 10:16:58,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:16:58,335 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:16:58,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58 WrapperNode [2024-11-20 10:16:58,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:16:58,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:16:58,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:16:58,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:16:58,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,494 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-11-20 10:16:58,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:16:58,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:16:58,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:16:58,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:16:58,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,520 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,619 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 13, 5, 257, 238, 16, 12]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 2, 5, 0, 6, 16, 0]. The 493 writes are split as follows [0, 1, 0, 257, 232, 0, 3]. [2024-11-20 10:16:58,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:16:58,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:16:58,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:16:58,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:16:58,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (1/1) ... [2024-11-20 10:16:58,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:16:58,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:16:58,725 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) [2024-11-20 10:16:58,727 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 [2024-11-20 10:16:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-20 10:16:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-20 10:16:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-20 10:16:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-20 10:16:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-20 10:16:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-20 10:16:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:16:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:16:58,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:16:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:16:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:16:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:16:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:16:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:16:58,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:16:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 10:16:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:16:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:16:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:16:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:16:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:16:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:16:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 10:16:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:16:58,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:16:58,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:16:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:16:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:16:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:16:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:16:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:16:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:16:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:16:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 10:16:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:16:58,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:16:58,764 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:16:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:16:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:16:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:16:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:16:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:16:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:16:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:16:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 10:16:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:16:58,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:16:58,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:16:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:16:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:16:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:16:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:16:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:16:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:16:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 10:16:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-20 10:16:58,766 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-20 10:16:58,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:16:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:16:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:16:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:16:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:16:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:16:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 10:16:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:16:58,767 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:16:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:16:58,768 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:16:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:16:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:16:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:16:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:16:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:16:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:16:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 10:16:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:16:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:16:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:16:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:16:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:16:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:16:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 10:16:59,033 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:16:59,035 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:17:06,212 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-20 10:17:06,212 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:17:06,224 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:17:06,225 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 10:17:06,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:17:06 BoogieIcfgContainer [2024-11-20 10:17:06,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:17:06,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:17:06,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:17:06,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:17:06,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:16:56" (1/3) ... [2024-11-20 10:17:06,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc84e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:17:06, skipping insertion in model container [2024-11-20 10:17:06,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:16:58" (2/3) ... [2024-11-20 10:17:06,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc84e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:17:06, skipping insertion in model container [2024-11-20 10:17:06,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:17:06" (3/3) ... [2024-11-20 10:17:06,234 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2024-11-20 10:17:06,246 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:17:06,246 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:17:06,298 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:17:06,304 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;@1e34e3ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:17:06,304 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:17:06,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 10:17:06,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-20 10:17:06,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:17:06,317 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-11-20 10:17:06,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:17:06,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:17:06,321 INFO L85 PathProgramCache]: Analyzing trace with hash 185201470, now seen corresponding path program 1 times [2024-11-20 10:17:06,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:17:06,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980038323] [2024-11-20 10:17:06,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:17:06,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:18:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:26,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:18:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:26,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 10:18:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:26,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 10:18:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:26,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 10:18:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:26,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:18:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:26,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 10:18:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:26,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 10:18:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:26,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:18:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:18:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 10:18:26,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:18:26,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980038323] [2024-11-20 10:18:26,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980038323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 10:18:26,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577382558] [2024-11-20 10:18:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:18:26,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 10:18:26,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:18:26,271 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) [2024-11-20 10:18:26,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process