./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_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 e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:12:17,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:12:17,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:12:17,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:12:17,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:12:17,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:12:17,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:12:17,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:12:17,544 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:12:17,544 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:12:17,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:12:17,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:12:17,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:12:17,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:12:17,546 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:12:17,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:12:17,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:12:17,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:12:17,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:12:17,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:12:17,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:12:17,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:12:17,553 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:12:17,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:12:17,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:12:17,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:12:17,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:12:17,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:12:17,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:12:17,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:12:17,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:12:17,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:12:17,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:12:17,555 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:12:17,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:12:17,555 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:12:17,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:12:17,556 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:12:17,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:12:17,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 [2024-11-19 02:12:17,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:12:17,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:12:17,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:12:17,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:12:17,816 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:12:17,817 INFO L431 ainManager$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_negated.i [2024-11-19 02:12:19,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:12:19,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:12:19,480 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2024-11-19 02:12:19,512 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a0f443c2/516b54e4205241acb532d3804d61d2e2/FLAGbacc8923a [2024-11-19 02:12:19,562 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a0f443c2/516b54e4205241acb532d3804d61d2e2 [2024-11-19 02:12:19,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:12:19,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:12:19,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:12:19,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:12:19,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:12:19,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:12:19" (1/1) ... [2024-11-19 02:12:19,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c1d18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:19, skipping insertion in model container [2024-11-19 02:12:19,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:12:19" (1/1) ... [2024-11-19 02:12:19,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:12:19,888 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_negated.i[4504,4517] [2024-11-19 02:12:19,894 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_negated.i[4564,4577] [2024-11-19 02:12:20,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:20,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:20,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:20,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:20,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:20,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:20,396 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:20,397 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:20,397 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:20,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:20,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:20,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:12:21,068 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:12:21,085 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_negated.i[4504,4517] [2024-11-19 02:12:21,086 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_negated.i[4564,4577] [2024-11-19 02:12:21,119 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:21,119 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:21,120 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:21,120 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:21,121 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:21,125 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:21,126 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:21,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:21,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:21,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-19 02:12:21,244 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:21,244 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:21,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-19 02:12:21,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:12:21,461 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:12:21,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21 WrapperNode [2024-11-19 02:12:21,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:12:21,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:12:21,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:12:21,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:12:21,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,621 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2024-11-19 02:12:21,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:12:21,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:12:21,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:12:21,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:12:21,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,644 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,706 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 2, 4, 6, 34, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 0, 2, 3, 0]. [2024-11-19 02:12:21,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:12:21,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:12:21,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:12:21,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:12:21,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (1/1) ... [2024-11-19 02:12:21,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:12:21,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:12:21,809 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) [2024-11-19 02:12:21,822 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 [2024-11-19 02:12:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:12:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:12:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:12:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:12:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:12:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:12:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:12:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:12:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:12:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:12:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:12:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:12:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 02:12:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:12:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 02:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-19 02:12:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-19 02:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:12:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:12:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 02:12:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:12:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:12:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:12:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:12:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:12:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:12:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:12:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 02:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:12:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 02:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:12:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:12:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:12:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:12:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 02:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 02:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:12:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:12:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2024-11-19 02:12:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2024-11-19 02:12:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:12:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:12:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 02:12:22,154 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:12:22,156 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:12:29,443 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-19 02:12:29,443 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:12:29,458 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:12:29,459 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:12:29,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:29 BoogieIcfgContainer [2024-11-19 02:12:29,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:12:29,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:12:29,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:12:29,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:12:29,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:12:19" (1/3) ... [2024-11-19 02:12:29,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229de71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:12:29, skipping insertion in model container [2024-11-19 02:12:29,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:21" (2/3) ... [2024-11-19 02:12:29,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229de71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:12:29, skipping insertion in model container [2024-11-19 02:12:29,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:29" (3/3) ... [2024-11-19 02:12:29,468 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness_negated.i [2024-11-19 02:12:29,481 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:12:29,482 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:12:29,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:12:29,546 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;@7f7a1b86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:12:29,546 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:12:29,550 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) [2024-11-19 02:12:29,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-19 02:12:29,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:12:29,561 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] [2024-11-19 02:12:29,561 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:12:29,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:12:29,567 INFO L85 PathProgramCache]: Analyzing trace with hash -912149048, now seen corresponding path program 1 times [2024-11-19 02:12:29,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:12:29,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913847849] [2024-11-19 02:12:29,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:12:29,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:13:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:13:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-19 02:13:48,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:13:48,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913847849] [2024-11-19 02:13:48,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913847849] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:13:48,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115553180] [2024-11-19 02:13:48,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:13:48,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:13:48,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:13:48,206 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) [2024-11-19 02:13:48,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process