./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_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_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/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_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/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_5f49d0a7-953a-4612-8570-ee2eb11c76f1/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 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:16:14,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:16:14,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 07:16:14,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:16:14,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:16:14,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:16:14,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:16:14,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:16:14,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:16:14,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:16:14,491 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:16:14,492 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:16:14,493 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:16:14,493 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:16:14,496 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:16:14,497 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:16:14,497 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:16:14,498 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:16:14,498 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:16:14,499 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:16:14,499 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:16:14,504 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:16:14,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:16:14,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:16:14,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:16:14,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:16:14,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:16:14,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:16:14,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:16:14,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:16:14,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:16:14,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:16:14,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:16:14,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:16:14,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:16:14,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:16:14,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:16:14,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:16:14,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:16:14,531 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:16:14,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:16:14,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:16:14,533 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:16:14,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:16:14,534 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_5f49d0a7-953a-4612-8570-ee2eb11c76f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2024-11-09 07:16:14,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:16:14,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:16:14,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:16:14,924 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:16:14,925 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:16:14,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i Unable to find full path for "g++" [2024-11-09 07:16:17,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:16:17,593 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:16:17,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2024-11-09 07:16:17,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/data/26b2c1006/60d5227f99b84e7491f3f2fd182c1056/FLAG03fd612d8 [2024-11-09 07:16:17,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/data/26b2c1006/60d5227f99b84e7491f3f2fd182c1056 [2024-11-09 07:16:17,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:16:17,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:16:17,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:16:17,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:16:17,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:16:17,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:16:17" (1/1) ... [2024-11-09 07:16:17,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4775ad2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:17, skipping insertion in model container [2024-11-09 07:16:17,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:16:17" (1/1) ... [2024-11-09 07:16:17,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:16:18,206 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_5f49d0a7-953a-4612-8570-ee2eb11c76f1/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2024-11-09 07:16:18,215 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_5f49d0a7-953a-4612-8570-ee2eb11c76f1/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2024-11-09 07:16:19,542 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:19,546 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:19,547 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:19,549 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:19,550 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:19,595 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:19,596 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:19,601 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:19,601 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:20,602 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:20,603 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:20,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:16:20,807 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:16:20,824 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_5f49d0a7-953a-4612-8570-ee2eb11c76f1/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2024-11-09 07:16:20,827 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_5f49d0a7-953a-4612-8570-ee2eb11c76f1/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2024-11-09 07:16:20,891 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:20,892 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:20,892 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:20,893 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:20,894 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:20,901 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:20,902 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:20,903 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:20,904 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:21,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-09 07:16:21,051 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:21,051 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 07:16:21,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-09 07:16:21,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:16:21,520 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:16:21,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21 WrapperNode [2024-11-09 07:16:21,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:16:21,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:16:21,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:16:21,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:16:21,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (1/1) ... [2024-11-09 07:16:21,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (1/1) ... [2024-11-09 07:16:21,783 INFO L138 Inliner]: procedures = 680, calls = 2722, calls flagged for inlining = 59, calls inlined = 8, statements flattened = 1085 [2024-11-09 07:16:21,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:16:21,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:16:21,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:16:21,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:16:21,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (1/1) ... [2024-11-09 07:16:21,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (1/1) ... [2024-11-09 07:16:21,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (1/1) ... [2024-11-09 07:16:21,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (1/1) ... [2024-11-09 07:16:21,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (1/1) ... [2024-11-09 07:16:21,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (1/1) ... [2024-11-09 07:16:21,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (1/1) ... [2024-11-09 07:16:21,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (1/1) ... [2024-11-09 07:16:21,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:16:21,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:16:21,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:16:21,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:16:21,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (1/1) ... [2024-11-09 07:16:21,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:16:21,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:16:21,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:16:21,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:16:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 07:16:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 07:16:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 07:16:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 07:16:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:16:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 07:16:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 07:16:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 07:16:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 07:16:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 07:16:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:16:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 07:16:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 07:16:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 07:16:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 07:16:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 07:16:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 07:16:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 07:16:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:16:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 07:16:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 07:16:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 07:16:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-09 07:16:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-09 07:16:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:16:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:16:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 07:16:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 07:16:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 07:16:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 07:16:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 07:16:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 07:16:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:16:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:16:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:16:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 07:16:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 07:16:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 07:16:22,042 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 07:16:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-09 07:16:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-09 07:16:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:16:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-09 07:16:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-09 07:16:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-09 07:16:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:16:22,414 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:16:22,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:16:31,231 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-11-09 07:16:31,231 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:16:32,281 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:16:32,283 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 07:16:32,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:16:32 BoogieIcfgContainer [2024-11-09 07:16:32,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:16:32,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:16:32,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:16:32,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:16:32,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:16:17" (1/3) ... [2024-11-09 07:16:32,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f6f423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:16:32, skipping insertion in model container [2024-11-09 07:16:32,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:21" (2/3) ... [2024-11-09 07:16:32,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f6f423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:16:32, skipping insertion in model container [2024-11-09 07:16:32,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:16:32" (3/3) ... [2024-11-09 07:16:32,296 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_cat_harness.i [2024-11-09 07:16:32,380 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:16:32,381 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:16:32,503 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:16:32,514 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;@4c05adb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:16:32,515 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:16:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 81 states have (on average 1.1851851851851851) internal successors, (96), 82 states have internal predecessors, (96), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-09 07:16:32,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 07:16:32,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:16:32,544 INFO L215 NwaCegarLoop]: trace histogram [12, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:16:32,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:16:32,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:16:32,555 INFO L85 PathProgramCache]: Analyzing trace with hash -2591748, now seen corresponding path program 1 times [2024-11-09 07:16:32,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:16:32,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047280557] [2024-11-09 07:16:32,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:16:32,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:18:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:18:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-09 07:18:40,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:18:40,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047280557] [2024-11-09 07:18:40,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047280557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:18:40,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:18:40,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 07:18:40,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846463867] [2024-11-09 07:18:40,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:18:40,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 07:18:40,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:18:40,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 07:18:40,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:18:40,260 INFO L87 Difference]: Start difference. First operand has 169 states, 81 states have (on average 1.1851851851851851) internal successors, (96), 82 states have internal predecessors, (96), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 4 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-09 07:18:42,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:18:45,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:18:47,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:18:48,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:18:48,661 INFO L93 Difference]: Finished difference Result 319 states and 495 transitions. [2024-11-09 07:18:48,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 07:18:48,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 4 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 154 [2024-11-09 07:18:48,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:18:48,677 INFO L225 Difference]: With dead ends: 319 [2024-11-09 07:18:48,678 INFO L226 Difference]: Without dead ends: 210 [2024-11-09 07:18:48,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:18:48,687 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 65 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 23 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-09 07:18:48,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 601 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 83 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2024-11-09 07:18:48,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-09 07:18:48,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 169. [2024-11-09 07:18:48,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 82 states have (on average 1.170731707317073) internal successors, (96), 83 states have internal predecessors, (96), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-09 07:18:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 239 transitions. [2024-11-09 07:18:48,805 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 239 transitions. Word has length 154 [2024-11-09 07:18:48,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:18:48,806 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 239 transitions. [2024-11-09 07:18:48,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 4 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-09 07:18:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 239 transitions. [2024-11-09 07:18:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 07:18:48,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:18:48,814 INFO L215 NwaCegarLoop]: trace histogram [13, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:18:48,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:18:48,815 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:18:48,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:18:48,816 INFO L85 PathProgramCache]: Analyzing trace with hash -267668604, now seen corresponding path program 1 times [2024-11-09 07:18:48,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:18:48,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786548536] [2024-11-09 07:18:48,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:18:48,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:21:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:22:01,097 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-09 07:22:01,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:22:01,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786548536] [2024-11-09 07:22:01,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786548536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 07:22:01,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879213533] [2024-11-09 07:22:01,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:22:01,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:22:01,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:22:01,102 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:22:01,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f49d0a7-953a-4612-8570-ee2eb11c76f1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:23:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:23:54,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 8387 conjuncts, 130 conjuncts are in the unsatisfiable core [2024-11-09 07:23:54,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:23:58,794 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-09 07:23:58,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 3 [2024-11-09 07:24:01,757 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-09 07:24:01,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2024-11-09 07:24:01,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-09 07:24:02,323 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-09 07:24:02,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2024-11-09 07:24:02,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-09 07:24:02,826 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-11-09 07:24:02,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2024-11-09 07:24:02,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-09 07:24:03,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 1 [2024-11-09 07:24:03,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 07:24:03,609 INFO L349 Elim1Store]: treesize reduction 25, result has 26.5 percent of original size [2024-11-09 07:24:03,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 45 [2024-11-09 07:24:03,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 07:24:03,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 45 [2024-11-09 07:24:03,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2024-11-09 07:24:30,385 WARN L286 SmtUtils]: Spent 7.11s on a formula simplification. DAG size of input: 231 DAG size of output: 225 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 07:24:30,386 INFO L349 Elim1Store]: treesize reduction 24, result has 96.8 percent of original size [2024-11-09 07:24:30,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 294 treesize of output 938