./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.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_2d7a970d-0fb6-454b-8dad-13711c32a6fe/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/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_2d7a970d-0fb6-454b-8dad-13711c32a6fe/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/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_2d7a970d-0fb6-454b-8dad-13711c32a6fe/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 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:36:50,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:36:50,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:36:50,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:36:50,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:36:50,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:36:50,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:36:50,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:36:50,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:36:50,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:36:50,341 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:36:50,341 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:36:50,342 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:36:50,342 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:36:50,343 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:36:50,343 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:36:50,343 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:36:50,344 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:36:50,344 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:36:50,345 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:36:50,352 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:36:50,352 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:36:50,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:36:50,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:36:50,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:36:50,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:36:50,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:36:50,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:36:50,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:36:50,355 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:36:50,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:36:50,359 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:36:50,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:36:50,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:36:50,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:36:50,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:50,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:36:50,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:36:50,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:36:50,362 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:36:50,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:36:50,363 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:36:50,364 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:36:50,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:36:50,365 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_2d7a970d-0fb6-454b-8dad-13711c32a6fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 [2024-11-02 12:36:50,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:36:50,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:36:50,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:36:50,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:36:50,699 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:36:50,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i Unable to find full path for "g++" [2024-11-02 12:36:52,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:36:53,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:36:53,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2024-11-02 12:36:53,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/bin/utaipan-verify-DbMuA5NWw2/data/4e6dc2e40/d633439ae7c341fcb8cd843394d297bd/FLAG8edb97efe [2024-11-02 12:36:53,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/bin/utaipan-verify-DbMuA5NWw2/data/4e6dc2e40/d633439ae7c341fcb8cd843394d297bd [2024-11-02 12:36:53,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:36:53,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:36:53,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:53,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:36:53,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:36:53,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:53" (1/1) ... [2024-11-02 12:36:53,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4daf0198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:53, skipping insertion in model container [2024-11-02 12:36:53,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:53" (1/1) ... [2024-11-02 12:36:53,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:36:53,754 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_2d7a970d-0fb6-454b-8dad-13711c32a6fe/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4504,4517] [2024-11-02 12:36:53,764 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_2d7a970d-0fb6-454b-8dad-13711c32a6fe/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4564,4577] [2024-11-02 12:36:54,827 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:54,828 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:54,829 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:54,830 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:54,831 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:54,851 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:54,856 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:54,858 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:54,859 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:55,696 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:55,697 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:55,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:55,851 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:36:55,874 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_2d7a970d-0fb6-454b-8dad-13711c32a6fe/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4504,4517] [2024-11-02 12:36:55,875 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_2d7a970d-0fb6-454b-8dad-13711c32a6fe/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4564,4577] [2024-11-02 12:36:55,939 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:55,943 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:55,943 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:55,983 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:55,983 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:56,011 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:56,016 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:56,017 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:56,018 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:56,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-02 12:36:56,210 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:56,211 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:36:56,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-02 12:36:56,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:56,487 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:36:56,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56 WrapperNode [2024-11-02 12:36:56,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:56,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:56,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:36:56,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:36:56,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (1/1) ... [2024-11-02 12:36:56,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (1/1) ... [2024-11-02 12:36:56,705 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2024-11-02 12:36:56,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:56,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:36:56,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:36:56,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:36:56,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (1/1) ... [2024-11-02 12:36:56,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (1/1) ... [2024-11-02 12:36:56,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (1/1) ... [2024-11-02 12:36:56,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (1/1) ... [2024-11-02 12:36:56,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (1/1) ... [2024-11-02 12:36:56,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (1/1) ... [2024-11-02 12:36:56,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (1/1) ... [2024-11-02 12:36:56,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (1/1) ... [2024-11-02 12:36:56,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:36:56,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:36:56,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:36:56,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:36:56,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (1/1) ... [2024-11-02 12:36:56,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:56,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:56,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:36:56,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d7a970d-0fb6-454b-8dad-13711c32a6fe/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:36:56,904 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-02 12:36:56,905 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-02 12:36:56,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:36:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:36:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:36:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:36:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:36:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-02 12:36:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-02 12:36:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:36:56,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:36:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:36:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:36:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-02 12:36:56,909 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-02 12:36:56,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:36:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:36:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:36:56,911 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:36:56,911 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:36:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:36:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:36:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:36:56,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:36:56,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:36:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:36:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:36:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:36:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:36:56,913 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-02 12:36:56,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-02 12:36:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2024-11-02 12:36:56,914 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2024-11-02 12:36:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:36:57,255 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:36:57,258 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:37:04,691 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-02 12:37:04,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:37:05,319 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:37:05,319 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:37:05,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:05 BoogieIcfgContainer [2024-11-02 12:37:05,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:37:05,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:37:05,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:37:05,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:37:05,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:36:53" (1/3) ... [2024-11-02 12:37:05,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7beb3002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:05, skipping insertion in model container [2024-11-02 12:37:05,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:56" (2/3) ... [2024-11-02 12:37:05,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7beb3002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:05, skipping insertion in model container [2024-11-02 12:37:05,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:05" (3/3) ... [2024-11-02 12:37:05,328 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness.i [2024-11-02 12:37:05,346 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:37:05,346 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:37:05,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:37:05,428 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;@3c868d95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:37:05,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:37:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 57 states have internal predecessors, (68), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-02 12:37:05,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-02 12:37:05,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:05,449 INFO L215 NwaCegarLoop]: trace histogram [5, 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] [2024-11-02 12:37:05,449 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:37:05,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:05,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1247321829, now seen corresponding path program 1 times [2024-11-02 12:37:05,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:05,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573336883] [2024-11-02 12:37:05,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:05,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms