./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire --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 e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:17:31,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:17:31,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:17:31,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:17:31,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:17:31,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:17:31,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:17:31,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:17:31,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:17:31,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:17:31,280 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:17:31,281 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:17:31,281 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:17:31,283 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:17:31,283 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:17:31,284 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:17:31,284 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:17:31,285 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:17:31,285 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:17:31,286 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:17:31,286 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:17:31,287 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:17:31,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:17:31,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:17:31,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:17:31,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:17:31,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:17:31,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:17:31,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:17:31,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:17:31,292 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:17:31,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:17:31,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:17:31,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:17:31,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:31,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:17:31,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:17:31,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:17:31,304 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:17:31,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:17:31,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:17:31,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:17:31,305 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:17:31,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:17:31,306 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2023-11-23 21:17:31,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:17:31,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:17:31,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:17:31,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:17:31,690 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:17:31,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2023-11-23 21:17:34,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:17:35,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:17:35,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2023-11-23 21:17:35,650 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/data/34f383df1/e99fbfb5b23b4c039b7bafb9edea00d0/FLAGfc0d71356 [2023-11-23 21:17:35,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/data/34f383df1/e99fbfb5b23b4c039b7bafb9edea00d0 [2023-11-23 21:17:35,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:17:35,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:17:35,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:35,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:17:35,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:17:35,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:35" (1/1) ... [2023-11-23 21:17:35,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b3d8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:35, skipping insertion in model container [2023-11-23 21:17:35,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:35" (1/1) ... [2023-11-23 21:17:35,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:17:37,665 WARN L240 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_7d1a07b8-5c14-473d-a238-48230baf1441/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2023-11-23 21:17:37,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:37,926 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:17:38,251 WARN L240 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_7d1a07b8-5c14-473d-a238-48230baf1441/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2023-11-23 21:17:38,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:38,669 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:17:38,677 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:17:38,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38 WrapperNode [2023-11-23 21:17:38,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:38,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:38,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:17:38,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:17:38,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (1/1) ... [2023-11-23 21:17:38,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (1/1) ... [2023-11-23 21:17:39,204 INFO L138 Inliner]: procedures = 176, calls = 3917, calls flagged for inlining = 73, calls inlined = 65, statements flattened = 10126 [2023-11-23 21:17:39,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:39,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:17:39,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:17:39,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:17:39,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (1/1) ... [2023-11-23 21:17:39,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (1/1) ... [2023-11-23 21:17:39,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (1/1) ... [2023-11-23 21:17:39,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (1/1) ... [2023-11-23 21:17:39,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (1/1) ... [2023-11-23 21:17:39,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (1/1) ... [2023-11-23 21:17:39,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (1/1) ... [2023-11-23 21:17:39,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (1/1) ... [2023-11-23 21:17:39,757 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:17:39,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:17:39,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:17:39,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:17:39,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (1/1) ... [2023-11-23 21:17:39,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:39,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:39,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:17:39,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1a07b8-5c14-473d-a238-48230baf1441/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:17:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2023-11-23 21:17:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2023-11-23 21:17:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2023-11-23 21:17:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2023-11-23 21:17:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_update_device [2023-11-23 21:17:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_update_device [2023-11-23 21:17:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2023-11-23 21:17:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2023-11-23 21:17:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-11-23 21:17:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-11-23 21:17:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:17:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2023-11-23 21:17:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2023-11-23 21:17:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-23 21:17:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-23 21:17:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-11-23 21:17:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-11-23 21:17:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure store_tolerance [2023-11-23 21:17:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure store_tolerance [2023-11-23 21:17:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2023-11-23 21:17:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2023-11-23 21:17:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwmenable [2023-11-23 21:17:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwmenable [2023-11-23 21:17:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:17:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:17:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2023-11-23 21:17:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2023-11-23 21:17:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2023-11-23 21:17:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2023-11-23 21:17:39,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2023-11-23 21:17:39,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2023-11-23 21:17:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp1 [2023-11-23 21:17:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp1 [2023-11-23 21:17:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2023-11-23 21:17:39,893 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2023-11-23 21:17:39,893 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2023-11-23 21:17:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2023-11-23 21:17:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure show_tolerance [2023-11-23 21:17:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure show_tolerance [2023-11-23 21:17:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_mode [2023-11-23 21:17:39,894 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_mode [2023-11-23 21:17:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:17:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:17:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:17:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:17:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:17:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:17:39,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:17:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure in_count_from_reg [2023-11-23 21:17:39,896 INFO L138 BoogieDeclarations]: Found implementation of procedure in_count_from_reg [2023-11-23 21:17:39,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:17:39,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:17:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:17:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:17:39,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:17:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2023-11-23 21:17:39,897 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2023-11-23 21:17:39,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:17:39,898 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_level [2023-11-23 21:17:39,898 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_level [2023-11-23 21:17:39,899 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp1 [2023-11-23 21:17:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp1 [2023-11-23 21:17:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp23 [2023-11-23 21:17:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp23 [2023-11-23 21:17:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2023-11-23 21:17:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2023-11-23 21:17:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:17:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2023-11-23 21:17:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2023-11-23 21:17:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:17:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:17:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_point [2023-11-23 21:17:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_point [2023-11-23 21:17:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_write_value [2023-11-23 21:17:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_write_value [2023-11-23 21:17:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2023-11-23 21:17:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2023-11-23 21:17:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure show_thermal_cruise [2023-11-23 21:17:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure show_thermal_cruise [2023-11-23 21:17:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp23 [2023-11-23 21:17:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp23 [2023-11-23 21:17:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2023-11-23 21:17:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2023-11-23 21:17:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2023-11-23 21:17:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2023-11-23 21:17:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:17:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_detect [2023-11-23 21:17:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_detect [2023-11-23 21:17:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_mode [2023-11-23 21:17:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_mode [2023-11-23 21:17:39,907 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2023-11-23 21:17:39,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2023-11-23 21:17:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:17:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-11-23 21:17:39,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-11-23 21:17:39,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:17:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwmenable [2023-11-23 21:17:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwmenable [2023-11-23 21:17:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_read_value [2023-11-23 21:17:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_read_value [2023-11-23 21:17:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2023-11-23 21:17:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2023-11-23 21:17:39,914 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:17:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:17:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2023-11-23 21:17:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2023-11-23 21:17:39,915 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_level [2023-11-23 21:17:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_level [2023-11-23 21:17:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2023-11-23 21:17:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2023-11-23 21:17:39,916 INFO L130 BoogieDeclarations]: Found specification of procedure store_thermal_cruise [2023-11-23 21:17:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure store_thermal_cruise [2023-11-23 21:17:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:17:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_point [2023-11-23 21:17:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_point [2023-11-23 21:17:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:17:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:17:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:17:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:17:41,025 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:17:41,030 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:17:53,688 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:17:57,649 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:17:57,650 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:17:57,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:57 BoogieIcfgContainer [2023-11-23 21:17:57,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:17:57,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:17:57,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:17:57,659 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:17:57,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:17:35" (1/3) ... [2023-11-23 21:17:57,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682045dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:57, skipping insertion in model container [2023-11-23 21:17:57,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:38" (2/3) ... [2023-11-23 21:17:57,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682045dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:57, skipping insertion in model container [2023-11-23 21:17:57,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:57" (3/3) ... [2023-11-23 21:17:57,663 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2023-11-23 21:17:57,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:17:57,684 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:17:57,786 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:17:57,795 INFO L357 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, mHoare=true, 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;@7a5b19ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:17:57,795 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:17:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 1746 states, 1241 states have (on average 1.5785656728444803) internal successors, (1959), 1248 states have internal predecessors, (1959), 450 states have call successors, (450), 53 states have call predecessors, (450), 53 states have return successors, (450), 450 states have call predecessors, (450), 450 states have call successors, (450) [2023-11-23 21:17:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 21:17:57,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:57,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:57,832 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:57,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:57,842 INFO L85 PathProgramCache]: Analyzing trace with hash -809281866, now seen corresponding path program 1 times [2023-11-23 21:17:57,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:57,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133911932] [2023-11-23 21:17:57,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:57,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:59,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:59,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:59,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133911932] [2023-11-23 21:17:59,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133911932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:59,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:59,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:59,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835989909] [2023-11-23 21:17:59,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:59,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:59,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:59,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:59,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:59,590 INFO L87 Difference]: Start difference. First operand has 1746 states, 1241 states have (on average 1.5785656728444803) internal successors, (1959), 1248 states have internal predecessors, (1959), 450 states have call successors, (450), 53 states have call predecessors, (450), 53 states have return successors, (450), 450 states have call predecessors, (450), 450 states have call successors, (450) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:18:02,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:02,048 INFO L93 Difference]: Finished difference Result 5225 states and 9025 transitions. [2023-11-23 21:18:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:18:02,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-11-23 21:18:02,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:02,108 INFO L225 Difference]: With dead ends: 5225 [2023-11-23 21:18:02,108 INFO L226 Difference]: Without dead ends: 3476 [2023-11-23 21:18:02,142 INFO L412 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 [2023-11-23 21:18:02,146 INFO L413 NwaCegarLoop]: 2608 mSDtfsCounter, 2831 mSDsluCounter, 2601 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2831 SdHoareTripleChecker+Valid, 5209 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:02,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2831 Valid, 5209 Invalid, 494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 21:18:02,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3476 states. [2023-11-23 21:18:02,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3476 to 3463. [2023-11-23 21:18:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3463 states, 2466 states have (on average 1.5770478507704786) internal successors, (3889), 2471 states have internal predecessors, (3889), 892 states have call successors, (892), 105 states have call predecessors, (892), 104 states have return successors, (886), 886 states have call predecessors, (886), 886 states have call successors, (886) [2023-11-23 21:18:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 5667 transitions. [2023-11-23 21:18:02,578 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 5667 transitions. Word has length 26 [2023-11-23 21:18:02,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:02,580 INFO L495 AbstractCegarLoop]: Abstraction has 3463 states and 5667 transitions. [2023-11-23 21:18:02,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:18:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 5667 transitions. [2023-11-23 21:18:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 21:18:02,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:02,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:02,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:18:02,589 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:02,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:02,590 INFO L85 PathProgramCache]: Analyzing trace with hash 433925922, now seen corresponding path program 1 times [2023-11-23 21:18:02,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:02,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2904477] [2023-11-23 21:18:02,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:02,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:03,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:18:03,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:03,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2904477] [2023-11-23 21:18:03,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2904477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:03,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:03,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:03,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59914401] [2023-11-23 21:18:03,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:03,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:03,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:03,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:03,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:03,788 INFO L87 Difference]: Start difference. First operand 3463 states and 5667 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:18:06,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:06,062 INFO L93 Difference]: Finished difference Result 10370 states and 16969 transitions. [2023-11-23 21:18:06,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:18:06,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2023-11-23 21:18:06,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:06,129 INFO L225 Difference]: With dead ends: 10370 [2023-11-23 21:18:06,129 INFO L226 Difference]: Without dead ends: 6908 [2023-11-23 21:18:06,151 INFO L412 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 [2023-11-23 21:18:06,153 INFO L413 NwaCegarLoop]: 2663 mSDtfsCounter, 2828 mSDsluCounter, 2600 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2828 SdHoareTripleChecker+Valid, 5263 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:06,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2828 Valid, 5263 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-23 21:18:06,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6908 states. [2023-11-23 21:18:06,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6908 to 6895. [2023-11-23 21:18:06,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6895 states, 4912 states have (on average 1.5765472312703583) internal successors, (7744), 4917 states have internal predecessors, (7744), 1774 states have call successors, (1774), 209 states have call predecessors, (1774), 208 states have return successors, (1768), 1768 states have call predecessors, (1768), 1768 states have call successors, (1768) [2023-11-23 21:18:06,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6895 states to 6895 states and 11286 transitions. [2023-11-23 21:18:06,561 INFO L78 Accepts]: Start accepts. Automaton has 6895 states and 11286 transitions. Word has length 27 [2023-11-23 21:18:06,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:06,562 INFO L495 AbstractCegarLoop]: Abstraction has 6895 states and 11286 transitions. [2023-11-23 21:18:06,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:18:06,562 INFO L276 IsEmpty]: Start isEmpty. Operand 6895 states and 11286 transitions. [2023-11-23 21:18:06,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 21:18:06,565 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:06,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:06,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:18:06,566 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:06,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:06,566 INFO L85 PathProgramCache]: Analyzing trace with hash -415297207, now seen corresponding path program 1 times [2023-11-23 21:18:06,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:06,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047092762] [2023-11-23 21:18:06,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:06,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:18:07,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:07,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047092762] [2023-11-23 21:18:07,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047092762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:07,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:07,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:07,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206785524] [2023-11-23 21:18:07,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:07,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:07,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:07,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:07,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:07,619 INFO L87 Difference]: Start difference. First operand 6895 states and 11286 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:18:09,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:09,992 INFO L93 Difference]: Finished difference Result 20650 states and 33798 transitions. [2023-11-23 21:18:09,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:18:09,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2023-11-23 21:18:09,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:10,145 INFO L225 Difference]: With dead ends: 20650 [2023-11-23 21:18:10,145 INFO L226 Difference]: Without dead ends: 13756 [2023-11-23 21:18:10,198 INFO L412 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 [2023-11-23 21:18:10,199 INFO L413 NwaCegarLoop]: 2677 mSDtfsCounter, 2822 mSDsluCounter, 2600 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 5277 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:10,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2822 Valid, 5277 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-23 21:18:10,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13756 states. [2023-11-23 21:18:11,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13756 to 13743. [2023-11-23 21:18:11,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13743 states, 9792 states have (on average 1.5759803921568627) internal successors, (15432), 9797 states have internal predecessors, (15432), 3534 states have call successors, (3534), 417 states have call predecessors, (3534), 416 states have return successors, (3528), 3528 states have call predecessors, (3528), 3528 states have call successors, (3528) [2023-11-23 21:18:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13743 states to 13743 states and 22494 transitions. [2023-11-23 21:18:11,214 INFO L78 Accepts]: Start accepts. Automaton has 13743 states and 22494 transitions. Word has length 33 [2023-11-23 21:18:11,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:11,215 INFO L495 AbstractCegarLoop]: Abstraction has 13743 states and 22494 transitions. [2023-11-23 21:18:11,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:18:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 13743 states and 22494 transitions. [2023-11-23 21:18:11,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 21:18:11,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:11,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:11,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:18:11,223 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:11,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:11,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1606404595, now seen corresponding path program 1 times [2023-11-23 21:18:11,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:11,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336990025] [2023-11-23 21:18:11,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:11,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:12,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:18:12,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:12,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336990025] [2023-11-23 21:18:12,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336990025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:12,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:12,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:12,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061451156] [2023-11-23 21:18:12,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:12,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:12,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:12,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:12,084 INFO L87 Difference]: Start difference. First operand 13743 states and 22494 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:18:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:15,388 INFO L93 Difference]: Finished difference Result 41194 states and 67422 transitions. [2023-11-23 21:18:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:18:15,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2023-11-23 21:18:15,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:15,566 INFO L225 Difference]: With dead ends: 41194 [2023-11-23 21:18:15,566 INFO L226 Difference]: Without dead ends: 27452 [2023-11-23 21:18:15,650 INFO L412 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 [2023-11-23 21:18:15,658 INFO L413 NwaCegarLoop]: 2691 mSDtfsCounter, 2833 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2833 SdHoareTripleChecker+Valid, 5294 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:15,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2833 Valid, 5294 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 21:18:15,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27452 states.