./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.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_byte_cursor_compare_lookup_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 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:07:52,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:07:52,626 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:07:52,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:07:52,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:07:52,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:07:52,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:07:52,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:07:52,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:07:52,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:07:52,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:07:52,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:07:52,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:07:52,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:07:52,669 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:07:52,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:07:52,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:07:52,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:07:52,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:07:52,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:07:52,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:07:52,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:07:52,675 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:07:52,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:07:52,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:07:52,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:07:52,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:07:52,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:07:52,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:07:52,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:07:52,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:07:52,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:07:52,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:07:52,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:07:52,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:07:52,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:07:52,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:07:52,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:07:52,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:07:52,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 [2024-11-09 03:07:52,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:07:52,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:07:52,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:07:52,955 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:07:52,956 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:07:52,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2024-11-09 03:07:54,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:07:54,853 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:07:54,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2024-11-09 03:07:54,905 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9cd449fa/9b3458edc6764898b3dfbd4115fd4da0/FLAG1b9f700f3 [2024-11-09 03:07:54,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9cd449fa/9b3458edc6764898b3dfbd4115fd4da0 [2024-11-09 03:07:54,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:07:54,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:07:54,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:07:54,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:07:54,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:07:54,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:07:54" (1/1) ... [2024-11-09 03:07:54,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f184e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:54, skipping insertion in model container [2024-11-09 03:07:54,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:07:54" (1/1) ... [2024-11-09 03:07:55,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:07:55,221 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4504,4517] [2024-11-09 03:07:55,229 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4564,4577] [2024-11-09 03:07:55,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:55,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:55,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:55,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:55,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:55,798 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:55,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:55,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:55,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:07:56,398 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:07:56,410 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4504,4517] [2024-11-09 03:07:56,411 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4564,4577] [2024-11-09 03:07:56,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,487 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,491 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,492 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,492 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-09 03:07:56,615 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,615 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:07:56,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-09 03:07:56,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:07:56,910 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:07:56,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56 WrapperNode [2024-11-09 03:07:56,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:07:56,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:07:56,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:07:56,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:07:56,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,075 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2024-11-09 03:07:57,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:07:57,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:07:57,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:07:57,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:07:57,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,093 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,169 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 2, 257, 238, 6, 34, 4, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 6, 0, 4, 0, 5]. The 494 writes are split as follows [0, 0, 257, 232, 2, 3, 0, 0]. [2024-11-09 03:07:57,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:07:57,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:07:57,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:07:57,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:07:57,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (1/1) ... [2024-11-09 03:07:57,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:07:57,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:07:57,279 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 03:07:57,287 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 03:07:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:07:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:07:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:07:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:07:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:07:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:07:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:07:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:07:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:07:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:07:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:07:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:07:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 03:07:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:07:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:07:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:07:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:07:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:07:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:07:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:07:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 03:07:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-09 03:07:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-09 03:07:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:07:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:07:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:07:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:07:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 03:07:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 03:07:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:07:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:07:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:07:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:07:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:07:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:07:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:07:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 03:07:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:07:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:07:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:07:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:07:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:07:57,325 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:07:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:07:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:07:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:07:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:07:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:07:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:07:57,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:07:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 03:07:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:07:57,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:07:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:07:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:07:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-09 03:07:57,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2024-11-09 03:07:57,328 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:07:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:07:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:07:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:07:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:07:57,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 03:07:57,562 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:07:57,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:08:05,800 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-09 03:08:05,801 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:08:05,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:08:05,817 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:08:05,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:08:05 BoogieIcfgContainer [2024-11-09 03:08:05,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:08:05,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:08:05,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:08:05,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:08:05,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:07:54" (1/3) ... [2024-11-09 03:08:05,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770673d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:08:05, skipping insertion in model container [2024-11-09 03:08:05,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:07:56" (2/3) ... [2024-11-09 03:08:05,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@770673d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:08:05, skipping insertion in model container [2024-11-09 03:08:05,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:08:05" (3/3) ... [2024-11-09 03:08:05,828 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness.i [2024-11-09 03:08:05,861 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:08:05,862 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:08:05,924 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:08:05,930 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;@2dff7601, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:08:05,931 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:08:05,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 80 states have (on average 1.2625) internal successors, (101), 81 states have internal predecessors, (101), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-09 03:08:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 03:08:05,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:08:05,947 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:08:05,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:08:05,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:08:05,955 INFO L85 PathProgramCache]: Analyzing trace with hash -912149048, now seen corresponding path program 1 times [2024-11-09 03:08:05,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:08:05,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621288106] [2024-11-09 03:08:05,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:08:05,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:09:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:27,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:09:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:27,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:09:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:27,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:09:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:27,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:09:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 03:09:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 03:09:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 03:09:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 03:09:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 03:09:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 03:09:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 03:09:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 03:09:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 03:09:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:09:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:09:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:09:28,656 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-09 03:09:28,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:09:28,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621288106] [2024-11-09 03:09:28,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621288106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:09:28,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185556116] [2024-11-09 03:09:28,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:09:28,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:09:28,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:09:28,660 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 03:09:28,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process