./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.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_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/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_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/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_39e02bf9-ccd2-445c-b84b-67545e53abed/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 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:33:39,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:33:39,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:33:39,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:33:39,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:33:39,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:33:39,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:33:39,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:33:39,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:33:39,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:33:39,458 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:33:39,458 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:33:39,459 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:33:39,459 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:33:39,463 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:33:39,464 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:33:39,464 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:33:39,464 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:33:39,465 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:33:39,465 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:33:39,465 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:33:39,466 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:33:39,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:33:39,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:33:39,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:33:39,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:33:39,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:33:39,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:33:39,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:33:39,469 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:33:39,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:33:39,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:33:39,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:33:39,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:33:39,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:33:39,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:39,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:33:39,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:33:39,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:33:39,472 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:33:39,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:33:39,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:33:39,475 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:33:39,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:33:39,476 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_39e02bf9-ccd2-445c-b84b-67545e53abed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 [2024-11-02 12:33:39,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:33:39,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:33:39,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:33:39,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:33:39,829 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:33:39,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i Unable to find full path for "g++" [2024-11-02 12:33:42,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:33:42,762 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:33:42,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2024-11-02 12:33:42,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/data/a1d0656e8/65e0513adc7d4ad7b7308d72ed4f37a6/FLAGa561e80d5 [2024-11-02 12:33:42,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/data/a1d0656e8/65e0513adc7d4ad7b7308d72ed4f37a6 [2024-11-02 12:33:42,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:33:42,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:33:42,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:42,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:33:42,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:33:42,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:42" (1/1) ... [2024-11-02 12:33:42,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20788005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:42, skipping insertion in model container [2024-11-02 12:33:42,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:33:42" (1/1) ... [2024-11-02 12:33:42,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:33:43,337 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_39e02bf9-ccd2-445c-b84b-67545e53abed/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2024-11-02 12:33:43,347 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_39e02bf9-ccd2-445c-b84b-67545e53abed/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2024-11-02 12:33:44,530 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,531 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,531 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,533 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,534 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,552 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,554 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,559 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,563 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,565 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,567 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,568 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:44,568 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,368 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,377 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:45,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:33:45,491 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_39e02bf9-ccd2-445c-b84b-67545e53abed/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2024-11-02 12:33:45,491 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_39e02bf9-ccd2-445c-b84b-67545e53abed/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2024-11-02 12:33:45,556 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,556 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,557 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,557 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,558 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,567 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,568 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,570 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,570 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,572 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,572 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,573 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,573 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,652 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,662 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:33:45,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2024-11-02 12:33:45,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:33:46,014 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:33:46,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46 WrapperNode [2024-11-02 12:33:46,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:33:46,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:46,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:33:46,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:33:46,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (1/1) ... [2024-11-02 12:33:46,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (1/1) ... [2024-11-02 12:33:46,249 INFO L138 Inliner]: procedures = 679, calls = 1574, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 584 [2024-11-02 12:33:46,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:33:46,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:33:46,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:33:46,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:33:46,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (1/1) ... [2024-11-02 12:33:46,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (1/1) ... [2024-11-02 12:33:46,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (1/1) ... [2024-11-02 12:33:46,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (1/1) ... [2024-11-02 12:33:46,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (1/1) ... [2024-11-02 12:33:46,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (1/1) ... [2024-11-02 12:33:46,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (1/1) ... [2024-11-02 12:33:46,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (1/1) ... [2024-11-02 12:33:46,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:33:46,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:33:46,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:33:46,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:33:46,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (1/1) ... [2024-11-02 12:33:46,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:33:46,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:46,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:33:46,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:33:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:33:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-02 12:33:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-02 12:33:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-02 12:33:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-02 12:33:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:33:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:33:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:33:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:33:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:33:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:33:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:33:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:33:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:33:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:33:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:33:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:33:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:33:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:33:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:33:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-02 12:33:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-02 12:33:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:33:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:33:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:33:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:33:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2024-11-02 12:33:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2024-11-02 12:33:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:33:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:33:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:33:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:33:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-02 12:33:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-02 12:33:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:33:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:33:46,799 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:33:46,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:33:50,715 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-02 12:33:50,715 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:33:50,987 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:33:50,988 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:33:50,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:50 BoogieIcfgContainer [2024-11-02 12:33:50,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:33:50,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:33:50,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:33:50,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:33:50,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:33:42" (1/3) ... [2024-11-02 12:33:50,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4957beee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:50, skipping insertion in model container [2024-11-02 12:33:50,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:33:46" (2/3) ... [2024-11-02 12:33:50,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4957beee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:33:50, skipping insertion in model container [2024-11-02 12:33:50,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:33:50" (3/3) ... [2024-11-02 12:33:51,001 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness.i [2024-11-02 12:33:51,023 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:33:51,024 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:33:51,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:33:51,173 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;@23646b4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:33:51,174 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:33:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 40 states have (on average 1.15) internal successors, (46), 41 states have internal predecessors, (46), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-02 12:33:51,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-02 12:33:51,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:33:51,193 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2024-11-02 12:33:51,193 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:33:51,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:33:51,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1933694439, now seen corresponding path program 1 times [2024-11-02 12:33:51,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:33:51,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485045587] [2024-11-02 12:33:51,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:51,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:33:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:33:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-02 12:33:59,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:33:59,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485045587] [2024-11-02 12:33:59,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485045587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-02 12:33:59,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157460841] [2024-11-02 12:33:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:33:59,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:33:59,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:33:59,240 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:33:59,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:34:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:34:06,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 3978 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:34:06,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:34:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-02 12:34:06,732 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:34:06,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157460841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:34:06,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 12:34:06,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-02 12:34:06,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776739250] [2024-11-02 12:34:06,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:34:06,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:34:06,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:34:06,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:34:06,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:34:06,775 INFO L87 Difference]: Start difference. First operand has 78 states, 40 states have (on average 1.15) internal successors, (46), 41 states have internal predecessors, (46), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-02 12:34:08,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:34:11,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:34:13,578 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 [] [2024-11-02 12:34:14,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:34:14,638 INFO L93 Difference]: Finished difference Result 130 states and 170 transitions. [2024-11-02 12:34:14,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:34:14,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2024-11-02 12:34:14,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:34:14,652 INFO L225 Difference]: With dead ends: 130 [2024-11-02 12:34:14,653 INFO L226 Difference]: Without dead ends: 78 [2024-11-02 12:34:14,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:34:14,660 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 13 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-02 12:34:14,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 245 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 7.8s Time] [2024-11-02 12:34:14,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-02 12:34:14,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-02 12:34:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 40 states have (on average 1.125) internal successors, (45), 42 states have internal predecessors, (45), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2024-11-02 12:34:14,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2024-11-02 12:34:14,725 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 47 [2024-11-02 12:34:14,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:34:14,727 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2024-11-02 12:34:14,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-02 12:34:14,728 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2024-11-02 12:34:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-02 12:34:14,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:34:14,735 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2024-11-02 12:34:14,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-02 12:34:14,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e02bf9-ccd2-445c-b84b-67545e53abed/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:34:14,937 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:34:14,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:34:14,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1105090247, now seen corresponding path program 1 times [2024-11-02 12:34:14,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:34:14,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639397794] [2024-11-02 12:34:14,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:34:14,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms