./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.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_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/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_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/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_5feaf236-173d-4daf-959a-2a652d9ac9e1/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 cbf4108b5361dc648374a0ac86f1645de021e2732cb82b01afd63d573ca937cf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:20:36,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:20:36,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:20:36,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:20:36,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:20:36,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:20:36,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:20:36,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:20:36,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:20:36,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:20:36,285 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:20:36,286 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:20:36,286 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:20:36,287 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:20:36,287 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:20:36,287 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:20:36,288 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:20:36,288 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:20:36,288 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:20:36,289 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:20:36,293 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:20:36,294 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:20:36,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:20:36,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:20:36,298 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:20:36,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:20:36,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:20:36,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:20:36,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:20:36,301 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:20:36,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:20:36,301 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:20:36,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:20:36,302 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:20:36,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:20:36,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:20:36,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:20:36,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:20:36,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:20:36,304 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:20:36,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:20:36,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:20:36,306 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:20:36,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:20:36,306 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_5feaf236-173d-4daf-959a-2a652d9ac9e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbf4108b5361dc648374a0ac86f1645de021e2732cb82b01afd63d573ca937cf [2024-11-09 06:20:36,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:20:36,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:20:36,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:20:36,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:20:36,692 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:20:36,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i Unable to find full path for "g++" [2024-11-09 06:20:38,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:20:39,453 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:20:39,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2024-11-09 06:20:39,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/data/0cd988ab8/b1869f8e57cd4d38b08d89ddae1c8984/FLAG1e406afd6 [2024-11-09 06:20:39,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/data/0cd988ab8/b1869f8e57cd4d38b08d89ddae1c8984 [2024-11-09 06:20:39,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:20:39,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:20:39,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:20:39,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:20:39,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:20:39,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:20:39" (1/1) ... [2024-11-09 06:20:39,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa8be59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:39, skipping insertion in model container [2024-11-09 06:20:39,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:20:39" (1/1) ... [2024-11-09 06:20:39,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:20:41,297 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_5feaf236-173d-4daf-959a-2a652d9ac9e1/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176293,176306] [2024-11-09 06:20:41,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:20:41,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:20:41,734 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_5feaf236-173d-4daf-959a-2a652d9ac9e1/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176293,176306] [2024-11-09 06:20:41,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:20:41,864 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:20:41,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41 WrapperNode [2024-11-09 06:20:41,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:20:41,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:20:41,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:20:41,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:20:41,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (1/1) ... [2024-11-09 06:20:42,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (1/1) ... [2024-11-09 06:20:42,187 INFO L138 Inliner]: procedures = 146, calls = 1276, calls flagged for inlining = 64, calls inlined = 64, statements flattened = 3312 [2024-11-09 06:20:42,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:20:42,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:20:42,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:20:42,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:20:42,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (1/1) ... [2024-11-09 06:20:42,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (1/1) ... [2024-11-09 06:20:42,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (1/1) ... [2024-11-09 06:20:42,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (1/1) ... [2024-11-09 06:20:42,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (1/1) ... [2024-11-09 06:20:42,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (1/1) ... [2024-11-09 06:20:42,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (1/1) ... [2024-11-09 06:20:42,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (1/1) ... [2024-11-09 06:20:42,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:20:42,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:20:42,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:20:42,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:20:42,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (1/1) ... [2024-11-09 06:20:42,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:20:42,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:20:42,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:20:42,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:20:42,573 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2024-11-09 06:20:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2024-11-09 06:20:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:20:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 06:20:42,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 06:20:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:20:42,579 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2024-11-09 06:20:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2024-11-09 06:20:42,582 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2024-11-09 06:20:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2024-11-09 06:20:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2024-11-09 06:20:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2024-11-09 06:20:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2024-11-09 06:20:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2024-11-09 06:20:42,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 06:20:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 06:20:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2024-11-09 06:20:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2024-11-09 06:20:42,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 06:20:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 06:20:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2024-11-09 06:20:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2024-11-09 06:20:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2024-11-09 06:20:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2024-11-09 06:20:42,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2024-11-09 06:20:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2024-11-09 06:20:42,590 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 06:20:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 06:20:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-09 06:20:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-09 06:20:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2024-11-09 06:20:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2024-11-09 06:20:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:20:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 06:20:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 06:20:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-09 06:20:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-09 06:20:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2024-11-09 06:20:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2024-11-09 06:20:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-09 06:20:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-09 06:20:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 06:20:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 06:20:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2024-11-09 06:20:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2024-11-09 06:20:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2024-11-09 06:20:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2024-11-09 06:20:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2024-11-09 06:20:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2024-11-09 06:20:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:20:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:20:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:20:42,594 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2024-11-09 06:20:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2024-11-09 06:20:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2024-11-09 06:20:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2024-11-09 06:20:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2024-11-09 06:20:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2024-11-09 06:20:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2024-11-09 06:20:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2024-11-09 06:20:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:20:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:20:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2024-11-09 06:20:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2024-11-09 06:20:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:20:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2024-11-09 06:20:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2024-11-09 06:20:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2024-11-09 06:20:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2024-11-09 06:20:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2024-11-09 06:20:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2024-11-09 06:20:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2024-11-09 06:20:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2024-11-09 06:20:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2024-11-09 06:20:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2024-11-09 06:20:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:20:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-09 06:20:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-09 06:20:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:20:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:20:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2024-11-09 06:20:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2024-11-09 06:20:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-09 06:20:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-09 06:20:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2024-11-09 06:20:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2024-11-09 06:20:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 06:20:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 06:20:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2024-11-09 06:20:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2024-11-09 06:20:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 06:20:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 06:20:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 06:20:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 06:20:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-09 06:20:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-09 06:20:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:20:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-09 06:20:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-09 06:20:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2024-11-09 06:20:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2024-11-09 06:20:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2024-11-09 06:20:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2024-11-09 06:20:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2024-11-09 06:20:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2024-11-09 06:20:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2024-11-09 06:20:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2024-11-09 06:20:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2024-11-09 06:20:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2024-11-09 06:20:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2024-11-09 06:20:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2024-11-09 06:20:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 06:20:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:20:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:20:43,412 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:20:43,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:20:55,467 INFO L? ?]: Removed 1439 outVars from TransFormulas that were not future-live. [2024-11-09 06:20:55,467 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:20:57,579 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:20:57,579 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:20:57,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:20:57 BoogieIcfgContainer [2024-11-09 06:20:57,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:20:57,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:20:57,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:20:57,591 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:20:57,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:20:39" (1/3) ... [2024-11-09 06:20:57,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da71fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:20:57, skipping insertion in model container [2024-11-09 06:20:57,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:20:41" (2/3) ... [2024-11-09 06:20:57,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da71fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:20:57, skipping insertion in model container [2024-11-09 06:20:57,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:20:57" (3/3) ... [2024-11-09 06:20:57,596 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2024-11-09 06:20:57,619 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:20:57,619 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:20:57,753 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:20:57,764 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;@143b3fe0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:20:57,765 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:20:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 873 states, 575 states have (on average 1.373913043478261) internal successors, (790), 583 states have internal predecessors, (790), 247 states have call successors, (247), 49 states have call predecessors, (247), 49 states have return successors, (247), 247 states have call predecessors, (247), 247 states have call successors, (247) [2024-11-09 06:20:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 06:20:57,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:20:57,814 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:20:57,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:20:57,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:20:57,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1811933625, now seen corresponding path program 1 times [2024-11-09 06:20:57,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:20:57,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832785460] [2024-11-09 06:20:57,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:20:57,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:21:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:21:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 06:21:02,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:21:02,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832785460] [2024-11-09 06:21:02,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832785460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:21:02,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615090173] [2024-11-09 06:21:02,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:21:02,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:21:02,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:21:02,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:21:02,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:21:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:21:06,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 06:21:06,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:21:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 06:21:06,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:21:06,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615090173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:21:06,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:21:06,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 06:21:06,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507697918] [2024-11-09 06:21:06,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:21:06,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:21:06,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:21:06,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:21:06,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:21:06,623 INFO L87 Difference]: Start difference. First operand has 873 states, 575 states have (on average 1.373913043478261) internal successors, (790), 583 states have internal predecessors, (790), 247 states have call successors, (247), 49 states have call predecessors, (247), 49 states have return successors, (247), 247 states have call predecessors, (247), 247 states have call successors, (247) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 06:21:08,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:10,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:12,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:14,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:17,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:19,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:21,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:23,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:27,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:21:27,655 INFO L93 Difference]: Finished difference Result 1741 states and 2575 transitions. [2024-11-09 06:21:27,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:21:27,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 76 [2024-11-09 06:21:27,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:21:27,686 INFO L225 Difference]: With dead ends: 1741 [2024-11-09 06:21:27,686 INFO L226 Difference]: Without dead ends: 869 [2024-11-09 06:21:27,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:21:27,705 INFO L432 NwaCegarLoop]: 1145 mSDtfsCounter, 0 mSDsluCounter, 3429 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4574 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:21:27,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4574 Invalid, 557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 549 Invalid, 8 Unknown, 0 Unchecked, 20.8s Time] [2024-11-09 06:21:27,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2024-11-09 06:21:27,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 869. [2024-11-09 06:21:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 572 states have (on average 1.3618881118881119) internal successors, (779), 580 states have internal predecessors, (779), 246 states have call successors, (246), 49 states have call predecessors, (246), 50 states have return successors, (253), 246 states have call predecessors, (253), 246 states have call successors, (253) [2024-11-09 06:21:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1278 transitions. [2024-11-09 06:21:27,875 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1278 transitions. Word has length 76 [2024-11-09 06:21:27,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:21:27,876 INFO L471 AbstractCegarLoop]: Abstraction has 869 states and 1278 transitions. [2024-11-09 06:21:27,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 06:21:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1278 transitions. [2024-11-09 06:21:27,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 06:21:27,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:21:27,884 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:21:27,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:21:28,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:21:28,086 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:21:28,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:21:28,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1071482725, now seen corresponding path program 1 times [2024-11-09 06:21:28,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:21:28,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658746149] [2024-11-09 06:21:28,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:21:28,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:21:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:21:31,224 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 06:21:31,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:21:31,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658746149] [2024-11-09 06:21:31,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658746149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:21:31,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758819577] [2024-11-09 06:21:31,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:21:31,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:21:31,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:21:31,230 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:21:31,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:21:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:21:34,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 1956 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 06:21:34,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:21:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 06:21:34,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:21:34,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758819577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:21:34,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:21:34,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2024-11-09 06:21:34,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817112552] [2024-11-09 06:21:34,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:21:34,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:21:34,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:21:34,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:21:34,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:21:34,447 INFO L87 Difference]: Start difference. First operand 869 states and 1278 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 06:21:36,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:38,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:40,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:42,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:45,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:47,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:49,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:51,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:21:55,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:21:55,406 INFO L93 Difference]: Finished difference Result 1734 states and 2548 transitions. [2024-11-09 06:21:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:21:55,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2024-11-09 06:21:55,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:21:55,418 INFO L225 Difference]: With dead ends: 1734 [2024-11-09 06:21:55,418 INFO L226 Difference]: Without dead ends: 869 [2024-11-09 06:21:55,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:21:55,426 INFO L432 NwaCegarLoop]: 1136 mSDtfsCounter, 0 mSDsluCounter, 3405 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4541 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:21:55,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4541 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 530 Invalid, 8 Unknown, 0 Unchecked, 20.8s Time] [2024-11-09 06:21:55,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2024-11-09 06:21:55,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 869. [2024-11-09 06:21:55,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 572 states have (on average 1.3618881118881119) internal successors, (779), 580 states have internal predecessors, (779), 246 states have call successors, (246), 49 states have call predecessors, (246), 50 states have return successors, (252), 246 states have call predecessors, (252), 246 states have call successors, (252) [2024-11-09 06:21:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1277 transitions. [2024-11-09 06:21:55,496 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1277 transitions. Word has length 80 [2024-11-09 06:21:55,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:21:55,497 INFO L471 AbstractCegarLoop]: Abstraction has 869 states and 1277 transitions. [2024-11-09 06:21:55,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 06:21:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1277 transitions. [2024-11-09 06:21:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 06:21:55,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:21:55,503 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:21:55,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:21:55,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:21:55,704 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:21:55,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:21:55,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1164842617, now seen corresponding path program 2 times [2024-11-09 06:21:55,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:21:55,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308946275] [2024-11-09 06:21:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:21:55,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:21:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:00,943 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 06:22:00,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:00,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308946275] [2024-11-09 06:22:00,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308946275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:22:00,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:22:00,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 06:22:00,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349821414] [2024-11-09 06:22:00,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:22:00,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 06:22:00,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:22:00,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 06:22:00,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 06:22:00,947 INFO L87 Difference]: Start difference. First operand 869 states and 1277 transitions. Second operand has 8 states, 6 states have (on average 6.833333333333333) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:22:02,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:05,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:07,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:09,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:11,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:13,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:15,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:20,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:22,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:24,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:26,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:28,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:30,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:32,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:44,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:47,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:50,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:50,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:22:50,901 INFO L93 Difference]: Finished difference Result 1729 states and 2540 transitions. [2024-11-09 06:22:50,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:22:50,903 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.833333333333333) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 84 [2024-11-09 06:22:50,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:22:50,912 INFO L225 Difference]: With dead ends: 1729 [2024-11-09 06:22:50,913 INFO L226 Difference]: Without dead ends: 878 [2024-11-09 06:22:50,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:22:50,921 INFO L432 NwaCegarLoop]: 1126 mSDtfsCounter, 24 mSDsluCounter, 6051 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 0 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 7177 SdHoareTripleChecker+Invalid, 1692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:22:50,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 7177 Invalid, 1692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1677 Invalid, 15 Unknown, 0 Unchecked, 49.6s Time] [2024-11-09 06:22:50,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2024-11-09 06:22:50,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 874. [2024-11-09 06:22:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 576 states have (on average 1.3611111111111112) internal successors, (784), 584 states have internal predecessors, (784), 246 states have call successors, (246), 49 states have call predecessors, (246), 51 states have return successors, (255), 247 states have call predecessors, (255), 246 states have call successors, (255) [2024-11-09 06:22:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1285 transitions. [2024-11-09 06:22:50,981 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1285 transitions. Word has length 84 [2024-11-09 06:22:50,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:22:50,982 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1285 transitions. [2024-11-09 06:22:50,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.833333333333333) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:22:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1285 transitions. [2024-11-09 06:22:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 06:22:50,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:50,986 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:22:50,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:22:50,987 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:22:50,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:50,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1461643631, now seen corresponding path program 1 times [2024-11-09 06:22:50,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:50,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714958299] [2024-11-09 06:22:50,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:50,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:22:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 06:22:55,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:55,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714958299] [2024-11-09 06:22:55,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714958299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:22:55,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:22:55,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 06:22:55,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284709773] [2024-11-09 06:22:55,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:22:55,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 06:22:55,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:22:55,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 06:22:55,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:22:55,226 INFO L87 Difference]: Start difference. First operand 874 states and 1285 transitions. Second operand has 9 states, 7 states have (on average 6.0) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:22:57,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:59,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:01,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:03,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:05,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:07,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:09,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:11,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:16,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:18,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:20,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:22,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:24,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:26,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:28,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:30,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:43,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:45,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:47,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:49,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:49,592 INFO L93 Difference]: Finished difference Result 1733 states and 2545 transitions. [2024-11-09 06:23:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:23:49,595 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.0) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 85 [2024-11-09 06:23:49,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:49,604 INFO L225 Difference]: With dead ends: 1733 [2024-11-09 06:23:49,605 INFO L226 Difference]: Without dead ends: 877 [2024-11-09 06:23:49,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:23:49,611 INFO L432 NwaCegarLoop]: 1126 mSDtfsCounter, 20 mSDsluCounter, 7176 mSDsCounter, 0 mSdLazyCounter, 1819 mSolverCounterSat, 0 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 8302 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1819 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:49,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 8302 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1819 Invalid, 18 Unknown, 0 Unchecked, 54.0s Time] [2024-11-09 06:23:49,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2024-11-09 06:23:49,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 875. [2024-11-09 06:23:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 577 states have (on average 1.3604852686308493) internal successors, (785), 585 states have internal predecessors, (785), 246 states have call successors, (246), 49 states have call predecessors, (246), 51 states have return successors, (255), 247 states have call predecessors, (255), 246 states have call successors, (255) [2024-11-09 06:23:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1286 transitions. [2024-11-09 06:23:49,664 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1286 transitions. Word has length 85 [2024-11-09 06:23:49,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:49,668 INFO L471 AbstractCegarLoop]: Abstraction has 875 states and 1286 transitions. [2024-11-09 06:23:49,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.0) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:23:49,668 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1286 transitions. [2024-11-09 06:23:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 06:23:49,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:49,673 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:23:49,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:23:49,673 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:49,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:49,674 INFO L85 PathProgramCache]: Analyzing trace with hash -529003926, now seen corresponding path program 1 times [2024-11-09 06:23:49,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:49,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31795837] [2024-11-09 06:23:49,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:49,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 06:23:54,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:54,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31795837] [2024-11-09 06:23:54,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31795837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:54,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:54,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 06:23:54,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040309229] [2024-11-09 06:23:54,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:54,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 06:23:54,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:54,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 06:23:54,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 06:23:54,274 INFO L87 Difference]: Start difference. First operand 875 states and 1286 transitions. Second operand has 9 states, 7 states have (on average 6.0) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:23:56,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:23:58,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:00,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:02,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:04,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:06,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:08,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:10,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:18,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:20,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:22,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:24,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:26,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:28,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:30,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:32,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:47,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:48,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:50,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:53,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:55,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:56,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:24:56,703 INFO L93 Difference]: Finished difference Result 1745 states and 2566 transitions. [2024-11-09 06:24:56,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:24:56,706 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.0) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 85 [2024-11-09 06:24:56,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:24:56,717 INFO L225 Difference]: With dead ends: 1745 [2024-11-09 06:24:56,717 INFO L226 Difference]: Without dead ends: 888 [2024-11-09 06:24:56,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:24:56,725 INFO L432 NwaCegarLoop]: 1090 mSDtfsCounter, 101 mSDsluCounter, 6526 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 72 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 7616 SdHoareTripleChecker+Invalid, 2343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:24:56,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 7616 Invalid, 2343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [72 Valid, 2252 Invalid, 19 Unknown, 0 Unchecked, 61.8s Time] [2024-11-09 06:24:56,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2024-11-09 06:24:56,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 880. [2024-11-09 06:24:56,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 581 states have (on average 1.359724612736661) internal successors, (790), 589 states have internal predecessors, (790), 246 states have call successors, (246), 49 states have call predecessors, (246), 52 states have return successors, (258), 248 states have call predecessors, (258), 246 states have call successors, (258) [2024-11-09 06:24:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1294 transitions. [2024-11-09 06:24:56,786 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1294 transitions. Word has length 85 [2024-11-09 06:24:56,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:24:56,787 INFO L471 AbstractCegarLoop]: Abstraction has 880 states and 1294 transitions. [2024-11-09 06:24:56,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.0) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:24:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1294 transitions. [2024-11-09 06:24:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 06:24:56,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:24:56,792 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:24:56,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:24:56,792 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:24:56,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:24:56,793 INFO L85 PathProgramCache]: Analyzing trace with hash -302193428, now seen corresponding path program 1 times [2024-11-09 06:24:56,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:24:56,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211013687] [2024-11-09 06:24:56,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:24:56,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:24:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:25:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 06:25:02,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:25:02,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211013687] [2024-11-09 06:25:02,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211013687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:25:02,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:25:02,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 06:25:02,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917403145] [2024-11-09 06:25:02,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:25:02,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:25:02,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:25:02,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:25:02,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:25:02,850 INFO L87 Difference]: Start difference. First operand 880 states and 1294 transitions. Second operand has 10 states, 8 states have (on average 5.375) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:25:04,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:06,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:09,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:11,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:13,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:15,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:17,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:19,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:21,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:29,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:31,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:33,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:35,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:37,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:39,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:41,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:43,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:45,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:26:00,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:26:02,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:26:04,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:26:06,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:26:06,303 INFO L93 Difference]: Finished difference Result 1768 states and 2601 transitions. [2024-11-09 06:26:06,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 06:26:06,304 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.375) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 86 [2024-11-09 06:26:06,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:26:06,313 INFO L225 Difference]: With dead ends: 1768 [2024-11-09 06:26:06,313 INFO L226 Difference]: Without dead ends: 906 [2024-11-09 06:26:06,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-09 06:26:06,319 INFO L432 NwaCegarLoop]: 1090 mSDtfsCounter, 111 mSDsluCounter, 7615 mSDsCounter, 0 mSdLazyCounter, 2442 mSolverCounterSat, 72 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 8705 SdHoareTripleChecker+Invalid, 2533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 2442 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:26:06,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 8705 Invalid, 2533 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [72 Valid, 2442 Invalid, 19 Unknown, 0 Unchecked, 62.8s Time] [2024-11-09 06:26:06,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2024-11-09 06:26:06,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 885. [2024-11-09 06:26:06,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 585 states have (on average 1.3606837606837607) internal successors, (796), 593 states have internal predecessors, (796), 246 states have call successors, (246), 49 states have call predecessors, (246), 53 states have return successors, (261), 249 states have call predecessors, (261), 246 states have call successors, (261) [2024-11-09 06:26:06,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1303 transitions. [2024-11-09 06:26:06,367 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1303 transitions. Word has length 86 [2024-11-09 06:26:06,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:26:06,367 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1303 transitions. [2024-11-09 06:26:06,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.375) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-09 06:26:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1303 transitions. [2024-11-09 06:26:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 06:26:06,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:06,371 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:26:06,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:26:06,372 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:26:06,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:06,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1955843167, now seen corresponding path program 1 times [2024-11-09 06:26:06,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:26:06,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690648348] [2024-11-09 06:26:06,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:06,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:26:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:26:10,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:26:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:26:11,903 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:26:11,903 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:26:11,905 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:26:11,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:26:11,910 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-11-09 06:26:12,037 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:26:12,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:26:12 BoogieIcfgContainer [2024-11-09 06:26:12,040 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:26:12,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:26:12,041 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:26:12,041 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:26:12,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:20:57" (3/4) ... [2024-11-09 06:26:12,043 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 06:26:12,162 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:26:12,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:26:12,163 INFO L158 Benchmark]: Toolchain (without parser) took 332630.68ms. Allocated memory was 178.3MB in the beginning and 918.6MB in the end (delta: 740.3MB). Free memory was 132.0MB in the beginning and 424.9MB in the end (delta: -292.9MB). Peak memory consumption was 449.3MB. Max. memory is 16.1GB. [2024-11-09 06:26:12,163 INFO L158 Benchmark]: CDTParser took 1.48ms. Allocated memory is still 178.3MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:26:12,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2330.54ms. Allocated memory is still 178.3MB. Free memory was 132.0MB in the beginning and 70.2MB in the end (delta: 61.8MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2024-11-09 06:26:12,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 321.78ms. Allocated memory was 178.3MB in the beginning and 260.0MB in the end (delta: 81.8MB). Free memory was 70.2MB in the beginning and 187.1MB in the end (delta: -116.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-09 06:26:12,166 INFO L158 Benchmark]: Boogie Preprocessor took 269.47ms. Allocated memory is still 260.0MB. Free memory was 187.1MB in the beginning and 166.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 06:26:12,166 INFO L158 Benchmark]: RCFGBuilder took 15120.33ms. Allocated memory was 260.0MB in the beginning and 392.2MB in the end (delta: 132.1MB). Free memory was 166.1MB in the beginning and 241.8MB in the end (delta: -75.6MB). Peak memory consumption was 210.6MB. Max. memory is 16.1GB. [2024-11-09 06:26:12,166 INFO L158 Benchmark]: TraceAbstraction took 314454.38ms. Allocated memory was 392.2MB in the beginning and 918.6MB in the end (delta: 526.4MB). Free memory was 240.7MB in the beginning and 437.5MB in the end (delta: -196.7MB). Peak memory consumption was 507.9MB. Max. memory is 16.1GB. [2024-11-09 06:26:12,167 INFO L158 Benchmark]: Witness Printer took 121.64ms. Allocated memory is still 918.6MB. Free memory was 437.5MB in the beginning and 424.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:26:12,169 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48ms. Allocated memory is still 178.3MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2330.54ms. Allocated memory is still 178.3MB. Free memory was 132.0MB in the beginning and 70.2MB in the end (delta: 61.8MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 321.78ms. Allocated memory was 178.3MB in the beginning and 260.0MB in the end (delta: 81.8MB). Free memory was 70.2MB in the beginning and 187.1MB in the end (delta: -116.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 269.47ms. Allocated memory is still 260.0MB. Free memory was 187.1MB in the beginning and 166.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 15120.33ms. Allocated memory was 260.0MB in the beginning and 392.2MB in the end (delta: 132.1MB). Free memory was 166.1MB in the beginning and 241.8MB in the end (delta: -75.6MB). Peak memory consumption was 210.6MB. Max. memory is 16.1GB. * TraceAbstraction took 314454.38ms. Allocated memory was 392.2MB in the beginning and 918.6MB in the end (delta: 526.4MB). Free memory was 240.7MB in the beginning and 437.5MB in the end (delta: -196.7MB). Peak memory consumption was 507.9MB. Max. memory is 16.1GB. * Witness Printer took 121.64ms. Allocated memory is still 918.6MB. Free memory was 437.5MB in the beginning and 424.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 6192]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L4032] static int debug ; [L4033] static char const *si4713_supply_names[2U] = { "vio", "vdd"}; [L4034-L4044] static long limiter_times[40U] = { 2000L, 250L, 1000L, 500L, 510L, 1000L, 255L, 2000L, 170L, 3000L, 127L, 4020L, 102L, 5010L, 85L, 6020L, 73L, 7010L, 64L, 7990L, 57L, 8970L, 51L, 10030L, 25L, 20470L, 17L, 30110L, 13L, 39380L, 10L, 51190L, 8L, 63690L, 7L, 73140L, 6L, 85330L, 5L, 102390L}; [L4045-L4048] static unsigned long acomp_rtimes[10U] = { 0UL, 100000UL, 1UL, 200000UL, 2UL, 350000UL, 3UL, 525000UL, 4UL, 1000000UL}; [L4049-L4050] static unsigned long preemphasis_values[6U] = { 2UL, 0UL, 1UL, 1UL, 0UL, 2UL}; [L5667-L5669] static struct v4l2_subdev_core_ops const si4713_subdev_core_ops = {0, 0, 0, 0, 0, 0, 0, & si4713_queryctrl, & si4713_g_ctrl, & si4713_s_ctrl, & si4713_g_ext_ctrls, & si4713_s_ext_ctrls, 0, 0, 0, & si4713_ioctl, 0, 0, 0, 0, 0, 0}; [L5837-L5839] static struct v4l2_subdev_tuner_ops const si4713_subdev_tuner_ops = {0, 0, & si4713_s_frequency, & si4713_g_frequency, 0, 0, & si4713_g_modulator, & si4713_s_modulator, 0, 0}; [L5840-L5841] static struct v4l2_subdev_ops const si4713_subdev_ops = {& si4713_subdev_core_ops, & si4713_subdev_tuner_ops, 0, 0, 0, 0, 0, 0}; [L5971] static struct i2c_device_id const si4713_id[2U] = { {{'s', 'i', '4', '7', '1', '3', '\000'}, 0UL}}; [L5972] struct i2c_device_id const __mod_i2c_device_table ; [L5973-L5977] static struct i2c_driver si4713_i2c_driver = {0U, 0, 0, & si4713_probe, & si4713_remove, 0, 0, 0, 0, 0, {"si4713", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct i2c_device_id const *)(& si4713_id), 0, 0, {0, 0}}; [L5999] int LDV_IN_INTERRUPT ; [L6002] struct v4l2_subdev *var_group1 ; [L6003] struct v4l2_queryctrl *var_group2 ; [L6004] struct v4l2_ext_controls *var_group3 ; [L6005] struct v4l2_control *var_group4 ; [L6006] unsigned int var_si4713_ioctl_33_p1 ; [L6007] void *var_si4713_ioctl_33_p2 ; [L6008] struct v4l2_frequency *var_group5 ; [L6009] struct v4l2_modulator *var_group6 ; [L6010] struct i2c_client *var_group7 ; [L6011] struct i2c_device_id const *var_si4713_probe_38_p1 ; [L6012] int res_si4713_probe_38 ; [L6013] int res_si4713_remove_39 ; [L6014] int var_si4713_handler_0_p0 ; [L6015] void *var_si4713_handler_0_p1 ; [L6016] int ldv_s_si4713_i2c_driver_i2c_driver ; [L6017] int tmp ; [L6018] int tmp___0 ; [L6019] int tmp___1 ; VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6021] CALL, EXPR ldv_malloc(sizeof(struct si4713_device)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [LDV_IN_INTERRUPT=0, \old(size)=2456, \result={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, size=2456] [L6021] RET, EXPR ldv_malloc(sizeof(struct si4713_device)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6021] var_group1 = ldv_malloc(sizeof(struct si4713_device)) [L6022] CALL, EXPR ldv_malloc(sizeof(struct v4l2_queryctrl)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3974] CALL, EXPR ldv_is_err(res) [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) VAL [LDV_IN_INTERRUPT=0, \old(cond)=1, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3963] COND FALSE !(!cond) [L3974] RET assume_abort_if_not(!ldv_is_err(res)) VAL [LDV_IN_INTERRUPT=0, \old(size)=68, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, res={-4095:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3975] return res; VAL [LDV_IN_INTERRUPT=0, \old(size)=68, \result={-4095:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6022] RET, EXPR ldv_malloc(sizeof(struct v4l2_queryctrl)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}] [L6022] var_group2 = ldv_malloc(sizeof(struct v4l2_queryctrl)) [L6023] COND FALSE !(!var_group2) [L6025] var_group2->id = __VERIFIER_nondet_int() [L6026] CALL, EXPR ldv_malloc(sizeof(struct v4l2_ext_controls)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3974] CALL, EXPR ldv_is_err(res) [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) VAL [LDV_IN_INTERRUPT=0, \old(cond)=1, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3963] COND FALSE !(!cond) [L3974] RET assume_abort_if_not(!ldv_is_err(res)) VAL [LDV_IN_INTERRUPT=0, \old(size)=28, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, res={75:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3975] return res; VAL [LDV_IN_INTERRUPT=0, \old(size)=28, \result={75:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6026] RET, EXPR ldv_malloc(sizeof(struct v4l2_ext_controls)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={-4095:0}] [L6026] var_group3 = ldv_malloc(sizeof(struct v4l2_ext_controls)) [L6027] COND FALSE !(!var_group3) [L6029] var_group3->ctrl_class = __VERIFIER_nondet_int() [L6030] CALL, EXPR ldv_malloc(sizeof(struct v4l2_ext_control)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [LDV_IN_INTERRUPT=0, \old(size)=20, \result={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, size=20] [L6030] RET, EXPR ldv_malloc(sizeof(struct v4l2_ext_control)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={-4095:0}, var_group3={75:0}] [L6030] var_group3->controls = ldv_malloc(sizeof(struct v4l2_ext_control)) [L6031] CALL, EXPR ldv_malloc(sizeof(struct v4l2_modulator)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [LDV_IN_INTERRUPT=0, \old(size)=68, \result={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, size=68] [L6031] RET, EXPR ldv_malloc(sizeof(struct v4l2_modulator)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={-4095:0}, var_group3={75:0}] [L6031] var_group6 = ldv_malloc(sizeof(struct v4l2_modulator)) [L6032] CALL, EXPR ldv_malloc(sizeof(struct i2c_client)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [LDV_IN_INTERRUPT=0, \old(size)=1096, \result={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, size=1096] [L6032] RET, EXPR ldv_malloc(sizeof(struct i2c_client)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={-4095:0}, var_group3={75:0}, var_group6={0:0}] [L6032] var_group7 = ldv_malloc(sizeof(struct i2c_client)) [L6033] ldv_s_si4713_i2c_driver_i2c_driver = 0 [L6034] LDV_IN_INTERRUPT = 1 [L6035] FCALL ldv_initialize() [L6036] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={-4095:0}, var_group3={75:0}, var_group6={0:0}, var_group7={0:0}] [L6037] CALL, EXPR si4713_module_init() [L5980] int tmp ; [L5982] CALL, EXPR i2c_add_driver(& si4713_i2c_driver) [L3953] int tmp ; [L3955] CALL, EXPR i2c_register_driver(& __this_module, driver) [L6313] return __VERIFIER_nondet_int(); [L3955] RET, EXPR i2c_register_driver(& __this_module, driver) [L3955] tmp = i2c_register_driver(& __this_module, driver) [L3956] return (tmp); [L5982] RET, EXPR i2c_add_driver(& si4713_i2c_driver) [L5982] tmp = i2c_add_driver(& si4713_i2c_driver) [L5983] return (tmp); [L6037] RET, EXPR si4713_module_init() [L6037] tmp = si4713_module_init() [L6038] COND FALSE !(tmp != 0) VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={-4095:0}, var_group3={75:0}, var_group6={0:0}, var_group7={0:0}] [L6125] tmp___1 = __VERIFIER_nondet_int() VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, tmp___1=-3, var_group1={0:0}, var_group2={-4095:0}, var_group3={75:0}, var_group6={0:0}, var_group7={0:0}] [L6126] COND TRUE tmp___1 != 0 || ldv_s_si4713_i2c_driver_i2c_driver != 0 [L6044] tmp___0 = __VERIFIER_nondet_int() [L6046] case 0: [L6050] case 1: [L6054] case 2: VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, tmp___0=2, var_group1={0:0}, var_group2={-4095:0}, var_group3={75:0}, var_group6={0:0}, var_group7={0:0}] [L6055] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, tmp___0=2, var_group1={0:0}, var_group2={-4095:0}, var_group3={75:0}, var_group6={0:0}, var_group7={0:0}] [L6056] CALL si4713_s_ext_ctrls(var_group1, var_group3) [L5390] struct si4713_device *sdev ; [L5391] struct v4l2_subdev const *__mptr ; [L5392] int i ; [L5393] int err ; [L5395] __mptr = (struct v4l2_subdev const *)sd [L5396] sdev = (struct si4713_device *)__mptr [L5397] EXPR ctrls->ctrl_class VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, ctrls={75:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5397] COND FALSE !(ctrls->ctrl_class != 10158080U) [L5401] i = 0 VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, ctrls={75:0}, debug=0, i=0, limiter_times={60:0}, preemphasis_values={62:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5424] EXPR ctrls->count VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, ctrls={75:0}, debug=0, i=0, limiter_times={60:0}, preemphasis_values={62:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5424] COND TRUE (__u32 )i < ctrls->count [L5404] EXPR ctrls->controls [L5404] (ctrls->controls + (unsigned long )i)->id [L5405] case 10160389U: [L5406] case 10160390U: [L5407] EXPR ctrls->controls [L5407] CALL si4713_write_econtrol_string(sdev, ctrls->controls + (unsigned long )i) [L4812] struct v4l2_queryctrl vqc ; [L4813] int len ; [L4814] s32 rval ; [L4815] char ps_name[97U] ; [L4816] unsigned long tmp ; [L4817] size_t tmp___0 ; [L4818] char radio_text[385U] ; [L4819] unsigned long tmp___1 ; [L4820] size_t tmp___2 ; [L4822] rval = 0 [L4823] EXPR control->id [L4823] vqc.id = control->id [L4824] CALL, EXPR si4713_queryctrl(& sdev->sd, & vqc) VAL [LDV_IN_INTERRUPT=1, \old(qc)={78:0}, \old(sd)={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5476] int rval ; [L5478] rval = 0 [L5479] qc->id [L5480] case 9963785U: [L5483] case 10160386U: [L5486] case 10160387U: [L5489] case 10160385U: [L5492] case 10160389U: VAL [LDV_IN_INTERRUPT=1, \old(qc)={78:0}, \old(sd)={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, qc={78:0}, rval=0, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5493] CALL, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [LDV_IN_INTERRUPT=1, \old(arg0)={78:0}, \old(arg1)=0, \old(arg2)=96, \old(arg3)=8, \old(arg4)=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6375] return __VERIFIER_nondet_int(); [L5493] RET, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [LDV_IN_INTERRUPT=1, \old(qc)={78:0}, \old(sd)={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, qc={78:0}, rval=0, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5493] rval = v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [LDV_IN_INTERRUPT=1, \old(qc)={78:0}, \old(sd)={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, qc={78:0}, rval=0, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5545] return (rval); [L4824] RET, EXPR si4713_queryctrl(& sdev->sd, & vqc) VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, control={0:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, ps_name={77:0}, radio_text={79:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, vqc={78:0}] [L4824] rval = si4713_queryctrl(& sdev->sd, & vqc) [L4825] COND FALSE !(rval < 0) [L4829] control->id [L4830] case 10160389U: [L4831] EXPR control->size [L4831] len = (int )(control->size - 1U) VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, control={0:0}, debug=0, len=-2, limiter_times={60:0}, preemphasis_values={62:0}, ps_name={77:0}, radio_text={79:0}, rval=0, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, vqc={78:0}] [L4830] case 10160389U: [L4837] EXPR control->ldv_23581.string VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, len=-2, limiter_times={60:0}, preemphasis_values={62:0}, ps_name={77:0}, radio_text={79:0}, rval=0, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, vqc={78:0}] [L4837-L4838] CALL ldv_copy_from_user_7((void *)(& ps_name), (void const *)control->ldv_23581.string, (unsigned long )len) VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6181] unsigned long tmp ; VAL [LDV_IN_INTERRUPT=1, \old(from)={4294967331:4294967330}, \old(n)=-2, \old(to)={77:0}, acomp_rtimes={61:0}, debug=0, from={4294967331:4294967330}, limiter_times={60:0}, n=-2, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, to={77:0}] [L6183] CALL ldv_check_len((long )n) VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6235] COND FALSE !(n >= 0L) [L6237] CALL ldv_error() [L6192] reach_error() VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 50 procedures, 873 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 314.2s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 272.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 87 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 269.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256 mSDsluCounter, 40915 SdHoareTripleChecker+Invalid, 262.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34202 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9269 IncrementalHoareTripleChecker+Invalid, 9500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 6713 mSDtfsCounter, 9269 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 214 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=885occurred in iteration=6, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 35 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 16.5s InterpolantComputationTime, 740 NumberOfCodeBlocks, 740 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 644 ConstructedInterpolants, 0 QuantifiedInterpolants, 1088 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3891 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 496/512 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-09 06:26:12,392 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-09 06:26:12,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5feaf236-173d-4daf-959a-2a652d9ac9e1/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE