./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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_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.dk.perfect-tracechecks-8be7027-m [2024-11-12 09:00:41,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 09:00:41,956 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 09:00:41,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 09:00:41,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 09:00:42,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 09:00:42,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 09:00:42,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 09:00:42,010 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 09:00:42,011 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 09:00:42,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 09:00:42,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 09:00:42,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 09:00:42,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 09:00:42,012 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 09:00:42,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 09:00:42,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 09:00:42,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 09:00:42,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 09:00:42,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 09:00:42,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 09:00:42,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 09:00:42,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 09:00:42,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 09:00:42,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 09:00:42,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 09:00:42,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 09:00:42,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 09:00:42,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 09:00:42,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:00:42,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 09:00:42,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 09:00:42,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 09:00:42,029 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 09:00:42,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 09:00:42,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 09:00:42,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 09:00:42,030 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 09:00:42,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 09:00:42,030 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 [2024-11-12 09:00:42,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 09:00:42,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 09:00:42,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 09:00:42,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 09:00:42,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 09:00:42,266 INFO L431 ainManager$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 [2024-11-12 09:00:43,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 09:00:43,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 09:00:43,989 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-11-12 09:00:44,030 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b3045cc/47dbefa41ef345828855e19e87c8e3a0/FLAGf380ee70d [2024-11-12 09:00:44,047 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b3045cc/47dbefa41ef345828855e19e87c8e3a0 [2024-11-12 09:00:44,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 09:00:44,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 09:00:44,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 09:00:44,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 09:00:44,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 09:00:44,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:00:44" (1/1) ... [2024-11-12 09:00:44,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415e82b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:44, skipping insertion in model container [2024-11-12 09:00:44,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:00:44" (1/1) ... [2024-11-12 09:00:44,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 09:00:44,434 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] [2024-11-12 09:00:44,443 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] [2024-11-12 09:00:45,189 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:00:45,782 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 09:00:45,797 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] [2024-11-12 09:00:45,798 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] [2024-11-12 09:00:45,834 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,834 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,834 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,835 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,835 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,841 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,842 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,842 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,844 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-12 09:00:45,935 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,935 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 09:00:45,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-12 09:00:45,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 09:00:46,201 INFO L204 MainTranslator]: Completed translation [2024-11-12 09:00:46,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46 WrapperNode [2024-11-12 09:00:46,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 09:00:46,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 09:00:46,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 09:00:46,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 09:00:46,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,406 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-11-12 09:00:46,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 09:00:46,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 09:00:46,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 09:00:46,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 09:00:46,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,512 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 12, 5, 257, 238, 16, 13]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 5, 0, 6, 16, 2]. The 493 writes are split as follows [0, 3, 0, 257, 232, 0, 1]. [2024-11-12 09:00:46,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 09:00:46,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 09:00:46,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 09:00:46,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 09:00:46,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (1/1) ... [2024-11-12 09:00:46,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 09:00:46,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:00:46,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 09:00:46,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 09:00:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-12 09:00:46,663 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-12 09:00:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-12 09:00:46,663 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-12 09:00:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-12 09:00:46,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-12 09:00:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 09:00:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 09:00:46,664 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 09:00:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 09:00:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 09:00:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 09:00:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 09:00:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 09:00:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 09:00:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 09:00:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 09:00:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 09:00:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 09:00:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 09:00:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 09:00:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 09:00:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 09:00:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 09:00:46,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 09:00:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 09:00:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 09:00:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 09:00:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 09:00:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 09:00:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 09:00:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 09:00:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 09:00:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 09:00:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 09:00:46,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 09:00:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 09:00:46,668 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 09:00:46,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 09:00:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 09:00:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 09:00:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 09:00:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 09:00:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 09:00:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-12 09:00:46,669 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-12 09:00:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 09:00:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 09:00:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 09:00:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 09:00:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 09:00:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 09:00:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 09:00:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 09:00:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 09:00:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 09:00:46,672 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 09:00:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 09:00:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 09:00:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 09:00:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 09:00:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 09:00:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 09:00:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 09:00:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 09:00:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 09:00:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 09:00:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 09:00:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 09:00:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 09:00:46,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 09:00:46,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 09:00:46,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 09:00:54,251 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-12 09:00:54,252 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 09:00:54,263 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 09:00:54,264 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 09:00:54,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:00:54 BoogieIcfgContainer [2024-11-12 09:00:54,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 09:00:54,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 09:00:54,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 09:00:54,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 09:00:54,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:00:44" (1/3) ... [2024-11-12 09:00:54,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38103383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:00:54, skipping insertion in model container [2024-11-12 09:00:54,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:00:46" (2/3) ... [2024-11-12 09:00:54,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38103383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:00:54, skipping insertion in model container [2024-11-12 09:00:54,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:00:54" (3/3) ... [2024-11-12 09:00:54,271 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2024-11-12 09:00:54,284 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 09:00:54,285 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 09:00:54,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 09:00:54,388 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;@328bcfc8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 09:00:54,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 09:00:54,393 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) [2024-11-12 09:00:54,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-12 09:00:54,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 09:00:54,402 INFO L218 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] [2024-11-12 09:00:54,402 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 09:00:54,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 09:00:54,407 INFO L85 PathProgramCache]: Analyzing trace with hash 185201470, now seen corresponding path program 1 times [2024-11-12 09:00:54,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 09:00:54,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881992511] [2024-11-12 09:00:54,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:00:54,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 09:02:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:19,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 09:02:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:19,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 09:02:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:19,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 09:02:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:19,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 09:02:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:19,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 09:02:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:19,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 09:02:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:19,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-12 09:02:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:19,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 09:02:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 09:02:19,645 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-12 09:02:19,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 09:02:19,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881992511] [2024-11-12 09:02:19,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881992511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 09:02:19,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978559726] [2024-11-12 09:02:19,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 09:02:19,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 09:02:19,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 09:02:19,650 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) [2024-11-12 09:02:19,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process