./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje --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 f32a256e85dfae47c8548ef83bd17812a642f36aa6564d2121f4ad41349db94a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:39:16,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:39:17,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 04:39:17,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:39:17,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:39:17,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:39:17,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:39:17,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:39:17,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:39:17,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:39:17,113 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:39:17,113 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:39:17,114 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:39:17,114 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:39:17,114 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:39:17,115 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:39:17,115 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:39:17,116 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:39:17,116 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:39:17,117 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:39:17,117 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:39:17,121 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:39:17,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:39:17,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:39:17,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:39:17,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:39:17,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:39:17,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:39:17,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:39:17,124 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:39:17,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:39:17,128 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:39:17,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:39:17,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:39:17,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:39:17,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:39:17,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:39:17,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:39:17,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:39:17,132 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:39:17,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:39:17,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:39:17,133 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:39:17,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:39:17,134 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_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f32a256e85dfae47c8548ef83bd17812a642f36aa6564d2121f4ad41349db94a [2024-11-09 04:39:17,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:39:17,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:39:17,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:39:17,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:39:17,420 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:39:17,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i Unable to find full path for "g++" [2024-11-09 04:39:19,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:39:19,971 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:39:19,971 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i [2024-11-09 04:39:20,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/data/bdabe8112/a8ce6cc87e8e4027baf32ae2b5bc8b50/FLAG910bcd026 [2024-11-09 04:39:20,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/data/bdabe8112/a8ce6cc87e8e4027baf32ae2b5bc8b50 [2024-11-09 04:39:20,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:39:20,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:39:20,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:39:20,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:39:20,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:39:20,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:39:20" (1/1) ... [2024-11-09 04:39:20,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f29bc43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:20, skipping insertion in model container [2024-11-09 04:39:20,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:39:20" (1/1) ... [2024-11-09 04:39:20,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:39:20,577 WARN L250 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_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i[4505,4518] [2024-11-09 04:39:20,586 WARN L250 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_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i[4565,4578] [2024-11-09 04:39:21,712 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:21,713 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:21,714 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:21,714 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:21,719 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:21,748 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:21,748 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:21,751 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:21,751 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,402 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,402 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,478 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,478 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:39:22,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:39:22,665 WARN L250 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_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i[4505,4518] [2024-11-09 04:39:22,666 WARN L250 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_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i[4565,4578] [2024-11-09 04:39:22,707 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,708 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,708 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,709 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,710 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,716 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,717 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,718 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,718 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,874 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,875 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8297] [2024-11-09 04:39:22,944 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,944 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 04:39:22,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8783-8794] [2024-11-09 04:39:23,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:39:23,312 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:39:23,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23 WrapperNode [2024-11-09 04:39:23,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:39:23,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:39:23,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:39:23,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:39:23,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (1/1) ... [2024-11-09 04:39:23,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (1/1) ... [2024-11-09 04:39:23,494 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 971 [2024-11-09 04:39:23,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:39:23,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:39:23,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:39:23,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:39:23,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (1/1) ... [2024-11-09 04:39:23,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (1/1) ... [2024-11-09 04:39:23,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (1/1) ... [2024-11-09 04:39:23,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (1/1) ... [2024-11-09 04:39:23,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (1/1) ... [2024-11-09 04:39:23,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (1/1) ... [2024-11-09 04:39:23,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (1/1) ... [2024-11-09 04:39:23,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (1/1) ... [2024-11-09 04:39:23,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:39:23,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:39:23,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:39:23,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:39:23,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (1/1) ... [2024-11-09 04:39:23,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:39:23,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:39:23,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:39:23,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:39:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 04:39:23,663 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 04:39:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 04:39:23,663 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 04:39:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:39:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 04:39:23,664 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 04:39:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 04:39:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:39:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 04:39:23,664 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 04:39:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 04:39:23,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 04:39:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:39:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:39:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 04:39:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:39:23,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:39:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 04:39:23,666 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 04:39:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 04:39:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:39:23,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:39:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:39:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-09 04:39:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-09 04:39:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 04:39:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 04:39:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 04:39:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 04:39:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-09 04:39:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-09 04:39:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-09 04:39:23,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-09 04:39:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 04:39:23,668 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 04:39:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:39:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:39:24,056 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:39:24,058 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:39:31,344 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-09 04:39:31,344 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:39:32,022 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:39:32,022 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:39:32,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:39:32 BoogieIcfgContainer [2024-11-09 04:39:32,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:39:32,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:39:32,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:39:32,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:39:32,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:39:20" (1/3) ... [2024-11-09 04:39:32,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216dcece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:39:32, skipping insertion in model container [2024-11-09 04:39:32,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:39:23" (2/3) ... [2024-11-09 04:39:32,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216dcece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:39:32, skipping insertion in model container [2024-11-09 04:39:32,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:39:32" (3/3) ... [2024-11-09 04:39:32,030 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness.i [2024-11-09 04:39:32,048 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:39:32,048 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:39:32,133 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:39:32,141 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@15bc9e09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:39:32,141 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:39:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 61 states have (on average 1.180327868852459) internal successors, (72), 62 states have internal predecessors, (72), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 04:39:32,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 04:39:32,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:39:32,156 INFO L215 NwaCegarLoop]: trace histogram [8, 3, 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] [2024-11-09 04:39:32,156 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:39:32,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:39:32,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1846456527, now seen corresponding path program 1 times [2024-11-09 04:39:32,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:39:32,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020043585] [2024-11-09 04:39:32,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:39:32,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:41:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:42:07,489 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-09 04:42:07,489 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:42:07,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020043585] [2024-11-09 04:42:07,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020043585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:42:07,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383770805] [2024-11-09 04:42:07,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:07,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:42:07,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:42:07,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:42:07,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4055d3a-8ea5-4ea5-91ae-48afa9f71654/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process