./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_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_5ff19125-d200-4e29-b7c8-7e843f66b5e7/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/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_5ff19125-d200-4e29-b7c8-7e843f66b5e7/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/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_5ff19125-d200-4e29-b7c8-7e843f66b5e7/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 c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:23:27,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:23:27,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 11:23:27,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:23:27,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:23:27,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:23:27,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:23:27,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:23:27,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:23:27,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:23:27,163 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:23:27,163 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:23:27,164 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:23:27,164 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:23:27,165 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:23:27,165 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:23:27,165 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:23:27,168 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:23:27,169 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:23:27,169 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:23:27,170 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:23:27,170 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:23:27,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:23:27,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:23:27,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:23:27,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:23:27,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:23:27,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:23:27,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:23:27,174 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:23:27,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:23:27,175 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:23:27,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:23:27,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:23:27,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:23:27,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:27,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:23:27,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:23:27,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:23:27,178 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:23:27,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:23:27,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:23:27,179 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:23:27,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:23:27,180 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_5ff19125-d200-4e29-b7c8-7e843f66b5e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da [2024-11-02 11:23:27,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:23:27,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:23:27,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:23:27,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:23:27,553 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:23:27,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i Unable to find full path for "g++" [2024-11-02 11:23:29,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:23:30,310 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:23:30,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-02 11:23:30,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/bin/utaipan-verify-DbMuA5NWw2/data/1877917de/0317f8b629724beaafaad6f23fcd5f50/FLAGcc35277d6 [2024-11-02 11:23:30,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/bin/utaipan-verify-DbMuA5NWw2/data/1877917de/0317f8b629724beaafaad6f23fcd5f50 [2024-11-02 11:23:30,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:23:30,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:23:30,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:30,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:23:30,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:23:30,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:30" (1/1) ... [2024-11-02 11:23:30,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426f0d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:30, skipping insertion in model container [2024-11-02 11:23:30,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:30" (1/1) ... [2024-11-02 11:23:31,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:23:31,361 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_5ff19125-d200-4e29-b7c8-7e843f66b5e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4505,4518] [2024-11-02 11:23:31,372 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_5ff19125-d200-4e29-b7c8-7e843f66b5e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4565,4578] [2024-11-02 11:23:32,843 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:32,848 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:32,852 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:32,853 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:32,859 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:32,892 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:32,898 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:32,901 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:32,902 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:33,953 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:33,954 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:34,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:23:34,109 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_5ff19125-d200-4e29-b7c8-7e843f66b5e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4505,4518] [2024-11-02 11:23:34,109 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_5ff19125-d200-4e29-b7c8-7e843f66b5e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4565,4578] [2024-11-02 11:23:34,166 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,167 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,167 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,168 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,169 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,183 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,187 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,188 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,189 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-02 11:23:34,359 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,359 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 11:23:34,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-02 11:23:34,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:34,679 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:23:34,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34 WrapperNode [2024-11-02 11:23:34,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:34,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:34,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:23:34,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:23:34,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (1/1) ... [2024-11-02 11:23:34,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (1/1) ... [2024-11-02 11:23:34,901 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2024-11-02 11:23:34,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:34,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:23:34,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:23:34,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:23:34,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (1/1) ... [2024-11-02 11:23:34,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (1/1) ... [2024-11-02 11:23:34,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (1/1) ... [2024-11-02 11:23:34,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (1/1) ... [2024-11-02 11:23:34,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (1/1) ... [2024-11-02 11:23:34,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (1/1) ... [2024-11-02 11:23:35,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (1/1) ... [2024-11-02 11:23:35,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (1/1) ... [2024-11-02 11:23:35,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:23:35,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:23:35,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:23:35,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:23:35,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (1/1) ... [2024-11-02 11:23:35,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:23:35,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:23:35,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ff19125-d200-4e29-b7c8-7e843f66b5e7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:23:35,110 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-02 11:23:35,111 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-02 11:23:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2024-11-02 11:23:35,113 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2024-11-02 11:23:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 11:23:35,113 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 11:23:35,113 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 11:23:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 11:23:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 11:23:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2024-11-02 11:23:35,114 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2024-11-02 11:23:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 11:23:35,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 11:23:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 11:23:35,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:23:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-02 11:23:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-02 11:23:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 11:23:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:23:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:23:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 11:23:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 11:23:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 11:23:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 11:23:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 11:23:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:23:35,117 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:23:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 11:23:35,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 11:23:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 11:23:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 11:23:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 11:23:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 11:23:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-02 11:23:35,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2024-11-02 11:23:35,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:23:35,517 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:23:35,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:23:42,416 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2024-11-02 11:23:42,416 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:23:43,073 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:23:43,074 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 11:23:43,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:43 BoogieIcfgContainer [2024-11-02 11:23:43,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:23:43,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:23:43,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:23:43,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:23:43,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:23:30" (1/3) ... [2024-11-02 11:23:43,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7b0fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:43, skipping insertion in model container [2024-11-02 11:23:43,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:34" (2/3) ... [2024-11-02 11:23:43,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7b0fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:43, skipping insertion in model container [2024-11-02 11:23:43,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:43" (3/3) ... [2024-11-02 11:23:43,085 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness_negated.i [2024-11-02 11:23:43,104 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:23:43,104 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:23:43,179 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:23:43,185 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;@3b57eab3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:23:43,185 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:23:43,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 61 states have (on average 1.180327868852459) internal successors, (72), 62 states have internal predecessors, (72), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-02 11:23:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-02 11:23:43,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:23:43,203 INFO L215 NwaCegarLoop]: trace histogram [9, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:23:43,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:23:43,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:23:43,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1135466915, now seen corresponding path program 1 times [2024-11-02 11:23:43,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:23:43,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235583364] [2024-11-02 11:23:43,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:23:43,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms