./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_string_eq_byte_cursor_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:26:02,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:26:02,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:26:02,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:26:02,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:26:02,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:26:02,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:26:02,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:26:02,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:26:02,646 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:26:02,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:26:02,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:26:02,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:26:02,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:26:02,648 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:26:02,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:26:02,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:26:02,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:26:02,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:26:02,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:26:02,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:26:02,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:26:02,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:26:02,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:26:02,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:26:02,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:26:02,651 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:26:02,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:26:02,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:26:02,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:26:02,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:26:02,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:26:02,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:26:02,653 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:26:02,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:26:02,653 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:26:02,653 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:26:02,653 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:26:02,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:26:02,654 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 [2024-11-19 02:26:02,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:26:02,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:26:02,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:26:02,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:26:02,885 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:26:02,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-11-19 02:26:04,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:26:04,518 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:26:04,519 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-11-19 02:26:04,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d44041f01/98ca124f3f7e431388597df43b0e374b/FLAG578e49429 [2024-11-19 02:26:04,675 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d44041f01/98ca124f3f7e431388597df43b0e374b [2024-11-19 02:26:04,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:26:04,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:26:04,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:26:04,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:26:04,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:26:04,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:04" (1/1) ... [2024-11-19 02:26:04,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74667ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:04, skipping insertion in model container [2024-11-19 02:26:04,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:04" (1/1) ... [2024-11-19 02:26:04,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:26:04,997 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4499,4512] [2024-11-19 02:26:05,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4559,4572] [2024-11-19 02:26:05,555 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:05,556 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:05,556 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:05,557 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:05,558 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:05,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:05,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:05,573 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:05,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:26:06,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:26:06,202 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4499,4512] [2024-11-19 02:26:06,203 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i[4559,4572] [2024-11-19 02:26:06,236 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,237 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,237 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,242 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,243 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-19 02:26:06,325 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,326 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:26:06,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-19 02:26:06,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:26:06,561 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:26:06,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06 WrapperNode [2024-11-19 02:26:06,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:26:06,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:26:06,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:26:06,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:26:06,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,735 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-11-19 02:26:06,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:26:06,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:26:06,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:26:06,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:26:06,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,814 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 5, 12, 257, 238, 13, 16]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 5, 0, 0, 6, 2, 16]. The 493 writes are split as follows [0, 0, 3, 257, 232, 1, 0]. [2024-11-19 02:26:06,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:26:06,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:26:06,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:26:06,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:26:06,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (1/1) ... [2024-11-19 02:26:06,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:26:06,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:26:06,921 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 02:26:06,929 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 02:26:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-19 02:26:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-19 02:26:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-19 02:26:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-19 02:26:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:26:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-19 02:26:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:26:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:26:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:26:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:26:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:26:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:26:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:26:06,976 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:26:06,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:26:06,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:26:06,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:26:06,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:26:06,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:26:06,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:26:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:26:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:26:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:26:06,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:26:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:26:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:26:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:26:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:26:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:26:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:26:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:26:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:26:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-19 02:26:06,978 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-19 02:26:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:26:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:26:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:26:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:26:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:26:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:26:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:26:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:26:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:26:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:26:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:26:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:26:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:26:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:26:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:26:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:26:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:26:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:26:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:26:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:26:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:26:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:26:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:26:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:26:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:26:07,234 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:26:07,236 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:26:14,281 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-19 02:26:14,281 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:26:14,297 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:26:14,298 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:26:14,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:14 BoogieIcfgContainer [2024-11-19 02:26:14,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:26:14,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:26:14,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:26:14,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:26:14,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:26:04" (1/3) ... [2024-11-19 02:26:14,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560a32cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:14, skipping insertion in model container [2024-11-19 02:26:14,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:06" (2/3) ... [2024-11-19 02:26:14,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560a32cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:14, skipping insertion in model container [2024-11-19 02:26:14,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:14" (3/3) ... [2024-11-19 02:26:14,306 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2024-11-19 02:26:14,320 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:26:14,320 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:26:14,378 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:26:14,384 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;@2b636cc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:26:14,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:26:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-19 02:26:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-19 02:26:14,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:26:14,398 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:26:14,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:26:14,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:26:14,406 INFO L85 PathProgramCache]: Analyzing trace with hash 185201470, now seen corresponding path program 1 times [2024-11-19 02:26:14,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:26:14,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656067522] [2024-11-19 02:26:14,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:26:14,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:27:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:27:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 02:27:29,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:27:29,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656067522] [2024-11-19 02:27:29,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656067522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:27:29,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929485123] [2024-11-19 02:27:29,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:27:29,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:27:29,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:27:29,441 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 02:27:29,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process