./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.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 caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:25:36,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:25:36,153 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:25:36,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:25:36,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:25:36,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:25:36,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:25:36,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:25:36,189 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:25:36,190 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:25:36,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:25:36,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:25:36,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:25:36,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:25:36,192 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:25:36,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:25:36,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:25:36,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:25:36,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:25:36,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:25:36,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:25:36,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:25:36,194 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:25:36,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:25:36,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:25:36,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:25:36,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:25:36,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:25:36,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:25:36,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:25:36,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:25:36,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:25:36,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:25:36,196 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:25:36,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:25:36,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:25:36,197 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:25:36,197 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:25:36,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:25:36,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a [2024-11-22 14:25:36,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:25:36,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:25:36,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:25:36,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:25:36,431 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:25:36,433 INFO L431 ainManager$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.i [2024-11-22 14:25:37,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:25:38,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:25:38,102 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2024-11-22 14:25:38,135 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e1f4e7b/d637335d1be044069545fc2fae1badae/FLAGf34e85479 [2024-11-22 14:25:38,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e1f4e7b/d637335d1be044069545fc2fae1badae [2024-11-22 14:25:38,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:25:38,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:25:38,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:25:38,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:25:38,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:25:38,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:25:38" (1/1) ... [2024-11-22 14:25:38,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@324b8f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:38, skipping insertion in model container [2024-11-22 14:25:38,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:25:38" (1/1) ... [2024-11-22 14:25:38,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:25:38,513 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.i[4499,4512] [2024-11-22 14:25:38,520 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.i[4559,4572] [2024-11-22 14:25:39,235 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:39,235 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:39,236 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:39,236 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:39,237 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:39,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:39,248 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:39,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:39,252 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:39,866 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:39,870 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:39,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:25:40,014 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:25:40,026 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.i[4499,4512] [2024-11-22 14:25:40,031 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.i[4559,4572] [2024-11-22 14:25:40,075 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:40,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:40,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:40,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:40,078 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:40,081 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:40,082 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:40,082 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:40,082 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:40,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-22 14:25:40,181 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:40,183 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:25:40,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-22 14:25:40,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:25:40,476 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:25:40,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40 WrapperNode [2024-11-22 14:25:40,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:25:40,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:25:40,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:25:40,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:25:40,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,623 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-11-22 14:25:40,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:25:40,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:25:40,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:25:40,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:25:40,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,720 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 5, 12, 257, 238, 13, 16]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 5, 0, 0, 6, 2, 16]. The 493 writes are split as follows [0, 0, 3, 257, 232, 1, 0]. [2024-11-22 14:25:40,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:25:40,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:25:40,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:25:40,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:25:40,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (1/1) ... [2024-11-22 14:25:40,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:25:40,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:25:40,812 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) [2024-11-22 14:25:40,818 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 [2024-11-22 14:25:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-22 14:25:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-22 14:25:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-22 14:25:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-22 14:25:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-22 14:25:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-22 14:25:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:25:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:25:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:25:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:25:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:25:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:25:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:25:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:25:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:25:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 14:25:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:25:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:25:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:25:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:25:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:25:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:25:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 14:25:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:25:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:25:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:25:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:25:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:25:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:25:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:25:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:25:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:25:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:25:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 14:25:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:25:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-22 14:25:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:25:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:25:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:25:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:25:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:25:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 14:25:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:25:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:25:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:25:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:25:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:25:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:25:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:25:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:25:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:25:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:25:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 14:25:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:25:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:25:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:25:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:25:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:25:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:25:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 14:25:41,118 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:25:41,120 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:25:48,262 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-22 14:25:48,266 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:25:48,280 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:25:48,280 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 14:25:48,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:25:48 BoogieIcfgContainer [2024-11-22 14:25:48,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:25:48,282 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:25:48,282 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:25:48,285 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:25:48,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:25:38" (1/3) ... [2024-11-22 14:25:48,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d06108e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:25:48, skipping insertion in model container [2024-11-22 14:25:48,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:25:40" (2/3) ... [2024-11-22 14:25:48,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d06108e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:25:48, skipping insertion in model container [2024-11-22 14:25:48,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:25:48" (3/3) ... [2024-11-22 14:25:48,286 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness.i [2024-11-22 14:25:48,298 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:25:48,298 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:25:48,339 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:25:48,343 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;@703e9e6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:25:48,343 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:25:48,347 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) [2024-11-22 14:25:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-22 14:25:48,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:25:48,356 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] [2024-11-22 14:25:48,356 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:25:48,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:25:48,360 INFO L85 PathProgramCache]: Analyzing trace with hash 185201470, now seen corresponding path program 1 times [2024-11-22 14:25:48,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:25:48,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210541394] [2024-11-22 14:25:48,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:25:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:27:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:27:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 14:27:09,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:27:09,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210541394] [2024-11-22 14:27:09,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210541394] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:27:09,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590505970] [2024-11-22 14:27:09,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:27:09,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:27:09,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:27:09,081 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) [2024-11-22 14:27:09,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process