./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_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-?-c7c6ca5-m [2024-11-09 03:21:51,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:21:51,866 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:21:51,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:21:51,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:21:51,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:21:51,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:21:51,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:21:51,901 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:21:51,902 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:21:51,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:21:51,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:21:51,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:21:51,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:21:51,905 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:21:51,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:21:51,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:21:51,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:21:51,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:21:51,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:21:51,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:21:51,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:21:51,910 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:21:51,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:21:51,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:21:51,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:21:51,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:21:51,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:21:51,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:21:51,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:21:51,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:21:51,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:21:51,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:21:51,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:21:51,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:21:51,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:21:51,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:21:51,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:21:51,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:21:51,918 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 [2024-11-09 03:21:52,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:21:52,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:21:52,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:21:52,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:21:52,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:21:52,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-11-09 03:21:53,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:21:54,158 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:21:54,160 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-11-09 03:21:54,207 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34036cab0/87946be06c4e4dee90f30fee1f70384b/FLAGf14c081a9 [2024-11-09 03:21:54,236 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34036cab0/87946be06c4e4dee90f30fee1f70384b [2024-11-09 03:21:54,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:21:54,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:21:54,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:21:54,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:21:54,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:21:54,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:21:54" (1/1) ... [2024-11-09 03:21:54,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6145adcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:54, skipping insertion in model container [2024-11-09 03:21:54,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:21:54" (1/1) ... [2024-11-09 03:21:54,368 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:21:54,675 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] [2024-11-09 03:21:54,687 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] [2024-11-09 03:21:55,345 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:55,346 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:55,346 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:55,347 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:55,348 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:55,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:55,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:55,363 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:55,363 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:55,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:55,921 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:21:56,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:21:56,222 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] [2024-11-09 03:21:56,226 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] [2024-11-09 03:21:56,278 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,280 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,280 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,281 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,281 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,288 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,292 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-09 03:21:56,424 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,425 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:56,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-09 03:21:56,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:21:56,759 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:21:56,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56 WrapperNode [2024-11-09 03:21:56,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:21:56,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:21:56,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:21:56,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:21:56,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:56,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:56,986 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-11-09 03:21:56,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:21:56,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:21:56,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:21:56,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:21:57,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:57,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:57,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:57,101 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 257, 238, 16, 12, 5, 13]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 6, 16, 0, 5, 2]. The 493 writes are split as follows [0, 257, 232, 0, 3, 0, 1]. [2024-11-09 03:21:57,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:57,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:57,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:57,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:57,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:57,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:57,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:21:57,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:21:57,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:21:57,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:21:57,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (1/1) ... [2024-11-09 03:21:57,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:21:57,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:21:57,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:21:57,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:21:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-09 03:21:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-09 03:21:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:21:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:21:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:21:57,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:21:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:21:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:21:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:21:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:21:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:21:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:21:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:21:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:21:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:21:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:21:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:21:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:21:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:21:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:21:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:21:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:21:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:21:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:21:57,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:21:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:21:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:21:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:21:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:21:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:21:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:21:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:21:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:21:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:21:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:21:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:21:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:21:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:21:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:21:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:21:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:21:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:21:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:21:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:21:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:21:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:21:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:21:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:21:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:21:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:21:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:21:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:21:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:21:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:21:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:21:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-09 03:21:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-09 03:21:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:21:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:21:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:21:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:21:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:21:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:21:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:21:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:21:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:21:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:21:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:21:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:21:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:21:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:21:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:21:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:21:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:21:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:21:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:21:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:21:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:21:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:21:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:21:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:21:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:21:57,649 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:21:57,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:22:05,892 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-09 03:22:05,893 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:22:05,910 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:22:05,910 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:22:05,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:22:05 BoogieIcfgContainer [2024-11-09 03:22:05,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:22:05,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:22:05,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:22:05,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:22:05,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:21:54" (1/3) ... [2024-11-09 03:22:05,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522777fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:22:05, skipping insertion in model container [2024-11-09 03:22:05,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:56" (2/3) ... [2024-11-09 03:22:05,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@522777fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:22:05, skipping insertion in model container [2024-11-09 03:22:05,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:22:05" (3/3) ... [2024-11-09 03:22:05,923 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2024-11-09 03:22:05,939 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:22:05,939 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:22:06,002 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:22:06,008 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;@7ca48690, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:22:06,008 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:22:06,014 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) [2024-11-09 03:22:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 03:22:06,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:22:06,028 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] [2024-11-09 03:22:06,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:22:06,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:22:06,035 INFO L85 PathProgramCache]: Analyzing trace with hash 185201470, now seen corresponding path program 1 times [2024-11-09 03:22:06,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:22:06,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141536104] [2024-11-09 03:22:06,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:22:06,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:23:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:23,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:23:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:23,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:23:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:23,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 03:23:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:23,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 03:23:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:23,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:23:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:24,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:23:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:24,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 03:23:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:24,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:23:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:24,038 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 03:23:24,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:23:24,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141536104] [2024-11-09 03:23:24,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141536104] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:23:24,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781997991] [2024-11-09 03:23:24,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:23:24,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:23:24,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:23:24,048 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) [2024-11-09 03:23:24,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process