./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_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_lexical_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 c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:11:55,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:11:55,581 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:11:55,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:11:55,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:11:55,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:11:55,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:11:55,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:11:55,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:11:55,622 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:11:55,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:11:55,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:11:55,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:11:55,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:11:55,624 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:11:55,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:11:55,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:11:55,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:11:55,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:11:55,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:11:55,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:11:55,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:11:55,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:11:55,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:11:55,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:11:55,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:11:55,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:11:55,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:11:55,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:11:55,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:11:55,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:11:55,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:11:55,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:11:55,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:11:55,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:11:55,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:11:55,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:11:55,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:11:55,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:11:55,634 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da [2024-11-19 02:11:55,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:11:55,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:11:55,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:11:55,911 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:11:55,912 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:11:55,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-19 02:11:57,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:11:57,847 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:11:57,848 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-19 02:11:57,898 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b285dfea6/f3cdca0f437348648be3541350e0aef5/FLAG3bffbe4b6 [2024-11-19 02:11:57,988 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b285dfea6/f3cdca0f437348648be3541350e0aef5 [2024-11-19 02:11:57,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:11:57,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:11:57,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:11:57,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:11:58,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:11:58,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:11:57" (1/1) ... [2024-11-19 02:11:58,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584f8486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:11:58, skipping insertion in model container [2024-11-19 02:11:58,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:11:57" (1/1) ... [2024-11-19 02:11:58,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:11:58,429 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_lexical_harness_negated.i[4505,4518] [2024-11-19 02:11:58,440 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_lexical_harness_negated.i[4565,4578] [2024-11-19 02:11:59,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,069 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:11:59,747 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:11:59,762 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_lexical_harness_negated.i[4505,4518] [2024-11-19 02:11:59,765 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_lexical_harness_negated.i[4565,4578] [2024-11-19 02:11:59,884 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,885 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,893 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-19 02:11:59,998 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:11:59,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:12:00,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-19 02:12:00,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:12:00,283 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:12:00,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00 WrapperNode [2024-11-19 02:12:00,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:12:00,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:12:00,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:12:00,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:12:00,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,494 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2024-11-19 02:12:00,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:12:00,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:12:00,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:12:00,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:12:00,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,522 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,612 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 238, 6, 4, 46, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 2, 0, 3, 0]. [2024-11-19 02:12:00,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:12:00,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:12:00,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:12:00,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:12:00,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (1/1) ... [2024-11-19 02:12:00,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:12:00,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:12:00,765 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 02:12:00,771 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 02:12:00,812 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:12:00,813 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:12:00,814 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2024-11-19 02:12:00,814 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2024-11-19 02:12:00,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:12:00,814 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:12:00,815 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:12:00,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:12:00,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:12:00,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:12:00,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:12:00,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:12:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:12:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:12:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:12:00,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:12:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:12:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:12:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:12:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:12:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:12:00,817 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-19 02:12:00,817 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-19 02:12:00,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:12:00,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:12:00,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:12:00,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:12:00,818 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:12:00,818 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:12:00,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:12:00,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:12:00,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:12:00,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:12:00,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:12:00,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:12:00,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:12:00,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:12:00,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:12:00,820 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:12:00,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:12:00,820 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:12:00,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:12:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:12:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:12:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:12:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:12:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:12:00,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:12:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:12:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:12:00,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:12:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:12:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:12:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:12:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:12:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:12:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:12:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:12:00,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:12:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:12:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:12:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:12:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:12:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:12:00,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:12:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:12:00,824 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:12:00,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:12:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:12:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:12:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:12:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:12:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:12:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:12:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:12:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:12:00,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-19 02:12:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:12:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:12:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:12:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:12:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:12:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:12:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:12:01,151 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:12:01,153 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:12:09,779 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-19 02:12:09,780 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:12:09,796 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:12:09,796 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:12:09,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:09 BoogieIcfgContainer [2024-11-19 02:12:09,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:12:09,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:12:09,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:12:09,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:12:09,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:11:57" (1/3) ... [2024-11-19 02:12:09,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffae864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:12:09, skipping insertion in model container [2024-11-19 02:12:09,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:12:00" (2/3) ... [2024-11-19 02:12:09,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffae864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:12:09, skipping insertion in model container [2024-11-19 02:12:09,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:12:09" (3/3) ... [2024-11-19 02:12:09,805 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-19 02:12:09,841 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:12:09,842 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:12:09,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:12:09,910 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;@6c8b03de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:12:09,910 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:12:09,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-19 02:12:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 02:12:09,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:12:09,926 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:12:09,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:12:09,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:12:09,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1411432407, now seen corresponding path program 1 times [2024-11-19 02:12:09,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:12:09,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675007107] [2024-11-19 02:12:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:12:09,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:13:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:13:25,511 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-19 02:13:25,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:13:25,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675007107] [2024-11-19 02:13:25,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675007107] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:13:25,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126738912] [2024-11-19 02:13:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:13:25,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:13:25,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:13:25,516 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 02:13:25,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process