./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU --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 ac2d6f81182a30a3913994ab9f22d7c2f1f468956657d41080d094a676bb2180 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:15:24,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:24,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:15:24,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:24,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:24,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:24,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:24,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:24,642 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:15:24,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:15:24,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:15:24,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:15:24,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:24,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:24,647 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:24,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:24,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:15:24,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:15:24,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:24,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:15:24,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:15:24,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:15:24,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:24,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:24,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:24,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:24,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:24,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:15:24,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:15:24,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:24,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:24,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:15:24,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:15:24,661 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:15:24,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:15:24,662 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:15:24,662 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:15:24,663 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:15:24,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:15:24,663 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac2d6f81182a30a3913994ab9f22d7c2f1f468956657d41080d094a676bb2180 [2024-10-31 22:15:24,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:24,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:24,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:24,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:24,963 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:24,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:15:27,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:27,553 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:27,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness_negated.i [2024-10-31 22:15:27,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/data/8e9a70394/212b716186574f2a872beb3806958bdf/FLAG9a64488e5 [2024-10-31 22:15:27,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/data/8e9a70394/212b716186574f2a872beb3806958bdf [2024-10-31 22:15:27,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:27,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:27,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:27,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:27,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:27,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:27" (1/1) ... [2024-10-31 22:15:27,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fc1039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:27, skipping insertion in model container [2024-10-31 22:15:27,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:27" (1/1) ... [2024-10-31 22:15:27,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:28,183 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness_negated.i[4499,4512] [2024-10-31 22:15:28,194 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness_negated.i[4559,4572] [2024-10-31 22:15:29,557 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:29,559 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:29,560 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:29,561 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:29,563 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:29,605 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:29,607 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:29,610 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:29,611 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:30,599 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:30,600 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:30,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:30,720 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:30,744 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness_negated.i[4499,4512] [2024-10-31 22:15:30,745 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/sv-benchmarks/c/aws-c-common/aws_string_eq_ignore_case_harness_negated.i[4559,4572] [2024-10-31 22:15:30,810 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:30,811 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:30,811 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:30,812 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:30,813 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:30,830 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:30,831 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:30,832 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:30,834 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:31,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8556] [2024-10-31 22:15:31,034 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:31,035 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:15:31,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:31,338 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:31,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31 WrapperNode [2024-10-31 22:15:31,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:31,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:31,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:31,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:31,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,544 INFO L138 Inliner]: procedures = 670, calls = 2270, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 373 [2024-10-31 22:15:31,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:31,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:31,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:31,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:31,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,567 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,613 INFO L175 MemorySlicer]: Split 278 memory accesses to 4 slices as follows [2, 12, 5, 259]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 5, 0]. The 260 writes are split as follows [0, 3, 0, 257]. [2024-10-31 22:15:31,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:31,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:31,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:31,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:31,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (1/1) ... [2024-10-31 22:15:31,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:31,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:31,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:31,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecdca246-f4be-4e4f-bdcc-1c39b06f31d4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-10-31 22:15:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-10-31 22:15:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_ignore_case [2024-10-31 22:15:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_ignore_case [2024-10-31 22:15:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:15:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-10-31 22:15:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:15:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:15:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:15:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:15:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:15:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:15:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:15:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:15:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:15:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:15:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:15:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:15:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:15:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:15:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:15:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:15:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:15:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:15:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:15:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:15:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:15:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:15:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:15:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:15:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:15:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:15:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:15:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-10-31 22:15:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-10-31 22:15:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:15:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:15:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:15:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:15:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:15:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:15:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:15:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:15:32,185 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:32,195 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:39,984 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-10-31 22:15:39,985 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:40,005 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:40,005 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:15:40,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:40 BoogieIcfgContainer [2024-10-31 22:15:40,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:40,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:15:40,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:15:40,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:15:40,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:15:27" (1/3) ... [2024-10-31 22:15:40,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc69afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:40, skipping insertion in model container [2024-10-31 22:15:40,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:31" (2/3) ... [2024-10-31 22:15:40,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc69afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:40, skipping insertion in model container [2024-10-31 22:15:40,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:40" (3/3) ... [2024-10-31 22:15:40,016 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_ignore_case_harness_negated.i [2024-10-31 22:15:40,039 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:15:40,040 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:15:40,134 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:40,141 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;@3688312c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:40,141 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:15:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 64 states have (on average 1.265625) internal successors, (81), 65 states have internal predecessors, (81), 23 states have call successors, (23), 9 states have call predecessors, (23), 9 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:15:40,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 22:15:40,162 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:40,163 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-10-31 22:15:40,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:15:40,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:40,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1426397344, now seen corresponding path program 1 times [2024-10-31 22:15:40,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:40,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074605186] [2024-10-31 22:15:40,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:40,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms