./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/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_ef5ed881-79e2-404f-a122-5976bbf7e31b/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/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_ef5ed881-79e2-404f-a122-5976bbf7e31b/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 e997427d9ea56e1cd2f3b4f214f76f2cbd1227f5579082c63a7e80c81b2ac86e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:22:10,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:22:10,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 06:22:10,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:22:10,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:22:10,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:22:10,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:22:10,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:22:10,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:22:10,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:22:10,242 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:22:10,242 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:22:10,243 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:22:10,243 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:22:10,243 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:22:10,244 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:22:10,244 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:22:10,245 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:22:10,245 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:22:10,245 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:22:10,246 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:22:10,247 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:22:10,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:22:10,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:22:10,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:22:10,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:22:10,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:22:10,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:22:10,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:22:10,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:22:10,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:22:10,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:22:10,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:22:10,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:22:10,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:22:10,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:22:10,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:22:10,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:22:10,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:22:10,254 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:22:10,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:22:10,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:22:10,255 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:22:10,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:22:10,256 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_ef5ed881-79e2-404f-a122-5976bbf7e31b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e997427d9ea56e1cd2f3b4f214f76f2cbd1227f5579082c63a7e80c81b2ac86e [2024-11-09 06:22:10,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:22:10,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:22:10,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:22:10,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:22:10,666 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:22:10,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-09 06:22:12,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:22:13,555 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:22:13,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2024-11-09 06:22:13,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/bin/utaipan-verify-YMUCfTKeje/data/50f485a55/3dd3818a35a848bd80a4a3fde73df27f/FLAG70eb38228 [2024-11-09 06:22:13,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/bin/utaipan-verify-YMUCfTKeje/data/50f485a55/3dd3818a35a848bd80a4a3fde73df27f [2024-11-09 06:22:13,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:22:13,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:22:13,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:22:13,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:22:13,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:22:13,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:22:13" (1/1) ... [2024-11-09 06:22:13,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ce9fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:13, skipping insertion in model container [2024-11-09 06:22:13,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:22:13" (1/1) ... [2024-11-09 06:22:13,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:22:15,501 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_ef5ed881-79e2-404f-a122-5976bbf7e31b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i[186321,186334] [2024-11-09 06:22:15,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:22:15,766 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:22:16,269 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_ef5ed881-79e2-404f-a122-5976bbf7e31b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i[186321,186334] [2024-11-09 06:22:16,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:22:16,511 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:22:16,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16 WrapperNode [2024-11-09 06:22:16,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:22:16,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:22:16,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:22:16,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:22:16,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (1/1) ... [2024-11-09 06:22:16,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (1/1) ... [2024-11-09 06:22:16,849 INFO L138 Inliner]: procedures = 210, calls = 1206, calls flagged for inlining = 98, calls inlined = 94, statements flattened = 3607 [2024-11-09 06:22:16,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:22:16,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:22:16,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:22:16,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:22:16,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (1/1) ... [2024-11-09 06:22:16,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (1/1) ... [2024-11-09 06:22:16,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (1/1) ... [2024-11-09 06:22:16,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (1/1) ... [2024-11-09 06:22:16,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (1/1) ... [2024-11-09 06:22:17,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (1/1) ... [2024-11-09 06:22:17,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (1/1) ... [2024-11-09 06:22:17,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (1/1) ... [2024-11-09 06:22:17,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:22:17,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:22:17,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:22:17,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:22:17,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (1/1) ... [2024-11-09 06:22:17,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:22:17,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:22:17,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:22:17,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef5ed881-79e2-404f-a122-5976bbf7e31b/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:22:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_select_profile [2024-11-09 06:22:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_select_profile [2024-11-09 06:22:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-09 06:22:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-09 06:22:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_receive [2024-11-09 06:22:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_receive [2024-11-09 06:22:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 06:22:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 06:22:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 06:22:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_drvdata [2024-11-09 06:22:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_drvdata [2024-11-09 06:22:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 06:22:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 06:22:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_raw_event [2024-11-09 06:22:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_raw_event [2024-11-09 06:22:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2024-11-09 06:22:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2024-11-09 06:22:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 06:22:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 06:22:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_report_event [2024-11-09 06:22:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_report_event [2024-11-09 06:22:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2024-11-09 06:22:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2024-11-09 06:22:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 06:22:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 06:22:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 06:22:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 06:22:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:22:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:22:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-09 06:22:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-09 06:22:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_kovaplus_lock_of_kovaplus_device [2024-11-09 06:22:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_kovaplus_lock_of_kovaplus_device [2024-11-09 06:22:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_write [2024-11-09 06:22:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_write [2024-11-09 06:22:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 06:22:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_remove [2024-11-09 06:22:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_remove [2024-11-09 06:22:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:22:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_convert_event_cpi [2024-11-09 06:22:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_convert_event_cpi [2024-11-09 06:22:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 06:22:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 06:22:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:22:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:22:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 06:22:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 06:22:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-09 06:22:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-09 06:22:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 06:22:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_kovaplus_lock_of_kovaplus_device [2024-11-09 06:22:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_kovaplus_lock_of_kovaplus_device [2024-11-09 06:22:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:22:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profilex_settings [2024-11-09 06:22:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profilex_settings [2024-11-09 06:22:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read [2024-11-09 06:22:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read [2024-11-09 06:22:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_profile_activated [2024-11-09 06:22:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_profile_activated [2024-11-09 06:22:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 06:22:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 06:22:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-09 06:22:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-09 06:22:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:22:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-09 06:22:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-09 06:22:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:22:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-09 06:22:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-09 06:22:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:22:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:22:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 06:22:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 06:22:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_sysfs_read_profilex_buttons [2024-11-09 06:22:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_sysfs_read_profilex_buttons [2024-11-09 06:22:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure roccat_common2_send_with_status [2024-11-09 06:22:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure roccat_common2_send_with_status [2024-11-09 06:22:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:22:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-09 06:22:17,192 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-09 06:22:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:22:17,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:22:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-09 06:22:17,193 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-09 06:22:17,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:22:17,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:22:18,059 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 06:22:31,312 INFO L? ?]: Removed 1153 outVars from TransFormulas that were not future-live. [2024-11-09 06:22:31,312 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:22:32,102 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:22:32,102 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-09 06:22:32,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:22:32 BoogieIcfgContainer [2024-11-09 06:22:32,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:22:32,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:22:32,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:22:32,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:22:32,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:22:13" (1/3) ... [2024-11-09 06:22:32,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e632bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:22:32, skipping insertion in model container [2024-11-09 06:22:32,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:22:16" (2/3) ... [2024-11-09 06:22:32,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e632bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:22:32, skipping insertion in model container [2024-11-09 06:22:32,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:22:32" (3/3) ... [2024-11-09 06:22:32,120 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2024-11-09 06:22:32,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:22:32,145 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:22:32,344 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:22:32,354 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;@4c83b632, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:22:32,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:22:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 789 states, 497 states have (on average 1.4024144869215291) internal successors, (697), 531 states have internal predecessors, (697), 256 states have call successors, (256), 35 states have call predecessors, (256), 34 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2024-11-09 06:22:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2024-11-09 06:22:32,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:32,486 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:22:32,487 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:22:32,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:32,496 INFO L85 PathProgramCache]: Analyzing trace with hash -89222731, now seen corresponding path program 1 times [2024-11-09 06:22:32,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:32,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765239668] [2024-11-09 06:22:32,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:32,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:22:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:22:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 17510 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17510 trivial. 0 not checked. [2024-11-09 06:22:53,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:22:53,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765239668] [2024-11-09 06:22:53,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765239668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:22:53,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:22:53,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:22:53,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754443916] [2024-11-09 06:22:53,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:22:53,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:22:53,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:22:53,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:22:53,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:22:53,383 INFO L87 Difference]: Start difference. First operand has 789 states, 497 states have (on average 1.4024144869215291) internal successors, (697), 531 states have internal predecessors, (697), 256 states have call successors, (256), 35 states have call predecessors, (256), 34 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (107), 2 states have call predecessors, (107), 1 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) [2024-11-09 06:22:55,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:57,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:22:59,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:22:59,588 INFO L93 Difference]: Finished difference Result 1866 states and 2877 transitions. [2024-11-09 06:22:59,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:22:59,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (107), 2 states have call predecessors, (107), 1 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) Word has length 938 [2024-11-09 06:22:59,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:22:59,628 INFO L225 Difference]: With dead ends: 1866 [2024-11-09 06:22:59,628 INFO L226 Difference]: Without dead ends: 1215 [2024-11-09 06:22:59,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:22:59,643 INFO L432 NwaCegarLoop]: 1088 mSDtfsCounter, 780 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 2143 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:22:59,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [780 Valid, 2143 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 194 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2024-11-09 06:22:59,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2024-11-09 06:22:59,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1211. [2024-11-09 06:22:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 830 states have (on average 1.4024096385542169) internal successors, (1164), 840 states have internal predecessors, (1164), 323 states have call successors, (323), 58 states have call predecessors, (323), 57 states have return successors, (317), 317 states have call predecessors, (317), 317 states have call successors, (317) [2024-11-09 06:22:59,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1804 transitions. [2024-11-09 06:22:59,866 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1804 transitions. Word has length 938 [2024-11-09 06:22:59,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:22:59,871 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1804 transitions. [2024-11-09 06:22:59,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 2 states have call successors, (107), 2 states have call predecessors, (107), 1 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) [2024-11-09 06:22:59,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1804 transitions. [2024-11-09 06:22:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2024-11-09 06:22:59,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:22:59,925 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:22:59,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:22:59,929 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:22:59,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:22:59,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1558873171, now seen corresponding path program 1 times [2024-11-09 06:22:59,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:22:59,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531325441] [2024-11-09 06:22:59,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:22:59,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 17512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17512 trivial. 0 not checked. [2024-11-09 06:23:14,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:14,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531325441] [2024-11-09 06:23:14,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531325441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:14,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:14,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:23:14,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016613538] [2024-11-09 06:23:14,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:14,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:23:14,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:14,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:23:14,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:14,023 INFO L87 Difference]: Start difference. First operand 1211 states and 1804 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-09 06:23:16,133 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 06:23:17,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:17,784 INFO L93 Difference]: Finished difference Result 3168 states and 4715 transitions. [2024-11-09 06:23:17,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:23:17,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 948 [2024-11-09 06:23:17,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:17,801 INFO L225 Difference]: With dead ends: 3168 [2024-11-09 06:23:17,802 INFO L226 Difference]: Without dead ends: 2167 [2024-11-09 06:23:17,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:17,808 INFO L432 NwaCegarLoop]: 1013 mSDtfsCounter, 1051 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:17,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 1708 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 181 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2024-11-09 06:23:17,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2024-11-09 06:23:17,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 2149. [2024-11-09 06:23:17,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 1519 states have (on average 1.4312047399605003) internal successors, (2174), 1535 states have internal predecessors, (2174), 517 states have call successors, (517), 113 states have call predecessors, (517), 112 states have return successors, (511), 510 states have call predecessors, (511), 511 states have call successors, (511) [2024-11-09 06:23:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 3202 transitions. [2024-11-09 06:23:17,926 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 3202 transitions. Word has length 948 [2024-11-09 06:23:17,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:17,928 INFO L471 AbstractCegarLoop]: Abstraction has 2149 states and 3202 transitions. [2024-11-09 06:23:17,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (111), 2 states have call predecessors, (111), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-09 06:23:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 3202 transitions. [2024-11-09 06:23:17,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 951 [2024-11-09 06:23:17,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:17,940 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:23:17,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:23:17,941 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:17,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:17,941 INFO L85 PathProgramCache]: Analyzing trace with hash 169322805, now seen corresponding path program 1 times [2024-11-09 06:23:17,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:17,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612756835] [2024-11-09 06:23:17,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:17,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 17512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17512 trivial. 0 not checked. [2024-11-09 06:23:35,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:35,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612756835] [2024-11-09 06:23:35,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612756835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:35,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:35,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:23:35,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348813700] [2024-11-09 06:23:35,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:35,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:23:35,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:35,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:23:35,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:35,586 INFO L87 Difference]: Start difference. First operand 2149 states and 3202 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-09 06:23:37,705 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 06:23:40,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:23:40,105 INFO L93 Difference]: Finished difference Result 5972 states and 8889 transitions. [2024-11-09 06:23:40,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:23:40,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 950 [2024-11-09 06:23:40,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:23:40,137 INFO L225 Difference]: With dead ends: 5972 [2024-11-09 06:23:40,137 INFO L226 Difference]: Without dead ends: 4033 [2024-11-09 06:23:40,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:40,148 INFO L432 NwaCegarLoop]: 1043 mSDtfsCounter, 1062 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:23:40,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 1736 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 06:23:40,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2024-11-09 06:23:40,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 4015. [2024-11-09 06:23:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4015 states, 2879 states have (on average 1.443556790552275) internal successors, (4156), 2907 states have internal predecessors, (4156), 913 states have call successors, (913), 223 states have call predecessors, (913), 222 states have return successors, (907), 904 states have call predecessors, (907), 907 states have call successors, (907) [2024-11-09 06:23:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 4015 states and 5976 transitions. [2024-11-09 06:23:40,400 INFO L78 Accepts]: Start accepts. Automaton has 4015 states and 5976 transitions. Word has length 950 [2024-11-09 06:23:40,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:23:40,403 INFO L471 AbstractCegarLoop]: Abstraction has 4015 states and 5976 transitions. [2024-11-09 06:23:40,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-09 06:23:40,405 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 5976 transitions. [2024-11-09 06:23:40,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 954 [2024-11-09 06:23:40,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:23:40,418 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:23:40,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:23:40,419 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:23:40,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:23:40,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1788631828, now seen corresponding path program 1 times [2024-11-09 06:23:40,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:23:40,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913035741] [2024-11-09 06:23:40,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:23:40,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:23:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 17512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17512 trivial. 0 not checked. [2024-11-09 06:23:57,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:57,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913035741] [2024-11-09 06:23:57,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913035741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:23:57,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:23:57,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:23:57,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79304778] [2024-11-09 06:23:57,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:23:57,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:23:57,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:23:57,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:23:57,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:23:57,478 INFO L87 Difference]: Start difference. First operand 4015 states and 5976 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-09 06:23:59,613 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 06:24:01,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:24:01,931 INFO L93 Difference]: Finished difference Result 11493 states and 17086 transitions. [2024-11-09 06:24:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:24:01,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) Word has length 953 [2024-11-09 06:24:01,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:24:01,995 INFO L225 Difference]: With dead ends: 11493 [2024-11-09 06:24:01,996 INFO L226 Difference]: Without dead ends: 7688 [2024-11-09 06:24:02,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:24:02,022 INFO L432 NwaCegarLoop]: 1060 mSDtfsCounter, 1047 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 1753 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:24:02,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 1753 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 188 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-09 06:24:02,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7688 states. [2024-11-09 06:24:02,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7688 to 7667. [2024-11-09 06:24:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7667 states, 5543 states have (on average 1.4497564495760418) internal successors, (8036), 5595 states have internal predecessors, (8036), 1681 states have call successors, (1681), 443 states have call predecessors, (1681), 442 states have return successors, (1675), 1668 states have call predecessors, (1675), 1675 states have call successors, (1675) [2024-11-09 06:24:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7667 states to 7667 states and 11392 transitions. [2024-11-09 06:24:02,518 INFO L78 Accepts]: Start accepts. Automaton has 7667 states and 11392 transitions. Word has length 953 [2024-11-09 06:24:02,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:24:02,521 INFO L471 AbstractCegarLoop]: Abstraction has 7667 states and 11392 transitions. [2024-11-09 06:24:02,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (112), 2 states have call predecessors, (112), 1 states have return successors, (109), 2 states have call predecessors, (109), 2 states have call successors, (109) [2024-11-09 06:24:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 7667 states and 11392 transitions. [2024-11-09 06:24:02,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 954 [2024-11-09 06:24:02,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:24:02,538 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:24:02,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:24:02,538 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:24:02,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:24:02,539 INFO L85 PathProgramCache]: Analyzing trace with hash 9438857, now seen corresponding path program 1 times [2024-11-09 06:24:02,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:24:02,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640122172] [2024-11-09 06:24:02,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:24:02,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:24:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:24:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 17554 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17554 trivial. 0 not checked. [2024-11-09 06:24:18,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:24:18,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640122172] [2024-11-09 06:24:18,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640122172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:24:18,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:24:18,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:24:18,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68964274] [2024-11-09 06:24:18,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:24:18,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:24:18,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:24:18,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:24:18,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:24:18,145 INFO L87 Difference]: Start difference. First operand 7667 states and 11392 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-09 06:24:20,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:21,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:24:21,631 INFO L93 Difference]: Finished difference Result 7669 states and 11393 transitions. [2024-11-09 06:24:21,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:24:21,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 953 [2024-11-09 06:24:21,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:24:21,691 INFO L225 Difference]: With dead ends: 7669 [2024-11-09 06:24:21,691 INFO L226 Difference]: Without dead ends: 7666 [2024-11-09 06:24:21,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:24:21,700 INFO L432 NwaCegarLoop]: 1006 mSDtfsCounter, 869 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:24:21,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 1006 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2024-11-09 06:24:21,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7666 states. [2024-11-09 06:24:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7666 to 7666. [2024-11-09 06:24:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7666 states, 5543 states have (on average 1.4495760418545913) internal successors, (8035), 5594 states have internal predecessors, (8035), 1680 states have call successors, (1680), 443 states have call predecessors, (1680), 442 states have return successors, (1675), 1668 states have call predecessors, (1675), 1675 states have call successors, (1675) [2024-11-09 06:24:22,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7666 states to 7666 states and 11390 transitions. [2024-11-09 06:24:22,240 INFO L78 Accepts]: Start accepts. Automaton has 7666 states and 11390 transitions. Word has length 953 [2024-11-09 06:24:22,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:24:22,242 INFO L471 AbstractCegarLoop]: Abstraction has 7666 states and 11390 transitions. [2024-11-09 06:24:22,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-09 06:24:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 7666 states and 11390 transitions. [2024-11-09 06:24:22,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 955 [2024-11-09 06:24:22,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:24:22,266 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:24:22,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:24:22,267 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:24:22,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:24:22,268 INFO L85 PathProgramCache]: Analyzing trace with hash 292221262, now seen corresponding path program 1 times [2024-11-09 06:24:22,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:24:22,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013165689] [2024-11-09 06:24:22,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:24:22,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:24:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:24:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 17554 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17554 trivial. 0 not checked. [2024-11-09 06:24:37,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:24:37,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013165689] [2024-11-09 06:24:37,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013165689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:24:37,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:24:37,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:24:37,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814212498] [2024-11-09 06:24:37,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:24:37,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:24:37,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:24:37,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:24:37,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:24:37,538 INFO L87 Difference]: Start difference. First operand 7666 states and 11390 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-09 06:24:39,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:24:41,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:24:41,135 INFO L93 Difference]: Finished difference Result 7766 states and 11440 transitions. [2024-11-09 06:24:41,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:24:41,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 954 [2024-11-09 06:24:41,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:24:41,229 INFO L225 Difference]: With dead ends: 7766 [2024-11-09 06:24:41,229 INFO L226 Difference]: Without dead ends: 7762 [2024-11-09 06:24:41,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:24:41,237 INFO L432 NwaCegarLoop]: 1001 mSDtfsCounter, 815 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:24:41,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 1044 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2024-11-09 06:24:41,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7762 states. [2024-11-09 06:24:41,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7762 to 7760. [2024-11-09 06:24:41,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7760 states, 5591 states have (on average 1.4426757288499374) internal successors, (8066), 5640 states have internal predecessors, (8066), 1678 states have call successors, (1678), 491 states have call predecessors, (1678), 490 states have return successors, (1675), 1668 states have call predecessors, (1675), 1675 states have call successors, (1675) [2024-11-09 06:24:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7760 states to 7760 states and 11419 transitions. [2024-11-09 06:24:41,778 INFO L78 Accepts]: Start accepts. Automaton has 7760 states and 11419 transitions. Word has length 954 [2024-11-09 06:24:41,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:24:41,781 INFO L471 AbstractCegarLoop]: Abstraction has 7760 states and 11419 transitions. [2024-11-09 06:24:41,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-09 06:24:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 7760 states and 11419 transitions. [2024-11-09 06:24:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2024-11-09 06:24:41,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:24:41,796 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:24:41,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:24:41,796 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:24:41,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:24:41,797 INFO L85 PathProgramCache]: Analyzing trace with hash 468546092, now seen corresponding path program 1 times [2024-11-09 06:24:41,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:24:41,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908956342] [2024-11-09 06:24:41,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:24:41,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:24:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:24:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 17554 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17554 trivial. 0 not checked. [2024-11-09 06:24:57,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:24:57,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908956342] [2024-11-09 06:24:57,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908956342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:24:57,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:24:57,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:24:57,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051063226] [2024-11-09 06:24:57,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:24:57,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:24:57,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:24:57,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:24:57,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:24:57,035 INFO L87 Difference]: Start difference. First operand 7760 states and 11419 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-09 06:24:59,164 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 06:25:00,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:25:00,522 INFO L93 Difference]: Finished difference Result 7762 states and 11420 transitions. [2024-11-09 06:25:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:25:00,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 955 [2024-11-09 06:25:00,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:25:00,565 INFO L225 Difference]: With dead ends: 7762 [2024-11-09 06:25:00,566 INFO L226 Difference]: Without dead ends: 7759 [2024-11-09 06:25:00,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:25:00,574 INFO L432 NwaCegarLoop]: 1000 mSDtfsCounter, 861 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 861 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:25:00,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [861 Valid, 1000 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2024-11-09 06:25:00,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7759 states. [2024-11-09 06:25:01,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7759 to 7759. [2024-11-09 06:25:01,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7759 states, 5591 states have (on average 1.442496869969594) internal successors, (8065), 5639 states have internal predecessors, (8065), 1677 states have call successors, (1677), 491 states have call predecessors, (1677), 490 states have return successors, (1675), 1668 states have call predecessors, (1675), 1675 states have call successors, (1675) [2024-11-09 06:25:01,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7759 states to 7759 states and 11417 transitions. [2024-11-09 06:25:01,115 INFO L78 Accepts]: Start accepts. Automaton has 7759 states and 11417 transitions. Word has length 955 [2024-11-09 06:25:01,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:25:01,117 INFO L471 AbstractCegarLoop]: Abstraction has 7759 states and 11417 transitions. [2024-11-09 06:25:01,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-09 06:25:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 7759 states and 11417 transitions. [2024-11-09 06:25:01,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2024-11-09 06:25:01,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:25:01,132 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:25:01,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:25:01,132 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:25:01,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:25:01,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1639653393, now seen corresponding path program 1 times [2024-11-09 06:25:01,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:25:01,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711408739] [2024-11-09 06:25:01,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:01,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:25:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:25:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 17554 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17554 trivial. 0 not checked. [2024-11-09 06:25:15,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:25:15,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711408739] [2024-11-09 06:25:15,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711408739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:25:15,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:25:15,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:25:15,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930998878] [2024-11-09 06:25:15,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:25:15,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:25:15,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:25:15,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:25:15,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:25:15,627 INFO L87 Difference]: Start difference. First operand 7759 states and 11417 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-09 06:25:17,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:19,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:25:19,524 INFO L93 Difference]: Finished difference Result 7761 states and 11418 transitions. [2024-11-09 06:25:19,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:25:19,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) Word has length 956 [2024-11-09 06:25:19,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:25:19,573 INFO L225 Difference]: With dead ends: 7761 [2024-11-09 06:25:19,573 INFO L226 Difference]: Without dead ends: 7749 [2024-11-09 06:25:19,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:25:19,580 INFO L432 NwaCegarLoop]: 999 mSDtfsCounter, 858 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:25:19,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 999 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2024-11-09 06:25:19,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7749 states. [2024-11-09 06:25:20,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7749 to 7749. [2024-11-09 06:25:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7749 states, 5584 states have (on average 1.4400071633237823) internal successors, (8041), 5631 states have internal predecessors, (8041), 1675 states have call successors, (1675), 490 states have call predecessors, (1675), 489 states have return successors, (1674), 1667 states have call predecessors, (1674), 1674 states have call successors, (1674) [2024-11-09 06:25:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7749 states to 7749 states and 11390 transitions. [2024-11-09 06:25:20,176 INFO L78 Accepts]: Start accepts. Automaton has 7749 states and 11390 transitions. Word has length 956 [2024-11-09 06:25:20,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:25:20,178 INFO L471 AbstractCegarLoop]: Abstraction has 7749 states and 11390 transitions. [2024-11-09 06:25:20,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (109), 2 states have call predecessors, (109), 1 states have return successors, (108), 2 states have call predecessors, (108), 2 states have call successors, (108) [2024-11-09 06:25:20,179 INFO L276 IsEmpty]: Start isEmpty. Operand 7749 states and 11390 transitions. [2024-11-09 06:25:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2024-11-09 06:25:20,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:25:20,194 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:25:20,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:25:20,195 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:25:20,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:25:20,196 INFO L85 PathProgramCache]: Analyzing trace with hash 28272714, now seen corresponding path program 1 times [2024-11-09 06:25:20,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:25:20,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934201296] [2024-11-09 06:25:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:20,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:25:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:25:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 17514 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17514 trivial. 0 not checked. [2024-11-09 06:25:34,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:25:34,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934201296] [2024-11-09 06:25:34,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934201296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:25:34,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:25:34,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:25:34,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968304476] [2024-11-09 06:25:34,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:25:34,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:25:34,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:25:34,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:25:34,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:25:34,101 INFO L87 Difference]: Start difference. First operand 7749 states and 11390 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2024-11-09 06:25:36,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 06:25:38,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:25:38,707 INFO L93 Difference]: Finished difference Result 22663 states and 33281 transitions. [2024-11-09 06:25:38,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:25:38,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) Word has length 980 [2024-11-09 06:25:38,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:25:38,794 INFO L225 Difference]: With dead ends: 22663 [2024-11-09 06:25:38,794 INFO L226 Difference]: Without dead ends: 15124 [2024-11-09 06:25:38,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:25:38,825 INFO L432 NwaCegarLoop]: 1056 mSDtfsCounter, 1033 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:25:38,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 1732 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 188 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2024-11-09 06:25:38,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15124 states. [2024-11-09 06:25:39,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15124 to 15117. [2024-11-09 06:25:39,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15117 states, 10928 states have (on average 1.4422584187408491) internal successors, (15761), 11023 states have internal predecessors, (15761), 3211 states have call successors, (3211), 978 states have call predecessors, (3211), 977 states have return successors, (3210), 3195 states have call predecessors, (3210), 3210 states have call successors, (3210) [2024-11-09 06:25:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15117 states to 15117 states and 22182 transitions. [2024-11-09 06:25:39,936 INFO L78 Accepts]: Start accepts. Automaton has 15117 states and 22182 transitions. Word has length 980 [2024-11-09 06:25:39,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:25:39,938 INFO L471 AbstractCegarLoop]: Abstraction has 15117 states and 22182 transitions. [2024-11-09 06:25:39,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2024-11-09 06:25:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 15117 states and 22182 transitions. [2024-11-09 06:25:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 982 [2024-11-09 06:25:39,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:25:39,954 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:25:39,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:25:39,955 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:25:39,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:25:39,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1907859175, now seen corresponding path program 1 times [2024-11-09 06:25:39,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:25:39,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369855608] [2024-11-09 06:25:39,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:25:39,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:25:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:25:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 17512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17512 trivial. 0 not checked. [2024-11-09 06:25:54,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:25:54,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369855608] [2024-11-09 06:25:54,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369855608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:25:54,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:25:54,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:25:54,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457966412] [2024-11-09 06:25:54,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:25:54,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:25:54,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:25:54,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:25:54,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:25:54,038 INFO L87 Difference]: Start difference. First operand 15117 states and 22182 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-09 06:25:56,156 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 06:25:59,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:25:59,036 INFO L93 Difference]: Finished difference Result 44243 states and 64877 transitions. [2024-11-09 06:25:59,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:25:59,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 981 [2024-11-09 06:25:59,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:25:59,216 INFO L225 Difference]: With dead ends: 44243 [2024-11-09 06:25:59,217 INFO L226 Difference]: Without dead ends: 29336 [2024-11-09 06:25:59,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:25:59,282 INFO L432 NwaCegarLoop]: 1068 mSDtfsCounter, 1000 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:25:59,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 1742 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2024-11-09 06:25:59,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29336 states. [2024-11-09 06:26:00,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29336 to 29333. [2024-11-09 06:26:00,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29333 states, 21284 states have (on average 1.4435726367224206) internal successors, (30725), 21459 states have internal predecessors, (30725), 6125 states have call successors, (6125), 1924 states have call predecessors, (6125), 1923 states have return successors, (6124), 6109 states have call predecessors, (6124), 6124 states have call successors, (6124) [2024-11-09 06:26:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29333 states to 29333 states and 42974 transitions. [2024-11-09 06:26:01,131 INFO L78 Accepts]: Start accepts. Automaton has 29333 states and 42974 transitions. Word has length 981 [2024-11-09 06:26:01,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:26:01,133 INFO L471 AbstractCegarLoop]: Abstraction has 29333 states and 42974 transitions. [2024-11-09 06:26:01,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (115), 2 states have call predecessors, (115), 1 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-11-09 06:26:01,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29333 states and 42974 transitions. [2024-11-09 06:26:01,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 975 [2024-11-09 06:26:01,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:01,152 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:26:01,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:26:01,152 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:26:01,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:01,153 INFO L85 PathProgramCache]: Analyzing trace with hash -455337527, now seen corresponding path program 1 times [2024-11-09 06:26:01,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:26:01,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821975000] [2024-11-09 06:26:01,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:01,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:26:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:26:17,150 INFO L134 CoverageAnalysis]: Checked inductivity of 17514 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17514 trivial. 0 not checked. [2024-11-09 06:26:17,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:26:17,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821975000] [2024-11-09 06:26:17,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821975000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:26:17,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:26:17,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:26:17,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321244533] [2024-11-09 06:26:17,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:26:17,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:26:17,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:26:17,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:26:17,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:26:17,156 INFO L87 Difference]: Start difference. First operand 29333 states and 42974 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2024-11-09 06:26:19,251 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 06:26:23,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:26:23,085 INFO L93 Difference]: Finished difference Result 87050 states and 127447 transitions. [2024-11-09 06:26:23,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:26:23,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) Word has length 974 [2024-11-09 06:26:23,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:26:23,443 INFO L225 Difference]: With dead ends: 87050 [2024-11-09 06:26:23,443 INFO L226 Difference]: Without dead ends: 57935 [2024-11-09 06:26:23,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:26:23,567 INFO L432 NwaCegarLoop]: 1085 mSDtfsCounter, 1060 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-09 06:26:23,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 1761 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 194 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2024-11-09 06:26:23,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57935 states. [2024-11-09 06:26:28,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57935 to 57931. [2024-11-09 06:26:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57931 states, 42007 states have (on average 1.4418549289404148) internal successors, (60568), 42358 states have internal predecessors, (60568), 12080 states have call successors, (12080), 3844 states have call predecessors, (12080), 3843 states have return successors, (12079), 12048 states have call predecessors, (12079), 12079 states have call successors, (12079) [2024-11-09 06:26:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57931 states to 57931 states and 84727 transitions. [2024-11-09 06:26:29,186 INFO L78 Accepts]: Start accepts. Automaton has 57931 states and 84727 transitions. Word has length 974 [2024-11-09 06:26:29,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:26:29,188 INFO L471 AbstractCegarLoop]: Abstraction has 57931 states and 84727 transitions. [2024-11-09 06:26:29,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2024-11-09 06:26:29,188 INFO L276 IsEmpty]: Start isEmpty. Operand 57931 states and 84727 transitions. [2024-11-09 06:26:29,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 974 [2024-11-09 06:26:29,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:26:29,202 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 56, 56, 56, 56, 56, 56, 36, 36, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:26:29,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:26:29,203 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:26:29,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:26:29,204 INFO L85 PathProgramCache]: Analyzing trace with hash -735748068, now seen corresponding path program 1 times [2024-11-09 06:26:29,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:26:29,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637068421] [2024-11-09 06:26:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:26:29,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:26:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:26:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 17514 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17514 trivial. 0 not checked. [2024-11-09 06:26:44,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:26:44,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637068421] [2024-11-09 06:26:44,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637068421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:26:44,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:26:44,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:26:44,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102152822] [2024-11-09 06:26:44,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:26:44,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:26:44,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:26:44,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:26:44,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:26:44,596 INFO L87 Difference]: Start difference. First operand 57931 states and 84727 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2024-11-09 06:26:46,691 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 06:26:54,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:26:54,493 INFO L93 Difference]: Finished difference Result 172332 states and 251874 transitions. [2024-11-09 06:26:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:26:54,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) Word has length 973 [2024-11-09 06:26:54,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:26:55,333 INFO L225 Difference]: With dead ends: 172332 [2024-11-09 06:26:55,333 INFO L226 Difference]: Without dead ends: 114619 [2024-11-09 06:26:55,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:26:55,509 INFO L432 NwaCegarLoop]: 1095 mSDtfsCounter, 1061 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1061 SdHoareTripleChecker+Valid, 1771 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-09 06:26:55,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1061 Valid, 1771 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 196 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2024-11-09 06:26:55,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114619 states.