./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_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_a4b5244a-b03c-4be8-ae97-5dc14743d71c/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/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_a4b5244a-b03c-4be8-ae97-5dc14743d71c/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/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_a4b5244a-b03c-4be8-ae97-5dc14743d71c/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 f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:24:08,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:24:08,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:24:08,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:24:08,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:24:08,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:24:08,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:24:08,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:24:08,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:24:08,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:24:08,666 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:24:08,667 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:24:08,667 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:24:08,667 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:24:08,671 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:24:08,671 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:24:08,672 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:24:08,672 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:24:08,672 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:24:08,673 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:24:08,673 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:24:08,679 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:24:08,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:24:08,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:24:08,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:24:08,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:24:08,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:24:08,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:24:08,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:24:08,682 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:24:08,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:24:08,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:24:08,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:24:08,709 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:24:08,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:24:08,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:08,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:24:08,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:24:08,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:24:08,710 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:24:08,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:24:08,711 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:24:08,715 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:24:08,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:24:08,716 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_a4b5244a-b03c-4be8-ae97-5dc14743d71c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb [2024-11-02 11:24:09,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:24:09,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:24:09,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:24:09,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:24:09,188 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:24:09,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i Unable to find full path for "g++" [2024-11-02 11:24:11,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:24:11,841 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:24:11,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2024-11-02 11:24:11,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/bin/utaipan-verify-DbMuA5NWw2/data/2ea76887e/85dc265c7c714ab68e4a845d1140a572/FLAG028935d79 [2024-11-02 11:24:12,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/bin/utaipan-verify-DbMuA5NWw2/data/2ea76887e/85dc265c7c714ab68e4a845d1140a572 [2024-11-02 11:24:12,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:24:12,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:24:12,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:12,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:24:12,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:24:12,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:12" (1/1) ... [2024-11-02 11:24:12,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a9e5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:12, skipping insertion in model container [2024-11-02 11:24:12,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:12" (1/1) ... [2024-11-02 11:24:12,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:24:13,207 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_a4b5244a-b03c-4be8-ae97-5dc14743d71c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2024-11-02 11:24:13,217 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_a4b5244a-b03c-4be8-ae97-5dc14743d71c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2024-11-02 11:24:14,467 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:14,468 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:14,469 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:14,470 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:14,472 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:14,492 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:14,493 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:14,496 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:14,497 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:15,520 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:15,521 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:15,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:15,716 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:24:15,743 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_a4b5244a-b03c-4be8-ae97-5dc14743d71c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4497,4510] [2024-11-02 11:24:15,744 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_a4b5244a-b03c-4be8-ae97-5dc14743d71c/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i[4557,4570] [2024-11-02 11:24:15,810 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:15,811 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:15,811 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:15,812 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:15,813 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:15,822 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:15,822 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:15,824 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:15,825 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:16,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-02 11:24:16,039 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:16,040 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:24:16,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-02 11:24:16,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:16,404 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:24:16,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16 WrapperNode [2024-11-02 11:24:16,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:16,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:16,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:24:16,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:24:16,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (1/1) ... [2024-11-02 11:24:16,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (1/1) ... [2024-11-02 11:24:16,662 INFO L138 Inliner]: procedures = 679, calls = 2625, calls flagged for inlining = 61, calls inlined = 10, statements flattened = 1000 [2024-11-02 11:24:16,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:16,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:24:16,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:24:16,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:24:16,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (1/1) ... [2024-11-02 11:24:16,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (1/1) ... [2024-11-02 11:24:16,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (1/1) ... [2024-11-02 11:24:16,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (1/1) ... [2024-11-02 11:24:16,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (1/1) ... [2024-11-02 11:24:16,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (1/1) ... [2024-11-02 11:24:16,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (1/1) ... [2024-11-02 11:24:16,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (1/1) ... [2024-11-02 11:24:16,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:24:16,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:24:16,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:24:16,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:24:16,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (1/1) ... [2024-11-02 11:24:16,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:16,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:24:16,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:24:16,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4b5244a-b03c-4be8-ae97-5dc14743d71c/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:24:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-02 11:24:16,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-02 11:24:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-02 11:24:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-02 11:24:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:24:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 11:24:16,889 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 11:24:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-02 11:24:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 11:24:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:24:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:24:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 11:24:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 11:24:16,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 11:24:16,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 11:24:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:24:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:24:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:24:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:24:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:24:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 11:24:16,891 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 11:24:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 11:24:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 11:24:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:24:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:24:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:24:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 11:24:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 11:24:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 11:24:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 11:24:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:24:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-02 11:24:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:24:17,371 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:24:17,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:24:25,197 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-02 11:24:25,197 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:24:26,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:24:26,230 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 11:24:26,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:26 BoogieIcfgContainer [2024-11-02 11:24:26,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:24:26,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:24:26,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:24:26,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:24:26,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:24:12" (1/3) ... [2024-11-02 11:24:26,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f710f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:26, skipping insertion in model container [2024-11-02 11:24:26,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:16" (2/3) ... [2024-11-02 11:24:26,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f710f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:26, skipping insertion in model container [2024-11-02 11:24:26,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:26" (3/3) ... [2024-11-02 11:24:26,243 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_u8_harness.i [2024-11-02 11:24:26,262 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:24:26,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:24:26,339 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:24:26,349 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;@94ce3c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:24:26,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:24:26,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 50 states have (on average 1.2) internal successors, (60), 51 states have internal predecessors, (60), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-02 11:24:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-02 11:24:26,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:26,370 INFO L215 NwaCegarLoop]: trace histogram [9, 5, 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 11:24:26,372 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:26,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:26,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1093861590, now seen corresponding path program 1 times [2024-11-02 11:24:26,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:24:26,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807217403] [2024-11-02 11:24:26,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:26,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms