./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:26:24,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:26:24,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:26:24,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:26:24,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:26:24,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:26:24,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:26:24,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:26:24,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:26:24,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:26:24,866 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:26:24,867 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:26:24,867 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:26:24,868 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:26:24,868 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:26:24,868 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:26:24,869 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:26:24,869 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:26:24,869 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:26:24,870 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:26:24,870 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:26:24,871 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:26:24,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:26:24,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:26:24,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:26:24,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:26:24,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:26:24,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:26:24,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:26:24,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:26:24,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:26:24,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:26:24,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:26:24,875 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:26:24,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:26:24,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:24,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:26:24,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:26:24,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:26:24,877 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:26:24,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:26:24,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:26:24,878 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:26:24,879 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:26:24,879 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 [2024-11-02 12:26:25,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:26:25,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:26:25,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:26:25,219 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:26:25,220 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:26:25,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i Unable to find full path for "g++" [2024-11-02 12:26:27,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:26:28,172 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:26:28,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2024-11-02 12:26:28,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/data/ca025e7fb/c499a94e08fc49668abda69033ae29cb/FLAGc42f9f7f5 [2024-11-02 12:26:28,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/data/ca025e7fb/c499a94e08fc49668abda69033ae29cb [2024-11-02 12:26:28,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:26:28,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:26:28,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:28,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:26:28,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:26:28,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:28" (1/1) ... [2024-11-02 12:26:28,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cff5d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:28, skipping insertion in model container [2024-11-02 12:26:28,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:26:28" (1/1) ... [2024-11-02 12:26:28,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:26:28,803 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_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i[4492,4505] [2024-11-02 12:26:28,812 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_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i[4552,4565] [2024-11-02 12:26:29,938 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:29,939 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:29,940 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:29,941 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:29,942 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:29,977 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:29,978 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:29,981 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:29,981 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,191 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,195 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:31,398 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:31,422 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_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i[4492,4505] [2024-11-02 12:26:31,423 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_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i[4552,4565] [2024-11-02 12:26:31,502 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,502 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,503 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,504 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,505 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,526 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,526 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,528 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,530 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-02 12:26:31,803 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,804 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:31,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-02 12:26:31,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:32,131 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:32,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32 WrapperNode [2024-11-02 12:26:32,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:32,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:32,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:32,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:32,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (1/1) ... [2024-11-02 12:26:32,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (1/1) ... [2024-11-02 12:26:32,338 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2024-11-02 12:26:32,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:32,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:32,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:32,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:32,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (1/1) ... [2024-11-02 12:26:32,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (1/1) ... [2024-11-02 12:26:32,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (1/1) ... [2024-11-02 12:26:32,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (1/1) ... [2024-11-02 12:26:32,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (1/1) ... [2024-11-02 12:26:32,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (1/1) ... [2024-11-02 12:26:32,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (1/1) ... [2024-11-02 12:26:32,436 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (1/1) ... [2024-11-02 12:26:32,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:32,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:32,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:32,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:32,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (1/1) ... [2024-11-02 12:26:32,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:32,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:32,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:32,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa62cee7-f1b1-4c4a-9ecf-add06147ba15/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-02 12:26:32,529 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-02 12:26:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:26:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:26:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:26:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:26:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:26:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-02 12:26:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-02 12:26:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:26:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:26:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:26:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-02 12:26:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-02 12:26:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:26:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:26:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:26:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:26:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:26:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:26:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:26:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:26:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-02 12:26:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-02 12:26:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:26:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 12:26:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 12:26:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:26:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-02 12:26:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-02 12:26:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:32,853 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:32,856 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:39,890 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:39,890 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:40,564 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:40,565 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:26:40,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:40 BoogieIcfgContainer [2024-11-02 12:26:40,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:40,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:40,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:40,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:40,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:26:28" (1/3) ... [2024-11-02 12:26:40,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27bcf334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:40, skipping insertion in model container [2024-11-02 12:26:40,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:32" (2/3) ... [2024-11-02 12:26:40,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27bcf334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:40, skipping insertion in model container [2024-11-02 12:26:40,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:40" (3/3) ... [2024-11-02 12:26:40,577 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness_negated.i [2024-11-02 12:26:40,595 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:40,595 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:40,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:40,680 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=FINITE_AUTOMATA, 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;@5fa380d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:40,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 55 states have (on average 1.2) internal successors, (66), 56 states have internal predecessors, (66), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-02 12:26:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-02 12:26:40,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:40,704 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:40,705 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:40,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:40,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1573435074, now seen corresponding path program 1 times [2024-11-02 12:26:40,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:40,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825170522] [2024-11-02 12:26:40,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:40,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms